US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

Graham

91.49

+4.595.28%

Post-market: 92.701.21+1.32%18:18 EDT

Volume:254.45K

Turnover:23.33M

Market Cap:1.07B

PE:88.38

High:93.99

Open:91.05

Low:89.26

Close:86.90

52wk High:125.82

52wk Low:52.57

Shares:11.74M

Float Shares:10.97M

Volume Ratio:1.55

T/O Rate:2.32%

Dividend:- -

Dividend Rate:- -

EPS(TTM):1.04

EPS(LYR):1.12

ROE:7.49%

ROA:3.21%

PB:5.59

PE(LYR):81.69

Loading ...

Overview Company News Filings

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Beneficial Ownership Change

Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Employee Stock Ownership

Form 11-K - Annual report of employee stock purchase, savings and similar plans

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Annual Report

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Correspondence

Form CORRESP - Correspondence

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://sg1.tigeractivity.com/stock/GHM/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"GHM","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"GHM\",,,,,undefined,":{"symbol":"GHM","market":"US","secType":"STK","nameCN":"Graham","latestPrice":91.49,"timestamp":1790971200000,"preClose":86.9,"halted":0,"volume":254452,"hourTrading":{"tag":"盘后","latestPrice":92.7,"preClose":91.49,"latestTime":"18:18 EDT","volume":1751,"amount":160192.47628,"timestamp":1790979487736,"change":1.21,"changeRate":0.013225,"amplitude":0.029511},"delay":0,"changeRate":0.05281933256616788,"floatShares":10966777,"shares":11737033,"eps":1.035176,"marketStatus":"Post-Mkt","change":4.59,"latestTime":"10-02 19:00:52 EDT","open":91.05,"high":93.985,"low":89.261,"amount":23327235.699240003,"amplitude":0.054361,"askPrice":92.7,"askSize":100,"bidPrice":89.71,"bidSize":22,"shortable":3,"etf":0,"ttmEps":1.035176,"tradingStatus":3,"nextMarketStatus":{"tag":"Closed","tradingStatus":0,"beginTime":1790985600000},"marketStatusCode":4,"adr":0,"adrRate":0,"listingDate":-57956400000,"exchange":"NYSE","adjPreClose":86.9,"preHourTrading":{"tag":"盘前","latestPrice":89.35,"preClose":86.9,"latestTime":"09:05 EDT","volume":897,"amount":79384.20399,"timestamp":1790946301429,"change":2.45,"changeRate":0.028193,"amplitude":0.013694},"postHourTrading":{"tag":"盘后","latestPrice":92.7,"preClose":91.49,"latestTime":"18:18 EDT","volume":1751,"amount":160192.47628,"timestamp":1790979487736,"change":1.21,"changeRate":0.013225,"amplitude":0.029511},"volumeRatio":1.550567,"impliedVol":0.6155,"impliedVolPercentile":0.7251},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"GHM\",,,,,undefined,":{"symbol":"GHM","floatShares":10966777,"roa":"3.21%","roe":"7.49%","lyrEps":1.12,"volumeRatio":1.550567,"shares":11737033,"dividePrice":0,"high":93.985,"amplitude":0.054361,"preClose":86.9,"low":89.261,"week52Low":52.57,"pbRate":"5.59","psRate":"4.11","week52High":125.82,"institutionHeld":0.881,"latestPrice":91.49,"committee":-0.639344,"eps":1.035176,"divideRate":0,"volume":254452,"delay":0,"ttmEps":1.035176,"open":91.05,"prevYearClose":64.23,"prevWeekClose":87.21,"prevMonthClose":86.31,"prevQuarterClose":86.31,"fiveDayClose":87.21,"twentyDayClose":85.96,"sixtyDayClose":108.59,"dividendPayoutRate":1.8458156617458898,"dividendFrequency":"Q","dividendGrowthYears":0,"dividendGrowthRate":-0.24999999999999997,"fiveYearAvgDividendRate":0.028036633879580147},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/GHM\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-08-06","symbol":"GHM","fiscalQuarterEnding":"2026/06","expectedEps":0.4,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1785988800000,"reportTimeType":"pre","actualEps":0.49},{"market":"US","date":"2026-06-08","symbol":"GHM","fiscalQuarterEnding":"2026/03","expectedEps":0.3,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1780891200000,"reportTimeType":"pre","actualEps":0.33},{"market":"US","date":"2026-02-06","symbol":"GHM","fiscalQuarterEnding":"2025/12","expectedEps":0.25,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1770354000000,"reportTimeType":"pre","actualEps":0.18},{"market":"US","date":"2025-11-07","symbol":"GHM","fiscalQuarterEnding":"2025/09","expectedEps":0.33,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1762491600000,"reportTimeType":"pre","actualEps":0.31},{"market":"US","date":"2025-08-05","symbol":"GHM","fiscalQuarterEnding":"2025/06","expectedEps":0.25,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1754366400000,"reportTimeType":"pre","actualEps":0.45}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"GHM\",market:\"US\",,,undefined,":[{"executeDate":"2016-11-09","recordDate":"2016-11-14","paymentDate":"2016-11-28","value":0.09,"currency":"USD"},{"executeDate":"2017-02-10","recordDate":"2017-02-14","paymentDate":"2017-02-28","value":0.09,"currency":"USD"},{"executeDate":"2017-06-08","recordDate":"2017-06-12","paymentDate":"2017-06-29","value":0.09,"currency":"USD"},{"executeDate":"2017-08-11","recordDate":"2017-08-15","paymentDate":"2017-08-31","value":0.09,"currency":"USD"},{"executeDate":"2017-11-06","recordDate":"2017-11-07","paymentDate":"2017-11-21","value":0.09,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"GHM\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.1667,"buy":0.6667,"hold":0.1667,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.6667,"analysts":6,"updateTime":1773892800000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/GHM\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"GHM","date":"2026-10-01","current":88.381106,"percent":0.833059,"low":-266.965049,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"high":409.556084,"avg":31.940583,"sd":104.156474,"marketCap":1013023318},"quantilePoints":[{"date":"2021-10-08","current":130.383061,"twenty":-50.332913,"median":17.70222,"eighty":58.938478,"marketCap":138988343},{"date":"2021-10-15","current":130.483356,"twenty":-50.332913,"median":17.842343,"eighty":59.150068,"marketCap":139095257},{"date":"2021-10-22","current":130.383061,"twenty":-50.332913,"median":17.951328,"eighty":59.26855,"marketCap":138988343},{"date":"2021-10-29","current":-62.308526,"twenty":-52.8778,"median":18.10702,"eighty":59.374781,"marketCap":135209501},{"date":"2021-11-05","current":-67.308895,"twenty":-55.06434,"median":18.10702,"eighty":59.374781,"marketCap":146060302},{"date":"2021-11-12","current":-64.514571,"twenty":-55.756744,"median":18.10702,"eighty":59.374781,"marketCap":139996619},{"date":"2021-11-19","current":-63.877269,"twenty":-56.327673,"median":18.10702,"eighty":59.374781,"marketCap":138613674},{"date":"2021-11-26","current":-63.239967,"twenty":-62.282213,"median":18.044743,"eighty":59.374781,"marketCap":137230728},{"date":"2021-12-03","current":-60.004434,"twenty":-62.308526,"median":17.912405,"eighty":59.374781,"marketCap":130209621},{"date":"2021-12-10","current":-62.406572,"twenty":-62.44579,"median":17.886596,"eighty":59.374781,"marketCap":135422261},{"date":"2021-12-17","current":-59.906388,"twenty":-62.44579,"median":17.886596,"eighty":59.374781,"marketCap":129996861},{"date":"2021-12-23","current":-62.259502,"twenty":-62.44579,"median":17.772281,"eighty":59.374781,"marketCap":135103120},{"date":"2021-12-31","current":-60.984899,"twenty":-62.44579,"median":17.764497,"eighty":59.374781,"marketCap":132337230},{"date":"2022-01-07","current":-62.798758,"twenty":-62.96856,"median":17.309097,"eighty":59.365934,"marketCap":136273305},{"date":"2022-01-14","current":-67.210849,"twenty":-63.181139,"median":17.180651,"eighty":59.357087,"marketCap":145847542},{"date":"2022-01-21","current":-60.004434,"twenty":-63.279185,"median":-22.241078,"eighty":59.357087,"marketCap":130209621},{"date":"2022-01-28","current":-58.337644,"twenty":-63.259576,"median":-22.763814,"eighty":59.34824,"marketCap":126592687},{"date":"2022-02-04","current":-58.558248,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":127071399},{"date":"2022-02-11","current":-14.061778,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":97869977},{"date":"2022-02-18","current":-12.747308,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":88721261},{"date":"2022-02-25","current":-12.441617,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":86593653},{"date":"2022-03-04","current":-12.456901,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":86700034},{"date":"2022-03-11","current":-11.692674,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":81381013},{"date":"2022-03-18","current":-11.952511,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":83189480},{"date":"2022-03-25","current":-12.395763,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":86274512},{"date":"2022-04-01","current":-11.279992,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":78508742},{"date":"2022-04-08","current":-11.432837,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":79572546},{"date":"2022-04-14","current":-11.310561,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":78721503},{"date":"2022-04-22","current":-11.876089,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":82657578},{"date":"2022-04-29","current":-11.142431,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":77551318},{"date":"2022-05-06","current":-11.506203,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":80083172},{"date":"2022-05-13","current":-11.249423,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":78295981},{"date":"2022-05-20","current":-11.876089,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":82657578},{"date":"2022-05-27","current":-11.188284,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":77870460},{"date":"2022-06-03","current":-11.295276,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":78615122},{"date":"2022-06-10","current":-11.166998,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":97968070},{"date":"2022-06-17","current":-8.6653,"twenty":-63.259576,"median":-22.912382,"eighty":59.34824,"marketCap":76020677},{"date":"2022-06-24","current":-8.459847,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":74218235},{"date":"2022-07-01","current":-8.979523,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":78777355},{"date":"2022-07-08","current":-8.520274,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":74748365},{"date":"2022-07-15","current":-8.193966,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":71885661},{"date":"2022-07-22","current":-8.677386,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":76126703},{"date":"2022-07-29","current":-15.249306,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":75804300},{"date":"2022-08-05","current":-16.602802,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":82532528},{"date":"2022-08-12","current":-19.060102,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":94747767},{"date":"2022-08-19","current":-19.786608,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":98359229},{"date":"2022-08-26","current":-20.406275,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":101439593},{"date":"2022-09-02","current":-18.632745,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":92623377},{"date":"2022-09-09","current":-21.282356,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":105794592},{"date":"2022-09-16","current":-19.76524,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":98253009},{"date":"2022-09-23","current":-18.846424,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":93685572},{"date":"2022-09-30","current":-18.78232,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":93366914},{"date":"2022-10-07","current":-16.731009,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":83169845},{"date":"2022-10-14","current":-16.880584,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":83913381},{"date":"2022-10-21","current":-17.158365,"twenty":-63.279185,"median":-22.923387,"eighty":59.357087,"marketCap":85294234},{"date":"2022-10-28","current":-19.444723,"twenty":-63.279185,"median":-22.923387,"eighty":59.264984,"marketCap":96659717},{"date":"2022-11-04","current":-18.267783,"twenty":-63.279185,"median":-22.923387,"eighty":59.229288,"marketCap":90809149},{"date":"2022-11-11","current":-22.629364,"twenty":-63.279185,"median":-22.924431,"eighty":59.229288,"marketCap":105792278},{"date":"2022-11-18","current":-23.037919,"twenty":-63.279185,"median":-22.934392,"eighty":59.229288,"marketCap":107702269},{"date":"2022-11-25","current":-23.491868,"twenty":-63.279185,"median":-23.110472,"eighty":59.127767,"marketCap":109824481},{"date":"2022-12-02","current":-22.13002,"twenty":-63.279185,"median":-23.110472,"eighty":58.623335,"marketCap":103457844},{"date":"2022-12-09","current":-21.812256,"twenty":-63.279185,"median":-23.110472,"eighty":57.896846,"marketCap":101972296},{"date":"2022-12-16","current":-23.151406,"twenty":-63.279185,"median":-23.151406,"eighty":57.226256,"marketCap":108232822},{"date":"2022-12-23","current":-22.061928,"twenty":-63.279185,"median":-23.151406,"eighty":56.594654,"marketCap":103139512},{"date":"2022-12-30","current":-21.834953,"twenty":-63.279185,"median":-23.151406,"eighty":56.142396,"marketCap":102078406},{"date":"2023-01-06","current":-21.199424,"twenty":-63.279185,"median":-23.151406,"eighty":56.142396,"marketCap":99107309},{"date":"2023-01-13","current":-22.470482,"twenty":-63.279185,"median":-23.151406,"eighty":56.142396,"marketCap":105049503},{"date":"2023-01-20","current":-22.334297,"twenty":-63.279185,"median":-23.151406,"eighty":56.142396,"marketCap":104412840},{"date":"2023-01-27","current":-21.857651,"twenty":-63.279185,"median":-23.151406,"eighty":56.142396,"marketCap":102184517},{"date":"2023-02-03","current":-24.672135,"twenty":-63.279185,"median":-23.151406,"eighty":56.142396,"marketCap":115342233},{"date":"2023-02-10","current":-233.225681,"twenty":-63.534106,"median":-23.196801,"eighty":56.142396,"marketCap":134571218},{"date":"2023-02-17","current":-248.159499,"twenty":-63.810458,"median":-23.418611,"eighty":56.142396,"marketCap":143188031},{"date":"2023-02-24","current":-265.858841,"twenty":-64.014534,"median":-23.491868,"eighty":56.142396,"marketCap":153400551},{"date":"2023-03-03","current":-266.965049,"twenty":-64.744947,"median":-23.638711,"eighty":56.142396,"marketCap":154038833},{"date":"2023-03-10","current":-266.596312,"twenty":-65.246368,"median":-23.693736,"eighty":56.142396,"marketCap":153826072},{"date":"2023-03-17","current":-255.349856,"twenty":-65.706012,"median":-23.748761,"eighty":56.142396,"marketCap":147336867},{"date":"2023-03-24","current":-239.494198,"twenty":-66.248316,"median":-23.759766,"eighty":56.142396,"marketCap":138188152},{"date":"2023-03-31","current":-241.153511,"twenty":-66.697119,"median":-23.99087,"eighty":56.103408,"marketCap":139145576},{"date":"2023-04-06","current":-249.265709,"twenty":-67.230458,"median":-24.161448,"eighty":56.103408,"marketCap":143826314},{"date":"2023-04-14","current":-253.137438,"twenty":-67.625892,"median":-24.672135,"eighty":56.142396,"marketCap":146060302},{"date":"2023-04-21","current":-245.578347,"twenty":-68.292863,"median":-24.92559,"eighty":56.142396,"marketCap":141698706},{"date":"2023-04-28","current":-238.572357,"twenty":-69.097869,"median":-25.377499,"eighty":56.142396,"marketCap":137656250},{"date":"2023-05-05","current":-225.666588,"twenty":-69.732772,"median":-25.650229,"eighty":56.142396,"marketCap":130209621},{"date":"2023-05-12","current":-218.476231,"twenty":-70.144175,"median":-25.625412,"eighty":56.181383,"marketCap":126060785},{"date":"2023-05-18","current":-201.883099,"twenty":-70.455796,"median":-25.625412,"eighty":56.181383,"marketCap":116486548},{"date":"2023-05-26","current":-208.520352,"twenty":-71.014602,"median":-25.600596,"eighty":56.220371,"marketCap":120316243},{"date":"2023-06-02","current":-203.542412,"twenty":-71.210083,"median":-25.650229,"eighty":56.220371,"marketCap":117443972},{"date":"2023-06-09","current":376.716621,"twenty":-71.719484,"median":-25.651391,"eighty":56.477691,"marketCap":138255000},{"date":"2023-06-15","current":386.908016,"twenty":-71.808487,"median":-25.655774,"eighty":56.766201,"marketCap":141995242},{"date":"2023-06-23","current":376.144409,"twenty":-71.847556,"median":-24.762925,"eighty":57.288636,"marketCap":138044998},{"date":"2023-06-30","current":387.489831,"twenty":-71.867091,"median":-23.491868,"eighty":57.935833,"marketCap":142208768},{"date":"2023-07-07","current":372.65351,"twenty":-71.886625,"median":-23.140057,"eighty":58.938478,"marketCap":136763838},{"date":"2023-07-14","current":378.141272,"twenty":-71.886625,"median":-22.788246,"eighty":59.161218,"marketCap":138777847},{"date":"2023-07-21","current":384.249706,"twenty":-71.886625,"median":-22.470482,"eighty":59.473002,"marketCap":141019642},{"date":"2023-07-28","current":408.101695,"twenty":-71.90616,"median":-22.379692,"eighty":59.651296,"marketCap":149773322},{"date":"2023-08-04","current":408.68345,"twenty":-71.90616,"median":-22.334297,"eighty":59.828449,"marketCap":149986826},{"date":"2023-08-11","current":77.413656,"twenty":-71.90616,"median":-22.13002,"eighty":60.2751,"marketCap":180451231},{"date":"2023-08-18","current":74.245481,"twenty":-71.90616,"median":-22.084625,"eighty":60.406717,"marketCap":173066216},{"date":"2023-08-25","current":75.255623,"twenty":-71.90616,"median":-22.016533,"eighty":60.718092,"marketCap":175420858},{"date":"2023-09-01","current":73.464916,"twenty":-71.90616,"median":-21.744163,"eighty":60.940503,"marketCap":171246720},{"date":"2023-09-08","current":75.898441,"twenty":-71.90616,"median":-21.562584,"eighty":61.073949,"marketCap":176919267},{"date":"2023-09-15","current":71.398716,"twenty":-71.90616,"median":-21.199424,"eighty":61.444733,"marketCap":166430406},{"date":"2023-09-19","current":71.3528,"twenty":-71.90616,"median":-21.143406,"eighty":61.483184,"marketCap":166323376},{"date":"2023-09-29","current":76.862668,"twenty":-71.917792,"median":-20.904357,"eighty":61.538304,"marketCap":179166880},{"date":"2023-10-03","current":74.107734,"twenty":-71.917792,"median":-20.619953,"eighty":61.74118,"marketCap":172745128},{"date":"2023-10-13","current":78.377882,"twenty":-72.022463,"median":-20.278068,"eighty":62.523982,"marketCap":182698844},{"date":"2023-10-19","current":75.255623,"twenty":-72.138747,"median":-20.06439,"eighty":62.979469,"marketCap":175420858},{"date":"2023-10-27","current":70.20491,"twenty":-72.388082,"median":-19.807976,"eighty":63.03599,"marketCap":163647646},{"date":"2023-11-03","current":77.184078,"twenty":-72.521133,"median":-19.434039,"eighty":63.217987,"marketCap":179916085},{"date":"2023-11-10","current":61.382239,"twenty":-72.521133,"median":-19.08147,"eighty":63.217987,"marketCap":180341017},{"date":"2023-11-17","current":64.187243,"twenty":-72.521133,"median":-18.963946,"eighty":63.568855,"marketCap":188582120},{"date":"2023-11-24","current":70.780825,"twenty":-72.521133,"median":-18.846424,"eighty":63.73398,"marketCap":207954063},{"date":"2023-12-01","current":67.502248,"twenty":-72.521133,"median":-18.654113,"eighty":64.158772,"marketCap":198321605},{"date":"2023-12-08","current":63.968671,"twenty":-72.454607,"median":-18.267783,"eighty":64.241472,"marketCap":187939956},{"date":"2023-12-12","current":65.535102,"twenty":-72.521133,"median":-18.194705,"eighty":64.251853,"marketCap":192542130},{"date":"2023-12-29","current":70.890111,"twenty":-72.656338,"median":-17.158365,"eighty":64.808903,"marketCap":208275145},{"date":"2024-01-05","current":70.088681,"twenty":-72.668883,"median":-16.773744,"eighty":65.2512,"marketCap":205920544},{"date":"2024-01-12","current":69.105108,"twenty":-72.668883,"median":-16.560066,"eighty":65.630036,"marketCap":203030807},{"date":"2024-01-19","current":70.307253,"twenty":-72.681429,"median":-16.260917,"eighty":65.811718,"marketCap":206562708},{"date":"2024-01-26","current":72.128684,"twenty":-72.668883,"median":-14.153486,"eighty":66.033722,"marketCap":211914073},{"date":"2024-02-02","current":70.161538,"twenty":-72.668883,"median":-14.077063,"eighty":66.236084,"marketCap":206134599},{"date":"2024-02-09","current":90.823335,"twenty":-72.668883,"median":-14.077063,"eighty":66.948126,"marketCap":248401821},{"date":"2024-02-16","current":95.811888,"twenty":-72.668883,"median":-14.077063,"eighty":67.733307,"marketCap":262045513},{"date":"2024-02-23","current":90.189868,"twenty":-72.668883,"median":-14.077063,"eighty":67.997678,"marketCap":246669289},{"date":"2024-03-01","current":93.792712,"twenty":-72.656338,"median":-14.061778,"eighty":68.347584,"marketCap":256523066},{"date":"2024-03-08","current":96.920455,"twenty":-72.656338,"median":-14.061778,"eighty":69.075965,"marketCap":265077444},{"date":"2024-03-15","current":96.999638,"twenty":-72.656338,"median":-14.061778,"eighty":70.132395,"marketCap":265294011},{"date":"2024-03-22","current":100.285748,"twenty":-72.656338,"median":-14.061778,"eighty":70.737111,"marketCap":274281522},{"date":"2024-03-28","current":106.580827,"twenty":-72.656338,"median":-14.061778,"eighty":70.977539,"marketCap":291498562},{"date":"2024-04-05","current":121.269344,"twenty":-72.668883,"median":-14.077063,"eighty":71.581098,"marketCap":331671656},{"date":"2024-04-12","current":118.735476,"twenty":-72.668883,"median":-14.077063,"eighty":72.226232,"marketCap":324741526},{"date":"2024-04-19","current":110.777546,"twenty":-72.668883,"median":-14.077063,"eighty":72.888551,"marketCap":302976589},{"date":"2024-04-26","current":110.223263,"twenty":-72.656338,"median":-14.061778,"eighty":73.575113,"marketCap":301460623},{"date":"2024-05-03","current":109.787754,"twenty":-72.656338,"median":-14.061778,"eighty":74.107734,"marketCap":300269507},{"date":"2024-05-10","current":117.626909,"twenty":-72.656338,"median":-14.061778,"eighty":74.364862,"marketCap":321709595},{"date":"2024-05-17","current":113.944882,"twenty":-72.656338,"median":-14.061778,"eighty":74.612806,"marketCap":311639251},{"date":"2024-05-24","current":112.479989,"twenty":-72.656338,"median":-14.061778,"eighty":75.255623,"marketCap":307632770},{"date":"2024-05-31","current":107.095519,"twenty":-72.606284,"median":-13.954786,"eighty":76.486161,"marketCap":292906245},{"date":"2024-06-07","current":65.972584,"twenty":-71.867091,"median":-12.747308,"eighty":77.128979,"marketCap":300571094},{"date":"2024-06-14","current":69.00279,"twenty":-71.135282,"median":-12.456901,"eighty":77.128979,"marketCap":314376710},{"date":"2024-06-21","current":67.785936,"twenty":-70.731901,"median":-12.326983,"eighty":77.156529,"marketCap":308832723},{"date":"2024-06-28","current":67.189439,"twenty":-70.265162,"median":-12.212349,"eighty":77.156529,"marketCap":306115082},{"date":"2024-07-05","current":66.95084,"twenty":-69.882709,"median":-12.01365,"eighty":77.156529,"marketCap":305028025},{"date":"2024-07-12","current":71.293339,"twenty":-69.402309,"median":-11.9143,"eighty":77.156529,"marketCap":324812452},{"date":"2024-07-19","current":72.343174,"twenty":-68.623232,"median":-11.868447,"eighty":77.156529,"marketCap":329595500},{"date":"2024-07-26","current":78.642184,"twenty":-67.956261,"median":-11.746171,"eighty":77.411731,"marketCap":358293789},{"date":"2024-08-02","current":72.629493,"twenty":-67.532391,"median":-11.600967,"eighty":77.560586,"marketCap":330899968},{"date":"2024-08-09","current":63.580972,"twenty":-66.99632,"median":-11.417552,"eighty":77.560586,"marketCap":310402306},{"date":"2024-08-16","current":65.432628,"twenty":-66.372983,"median":-11.371699,"eighty":77.560586,"marketCap":319442092},{"date":"2024-08-23","current":69.381341,"twenty":-65.920119,"median":-11.310561,"eighty":77.560586,"marketCap":338719709},{"date":"2024-08-30","current":71.032216,"twenty":-65.462911,"median":-11.279992,"eighty":77.560586,"marketCap":346779278},{"date":"2024-09-06","current":61.506225,"twenty":-64.92684,"median":-11.249423,"eighty":77.560586,"marketCap":300273389},{"date":"2024-09-13","current":65.878811,"twenty":-64.485157,"median":-11.162356,"eighty":77.560586,"marketCap":321620354},{"date":"2024-09-20","current":67.685849,"twenty":-63.867464,"median":-11.127146,"eighty":77.560586,"marketCap":330442315},{"date":"2024-09-27","current":65.834193,"twenty":-63.599993,"median":-10.671492,"eighty":77.560586,"marketCap":321402528},{"date":"2024-10-04","current":66.191138,"twenty":-63.377232,"median":-8.671343,"eighty":77.560586,"marketCap":323145138},{"date":"2024-10-11","current":68.979778,"twenty":-62.877196,"median":-8.520274,"eighty":77.560586,"marketCap":336759274},{"date":"2024-10-18","current":69.849833,"twenty":-62.44579,"median":-8.42359,"eighty":77.560586,"marketCap":341006884},{"date":"2024-10-25","current":66.704248,"twenty":-62.308478,"median":-8.351077,"eighty":77.560586,"marketCap":325650139},{"date":"2024-11-01","current":62.978626,"twenty":-62.096191,"median":-8.200008,"eighty":77.560586,"marketCap":307461653},{"date":"2024-11-08","current":54.885125,"twenty":-61.239819,"median":-8.00664,"eighty":77.560586,"marketCap":425469486},{"date":"2024-11-15","current":56.542776,"twenty":-60.484861,"median":53.842117,"eighty":77.560586,"marketCap":438319602},{"date":"2024-11-22","current":62.72385,"twenty":-59.729904,"median":54.134525,"eighty":77.560586,"marketCap":486235285},{"date":"2024-11-29","current":62.962664,"twenty":-59.357327,"median":54.543897,"eighty":77.560586,"marketCap":488086572},{"date":"2024-12-06","current":60.78524,"twenty":-59.014164,"median":54.889956,"eighty":77.560586,"marketCap":471207184},{"date":"2024-12-13","current":62.119791,"twenty":-58.514127,"median":55.148208,"eighty":77.560586,"marketCap":481552616},{"date":"2024-12-20","current":57.259219,"twenty":-56.054356,"median":55.596567,"eighty":77.560586,"marketCap":443873465},{"date":"2024-12-27","current":62.105743,"twenty":-55.756744,"median":55.908469,"eighty":77.560586,"marketCap":481443716},{"date":"2025-01-03","current":66.39035,"twenty":-55.161519,"median":56.337334,"eighty":77.560586,"marketCap":514657997},{"date":"2025-01-10","current":58.18638,"twenty":-53.843522,"median":56.688225,"eighty":77.597318,"marketCap":451060817},{"date":"2025-01-17","current":62.864329,"twenty":-50.260028,"median":57.166584,"eighty":77.597318,"marketCap":487324278},{"date":"2025-01-24","current":65.617716,"twenty":-47.648328,"median":57.273041,"eighty":77.597318,"marketCap":508668536},{"date":"2025-01-31","current":63.805538,"twenty":-43.973728,"median":57.624464,"eighty":77.597318,"marketCap":494620529},{"date":"2025-02-07","current":47.164858,"twenty":-41.817558,"median":58.013809,"eighty":77.597318,"marketCap":432737569},{"date":"2025-02-14","current":44.574296,"twenty":-40.299128,"median":58.013809,"eighty":77.597318,"marketCap":408969166},{"date":"2025-02-21","current":39.773439,"twenty":-39.570282,"median":58.013809,"eighty":77.597318,"marketCap":364921301},{"date":"2025-02-28","current":40.201238,"twenty":-38.811067,"median":58.013809,"eighty":77.597318,"marketCap":368846358},{"date":"2025-03-07","current":38.264258,"twenty":-37.669207,"median":58.100094,"eighty":77.606501,"marketCap":351074571},{"date":"2025-03-14","current":38.157309,"twenty":-37.171162,"median":58.100094,"eighty":77.606501,"marketCap":350093307},{"date":"2025-03-21","current":36.683778,"twenty":-36.199367,"median":58.100094,"eighty":77.606501,"marketCap":336573665},{"date":"2025-03-28","current":34.544782,"twenty":-35.749913,"median":58.100094,"eighty":77.606501,"marketCap":316948378},{"date":"2025-04-04","current":31.942337,"twenty":-35.40371,"median":58.100094,"eighty":77.606501,"marketCap":293070946},{"date":"2025-04-11","current":35.590514,"twenty":-35.106098,"median":58.013809,"eighty":77.597318,"marketCap":326542963},{"date":"2025-04-17","current":35.459797,"twenty":-34.377251,"median":58.013809,"eighty":77.597318,"marketCap":325343640},{"date":"2025-04-25","current":37.47996,"twenty":-32.998518,"median":58.100094,"eighty":77.606501,"marketCap":343878632},{"date":"2025-05-02","current":39.357523,"twenty":-24.653977,"median":58.100094,"eighty":77.606501,"marketCap":361105273},{"date":"2025-05-09","current":41.437102,"twenty":-23.251275,"median":58.100094,"eighty":77.606501,"marketCap":380185413},{"date":"2025-05-16","current":44.312863,"twenty":-22.947129,"median":58.100094,"eighty":77.606501,"marketCap":406570520},{"date":"2025-05-23","current":43.694931,"twenty":-22.593048,"median":58.100094,"eighty":77.606501,"marketCap":400900993},{"date":"2025-05-30","current":46.701409,"twenty":-22.40239,"median":58.100094,"eighty":77.606501,"marketCap":428485424},{"date":"2025-06-06","current":49.018654,"twenty":-22.356995,"median":58.100094,"eighty":77.606501,"marketCap":449746151},{"date":"2025-06-13","current":42.066013,"twenty":-22.338837,"median":57.684258,"eighty":77.606501,"marketCap":514467336},{"date":"2025-06-20","current":41.322987,"twenty":-22.343376,"median":57.312029,"eighty":77.615684,"marketCap":505380128},{"date":"2025-06-27","current":44.608415,"twenty":-22.343376,"median":57.195066,"eighty":77.615684,"marketCap":545560914},{"date":"2025-07-03","current":47.222434,"twenty":-22.343376,"median":56.922151,"eighty":77.615684,"marketCap":577530368},{"date":"2025-07-11","current":46.049706,"twenty":-22.343376,"median":56.493286,"eighty":77.615684,"marketCap":563187907},{"date":"2025-07-18","current":46.586886,"twenty":-22.343376,"median":55.947457,"eighty":77.615684,"marketCap":569757619},{"date":"2025-07-25","current":48.543338,"twenty":-22.343376,"median":55.518592,"eighty":77.615684,"marketCap":593685024},{"date":"2025-08-01","current":51.28955,"twenty":-22.252587,"median":55.479604,"eighty":77.615684,"marketCap":627271199},{"date":"2025-08-08","current":39.004387,"twenty":-22.13002,"median":55.479604,"eighty":77.615684,"marketCap":540561794},{"date":"2025-08-15","current":39.717157,"twenty":-22.034691,"median":55.479604,"eighty":77.615684,"marketCap":550440081},{"date":"2025-08-22","current":38.568805,"twenty":-21.844032,"median":55.479604,"eighty":77.615684,"marketCap":534525063},{"date":"2025-08-29","current":38.941029,"twenty":-21.612518,"median":55.479604,"eighty":77.615684,"marketCap":539683724},{"date":"2025-09-05","current":38.941029,"twenty":-21.333639,"median":55.483813,"eighty":77.624867,"marketCap":539683724},{"date":"2025-09-12","current":39.257816,"twenty":-21.141281,"median":55.479604,"eighty":77.615684,"marketCap":544074074},{"date":"2025-09-19","current":42.829588,"twenty":-20.96791,"median":55.479604,"eighty":77.615684,"marketCap":593575265},{"date":"2025-09-26","current":41.023903,"twenty":-20.393454,"median":55.479604,"eighty":77.615684,"marketCap":568550273},{"date":"2025-10-03","current":45.474759,"twenty":-20.115673,"median":55.479604,"eighty":77.615684,"marketCap":630234685},{"date":"2025-10-10","current":45.823225,"twenty":-19.803702,"median":55.479604,"eighty":77.615684,"marketCap":635064069},{"date":"2025-10-17","current":48.381279,"twenty":-19.397713,"median":55.479604,"eighty":77.615684,"marketCap":670516142},{"date":"2025-10-24","current":48.539672,"twenty":-19.047281,"median":55.479604,"eighty":77.615684,"marketCap":672711317},{"date":"2025-10-31","current":49.260362,"twenty":-19.017366,"median":55.128714,"eighty":77.359546,"marketCap":682699362},{"date":"2025-11-07","current":49.212844,"twenty":-19.017366,"median":54.885125,"eighty":76.935029,"marketCap":682040810},{"date":"2025-11-14","current":46.747844,"twenty":-19.017366,"median":54.504909,"eighty":76.238217,"marketCap":638949525},{"date":"2025-11-21","current":43.057859,"twenty":-19.017366,"median":54.037056,"eighty":75.255623,"marketCap":588514816},{"date":"2025-11-28","current":46.225297,"twenty":-19.017366,"median":53.686166,"eighty":74.788767,"marketCap":631807355},{"date":"2025-12-05","current":47.358821,"twenty":-19.017366,"median":51.540838,"eighty":74.470715,"marketCap":647300370},{"date":"2025-12-12","current":51.876842,"twenty":-19.017366,"median":50.59851,"eighty":74.245481,"marketCap":709052671},{"date":"2025-12-19","current":48.910383,"twenty":-19.017366,"median":50.015164,"eighty":73.896522,"marketCap":668507121},{"date":"2025-12-26","current":56.764664,"twenty":-19.017366,"median":49.933535,"eighty":73.450403,"marketCap":775859431},{"date":"2026-01-02","current":51.635666,"twenty":-19.017366,"median":49.933535,"eighty":73.201097,"marketCap":705756285},{"date":"2026-01-09","current":55.751727,"twenty":-19.017366,"median":49.933535,"eighty":72.613151,"marketCap":762014609},{"date":"2026-01-16","current":59.144262,"twenty":-19.017366,"median":49.933535,"eighty":72.270508,"marketCap":808383775},{"date":"2026-01-23","current":60.205434,"twenty":-19.017366,"median":49.933535,"eighty":71.9006,"marketCap":822887875},{"date":"2026-01-30","current":57.078192,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":780144734},{"date":"2026-02-06","current":59.288967,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":810361607},{"date":"2026-02-13","current":62.230136,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":928784786},{"date":"2026-02-20","current":59.203206,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":883607844},{"date":"2026-02-27","current":61.050524,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":911179066},{"date":"2026-03-06","current":62.334002,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":930334975},{"date":"2026-03-13","current":60.056385,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":896341541},{"date":"2026-03-20","current":61.339863,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":915497450},{"date":"2026-03-27","current":58.016174,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":865891396},{"date":"2026-04-02","current":60.72409,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":906307043},{"date":"2026-04-10","current":68.091105,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":1016259748},{"date":"2026-04-17","current":67.490171,"twenty":-19.017366,"median":49.933535,"eighty":71.371166,"marketCap":1007290796},{"date":"2026-04-24","current":72.408933,"twenty":-19.017366,"median":49.933535,"eighty":71.432917,"marketCap":1080703328},{"date":"2026-05-01","current":70.628386,"twenty":-19.017366,"median":49.933535,"eighty":71.625433,"marketCap":1054128656},{"date":"2026-05-08","current":72.023148,"twenty":-19.017366,"median":49.933535,"eighty":72.00663,"marketCap":1074945482},{"date":"2026-05-15","current":77.271351,"twenty":-19.017366,"median":49.933535,"eighty":72.284058,"marketCap":1153274912},{"date":"2026-05-22","current":72.437981,"twenty":-19.017366,"median":49.933535,"eighty":72.474548,"marketCap":1081136866},{"date":"2026-05-29","current":78.405394,"twenty":-19.017366,"median":49.921718,"eighty":72.662408,"marketCap":1170200505},{"date":"2026-06-05","current":84.435375,"twenty":-19.017366,"median":49.933535,"eighty":73.007519,"marketCap":1260197971},{"date":"2026-06-12","current":96.334994,"twenty":-19.017366,"median":49.933535,"eighty":73.450403,"marketCap":1204187420},{"date":"2026-06-18","current":108.390897,"twenty":-19.017366,"median":49.933535,"eighty":73.850607,"marketCap":1354886214},{"date":"2026-06-26","current":114.881818,"twenty":-19.017366,"median":49.921718,"eighty":74.229335,"marketCap":1436022726},{"date":"2026-07-02","current":111.711181,"twenty":-19.017366,"median":49.921718,"eighty":74.364862,"marketCap":1396389761},{"date":"2026-07-10","current":101.563271,"twenty":-19.017366,"median":49.921718,"eighty":74.576073,"marketCap":1269540892},{"date":"2026-07-17","current":101.466927,"twenty":-19.017366,"median":49.921718,"eighty":75.124608,"marketCap":1268336587},{"date":"2026-07-24","current":98.980682,"twenty":-19.017366,"median":49.921718,"eighty":75.573803,"marketCap":1237258529},{"date":"2026-07-31","current":88.397724,"twenty":-19.017366,"median":49.909902,"eighty":76.4299,"marketCap":1104971551},{"date":"2026-08-07","current":104.165663,"twenty":-19.017366,"median":49.909902,"eighty":76.889687,"marketCap":1230925642},{"date":"2026-08-14","current":110.328309,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":1303749625},{"date":"2026-08-21","current":99.313356,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":1173585929},{"date":"2026-08-28","current":92.748087,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":1096004141},{"date":"2026-09-04","current":85.378299,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":1008915356},{"date":"2026-09-11","current":84.911479,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":1003398951},{"date":"2026-09-18","current":83.054134,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":981450699},{"date":"2026-09-25","current":86.937674,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":1027342498},{"date":"2026-10-01","current":85.72593,"twenty":-19.017366,"median":49.909902,"eighty":77.014046,"marketCap":1013023318}],"updateTime":1790982052649},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"GHM\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"21690719","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526369611-GHM","pdf_url":"","pub_time":1787803200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526369611/0001193125-26-369611-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526369611/d131891d8k.htm","primary":true,"translateUrl":"","linkName":"d131891d8k.htm","type":"8-K","id":"NTFILE4QRzfhXzSQvBXZsS","market":"us","size":32249}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-08-27 12:00","pubTimestamp":1787803200,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21619286","market":"us","labels":[],"media":"sec.gov","original_id":"AN189761226000586-GHM","pdf_url":"","pub_time":1786680000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","symbol":"GHM","title":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000189761226000586/0001897612-26-000586-index.htm","us_notice_code":"Form SCHEDULE 13G","us_title_en":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000189761226000586/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G","id":"NTFILECZjhSpUh4o6K5pdq","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-08-14 12:00","pubTimestamp":1786680000,"title_zh":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21614646","market":"us","labels":[],"media":"sec.gov","original_id":"AN194984626000511-GHM","pdf_url":"","pub_time":1786652696000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"GHM","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/0001949846-26-000511-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000194984626000511/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE2BBFwT6HPgqrNfPS","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-08-14 04:24","pubTimestamp":1786652696,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21612709","market":"us","labels":[],"media":"sec.gov","original_id":"AN101507926000073-GHM","pdf_url":"","pub_time":1786593600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"GHM","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000101507926000073/0001015079-26-000073-index.htm","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000101507926000073/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILE6FeJKdkRe1Jkff41","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-08-13 12:00","pubTimestamp":1786593600,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21584330","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526336752-GHM","pdf_url":"","pub_time":1785988800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"GHM","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336752/0001193125-26-336752-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336752/ghm-20260630.htm","primary":true,"translateUrl":"","linkName":"ghm-20260630.htm","type":"10-Q","id":"NTFILEEoRrS5DJL4rh33Sd","market":"us","size":2197854},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336752/ghm-ex31_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex31_1.htm","type":"EX-31.1","id":"NTFILE41HfCQr8MnkV8YZy","market":"us","size":14331},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336752/ghm-ex31_2.htm","primary":false,"translateUrl":"","linkName":"ghm-ex31_2.htm","type":"EX-31.2","id":"NTFILE3hFhryGAG4KyAxTw","market":"us","size":14199},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336752/ghm-ex32_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex32_1.htm","type":"EX-32.1","id":"NTFILEA6USdCBdHLzk8E7c","market":"us","size":10995},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336752/img3192537_0.jpg","primary":false,"translateUrl":"","linkName":"img3192537_0.jpg","type":"GRAPHIC","id":"NTFILEA6fTuF4rTnofgK7s","market":"us","size":92085}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2026-08-06 12:00","pubTimestamp":1785988800,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21583934","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526336614-GHM","pdf_url":"","pub_time":1785988800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336614/0001193125-26-336614-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336614/d28324dex991.htm","primary":true,"translateUrl":"","linkName":"d28324dex991.htm","type":"EX-99.1","id":"NTFILE73i97N2BNbBQprTy","market":"us","size":175431},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336614/d28324d8k.htm","primary":false,"translateUrl":"","linkName":"d28324d8k.htm","type":"8-K","id":"NTFILEsACcj5nJAzPZPnoM","market":"us","size":26734},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336614/d28324dex992.htm","primary":false,"translateUrl":"","linkName":"d28324dex992.htm","type":"EX-99.2","id":"NTFILEBfrPGhf2oDbqgMtp","market":"us","size":86712},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526336614/g28324dsp00.jpg","primary":false,"translateUrl":"","linkName":"g28324dsp00.jpg","type":"GRAPHIC","id":"NTFILEERV3dxaG8A1kYiKW","market":"us","size":26267}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-08-06 12:00","pubTimestamp":1785988800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21475966","market":"us","labels":[],"media":"sec.gov","original_id":"AN197337926000265-GHM","pdf_url":"","pub_time":1783310400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"GHM","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000197337926000265/0001973379-26-000265-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000197337926000265/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE2EAmG2zrcLL4FTUZ","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-07-06 12:00","pubTimestamp":1783310400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21422520","market":"us","labels":[],"media":"sec.gov","original_id":"AN194984626000402-GHM","pdf_url":"","pub_time":1782187200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"GHM","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000194984626000402/0001949846-26-000402-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000194984626000402/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEDKtnRDPhYT2Z2T4u","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-23 12:00","pubTimestamp":1782187200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21412476","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526276076-GHM","pdf_url":"","pub_time":1781755200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"GHM","title":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526276076/0001193125-26-276076-index.htm","us_notice_code":"Form 11-K","us_title_en":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526276076/d37815d11k.htm","primary":true,"translateUrl":"","linkName":"d37815d11k.htm","type":"11-K","id":"NTFILEEDCQc4HZrTwZ67bF","market":"us","size":102427},{"description":"EX-23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526276076/d37815dex231.htm","primary":false,"translateUrl":"","linkName":"d37815dex231.htm","type":"EX-23.1","id":"NTFILE9cgAjz9cXhwnuUzi","market":"us","size":2455},{"description":"EX-23.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526276076/d37815dex232.htm","primary":false,"translateUrl":"","linkName":"d37815dex232.htm","type":"EX-23.2","id":"NTFILEGbuE7XdxS9MFcFvD","market":"us","size":2306}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2026-06-18 12:00","pubTimestamp":1781755200,"title_zh":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21410803","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526274996-GHM","pdf_url":"","pub_time":1781755200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/0001193125-26-274996-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/d154066dex991.htm","primary":true,"translateUrl":"","linkName":"d154066dex991.htm","type":"EX-99.1","id":"NTFILEBZHW7C23PKsZfug2","market":"us","size":97993},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/d154066d8k.htm","primary":false,"translateUrl":"","linkName":"d154066d8k.htm","type":"8-K","id":"NTFILECQj9WwSmNLvdpmVe","market":"us","size":25141},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p10g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p10g1.jpg","type":"GRAPHIC","id":"NTFILEHqixPVJ6U6K6RWkj","market":"us","size":255856},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p11g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p11g1.jpg","type":"GRAPHIC","id":"NTFILEEZTJ6iP6dizNXZJJ","market":"us","size":204630},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p12g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p12g1.jpg","type":"GRAPHIC","id":"NTFILE4jZNp1TD5u9yJYa3","market":"us","size":424138},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p13g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p13g1.jpg","type":"GRAPHIC","id":"NTFILEFKXpFN8xpXXhwBDW","market":"us","size":283705},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p14g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p14g1.jpg","type":"GRAPHIC","id":"NTFILECVRKSEj5TTFESQBz","market":"us","size":187537},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p15g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p15g1.jpg","type":"GRAPHIC","id":"NTFILEB4uSs6BCQF2bAbco","market":"us","size":294225},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p16g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p16g1.jpg","type":"GRAPHIC","id":"NTFILE3dNC6UhXKnDrP2UV","market":"us","size":310050},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p17g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p17g1.jpg","type":"GRAPHIC","id":"NTFILECtPfHNPgZ327VaC3","market":"us","size":282471},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p18g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p18g1.jpg","type":"GRAPHIC","id":"NTFILE3kjFHR53uyQXyWoe","market":"us","size":394754},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p19g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p19g1.jpg","type":"GRAPHIC","id":"NTFILE7FRthFpYrkNDJz5b","market":"us","size":276117},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p1g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p1g1.jpg","type":"GRAPHIC","id":"NTFILEC8gsbLkurswYDENx","market":"us","size":301046},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p20g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p20g1.jpg","type":"GRAPHIC","id":"NTFILEDNVzX2yLhVprLRqn","market":"us","size":322752},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p21g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p21g1.jpg","type":"GRAPHIC","id":"NTFILECNpMXWT3sR5LipeQ","market":"us","size":206854},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p22g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p22g1.jpg","type":"GRAPHIC","id":"NTFILE78RrSjvJcG7SNByA","market":"us","size":312849},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p23g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p23g1.jpg","type":"GRAPHIC","id":"NTFILEGLYoyVVYteuFNcRH","market":"us","size":249071},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p24g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p24g1.jpg","type":"GRAPHIC","id":"NTFILEAtsFdcFo3u8wYyqe","market":"us","size":427515},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p25g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p25g1.jpg","type":"GRAPHIC","id":"NTFILEqVD4LdzhDMekvZhM","market":"us","size":329234},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p26g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p26g1.jpg","type":"GRAPHIC","id":"NTFILEDcVnxKrHBJJq6uHU","market":"us","size":272911},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p27g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p27g1.jpg","type":"GRAPHIC","id":"NTFILEEAA38f5UY8UEMfcq","market":"us","size":186775},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p28g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p28g1.jpg","type":"GRAPHIC","id":"NTFILE4BYGiLwnmqorjfnZ","market":"us","size":310476},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p29g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p29g1.jpg","type":"GRAPHIC","id":"NTFILE97AzwLJj3bn1Pwqg","market":"us","size":310490},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p2g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p2g1.jpg","type":"GRAPHIC","id":"NTFILEDTjQC5cwFy39Z4zE","market":"us","size":214869},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p30g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p30g1.jpg","type":"GRAPHIC","id":"NTFILE7YknQvrjwBDDYHmc","market":"us","size":425337},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p31g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p31g1.jpg","type":"GRAPHIC","id":"NTFILE3Ymv1AMmiaEs3BKV","market":"us","size":306761},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p32g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p32g1.jpg","type":"GRAPHIC","id":"NTFILEACHHpuwB3wDAreU6","market":"us","size":277534},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p33g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p33g1.jpg","type":"GRAPHIC","id":"NTFILE7aNAehS6eVhnj9tD","market":"us","size":217744},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p34g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p34g1.jpg","type":"GRAPHIC","id":"NTFILE4cMWxJLPiXRVz8V1","market":"us","size":365763},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p35g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p35g1.jpg","type":"GRAPHIC","id":"NTFILEEiaKVDCRuL9H7EW1","market":"us","size":272385},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p36g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p36g1.jpg","type":"GRAPHIC","id":"NTFILE6P6fB1PTDxHUefki","market":"us","size":329565},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p37g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p37g1.jpg","type":"GRAPHIC","id":"NTFILECu9U5C3SkLCqs9Zn","market":"us","size":157678},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p38g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p38g1.jpg","type":"GRAPHIC","id":"NTFILE3PJcnLn1ZFtdaM98","market":"us","size":327093},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p39g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p39g1.jpg","type":"GRAPHIC","id":"NTFILEDWtFxqiovGhkuriY","market":"us","size":280763},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p3g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p3g1.jpg","type":"GRAPHIC","id":"NTFILEEwmZNbhPAYmuZL3K","market":"us","size":200931},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p40g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p40g1.jpg","type":"GRAPHIC","id":"NTFILEGufzVUB4EZcwYZLF","market":"us","size":168273},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p41g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p41g1.jpg","type":"GRAPHIC","id":"NTFILEDBws75VrrwhjN4fg","market":"us","size":193261},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p42g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p42g1.jpg","type":"GRAPHIC","id":"NTFILEHKAd8xyjAAcnsTsE","market":"us","size":304413},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p43g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p43g1.jpg","type":"GRAPHIC","id":"NTFILE71LJde9SA661W77c","market":"us","size":280253},{"description":"GRAPHIC","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p44g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p44g1.jpg","type":"GRAPHIC","id":"NTFILE4NAn7QKCeQVHx3pt","market":"us","size":448105},{"description":"GRAPHIC","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p45g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p45g1.jpg","type":"GRAPHIC","id":"NTFILEbqCqNNdPu3yALZ3K","market":"us","size":203051},{"description":"GRAPHIC","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p46g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p46g1.jpg","type":"GRAPHIC","id":"NTFILE4uPPt5P4BfEcmhrS","market":"us","size":288018},{"description":"GRAPHIC","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p47g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p47g1.jpg","type":"GRAPHIC","id":"NTFILE4tLU3QgaMzUo7Hdz","market":"us","size":273486},{"description":"GRAPHIC","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p48g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p48g1.jpg","type":"GRAPHIC","id":"NTFILEFGBzkJTNMTYAYz7t","market":"us","size":369912},{"description":"GRAPHIC","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p49g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p49g1.jpg","type":"GRAPHIC","id":"NTFILEG7BWdDXHEapQALFT","market":"us","size":305679},{"description":"GRAPHIC","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p4g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p4g1.jpg","type":"GRAPHIC","id":"NTFILE5UcUzFVzkJQ81tqd","market":"us","size":503953},{"description":"GRAPHIC","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p50g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p50g1.jpg","type":"GRAPHIC","id":"NTFILEAT5kSQdpFrL8QakD","market":"us","size":242362},{"description":"GRAPHIC","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p51g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p51g1.jpg","type":"GRAPHIC","id":"NTFILE2MPNSMfCskcTuTCa","market":"us","size":315777},{"description":"GRAPHIC","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p52g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p52g1.jpg","type":"GRAPHIC","id":"NTFILE5jR977ePkZEUG9Ar","market":"us","size":294275},{"description":"GRAPHIC","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p53g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p53g1.jpg","type":"GRAPHIC","id":"NTFILEHFKdCbcxVMRDPj7W","market":"us","size":314598},{"description":"GRAPHIC","seq":54,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p54g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p54g1.jpg","type":"GRAPHIC","id":"NTFILE5M7xRdBk2ihFXSfQ","market":"us","size":385043},{"description":"GRAPHIC","seq":55,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p55g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p55g1.jpg","type":"GRAPHIC","id":"NTFILE9jKbwYf5xgbuhcWf","market":"us","size":249636},{"description":"GRAPHIC","seq":56,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p56g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p56g1.jpg","type":"GRAPHIC","id":"NTFILEAKHcCyMHBGYLkyhz","market":"us","size":362136},{"description":"GRAPHIC","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p57g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p57g1.jpg","type":"GRAPHIC","id":"NTFILE95bkU5FKzam6ZUcY","market":"us","size":410921},{"description":"GRAPHIC","seq":58,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p58g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p58g1.jpg","type":"GRAPHIC","id":"NTFILEBNeQHFbWJTPib99K","market":"us","size":201502},{"description":"GRAPHIC","seq":59,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p59g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p59g1.jpg","type":"GRAPHIC","id":"NTFILEpC8qp8GpiLdcC6Ek","market":"us","size":384422},{"description":"GRAPHIC","seq":60,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p5g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p5g1.jpg","type":"GRAPHIC","id":"NTFILEBExLBFrqkgZzCk1i","market":"us","size":194210},{"description":"GRAPHIC","seq":61,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p60g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p60g1.jpg","type":"GRAPHIC","id":"NTFILE8JNijKisMqVaMJ4H","market":"us","size":284916},{"description":"GRAPHIC","seq":62,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p61g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p61g1.jpg","type":"GRAPHIC","id":"NTFILE4WY9s83GSWCYfqpg","market":"us","size":291220},{"description":"GRAPHIC","seq":63,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p62g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p62g1.jpg","type":"GRAPHIC","id":"NTFILEEWH7kD6BrpwEHGgU","market":"us","size":291616},{"description":"GRAPHIC","seq":64,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p63g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p63g1.jpg","type":"GRAPHIC","id":"NTFILE8gJJ3BK8Vwusi6ER","market":"us","size":274589},{"description":"GRAPHIC","seq":65,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p64g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p64g1.jpg","type":"GRAPHIC","id":"NTFILEFnTRh6sWwroeg26S","market":"us","size":187088},{"description":"GRAPHIC","seq":66,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p65g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p65g1.jpg","type":"GRAPHIC","id":"NTFILECbDaVuyCLkkGcmMo","market":"us","size":365623},{"description":"GRAPHIC","seq":67,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p66g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p66g1.jpg","type":"GRAPHIC","id":"NTFILEFGBJPHuPuAUvX6cc","market":"us","size":247103},{"description":"GRAPHIC","seq":68,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p67g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p67g1.jpg","type":"GRAPHIC","id":"NTFILEHEYixFsHhPRdhKcP","market":"us","size":384423},{"description":"GRAPHIC","seq":69,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p68g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p68g1.jpg","type":"GRAPHIC","id":"NTFILEHNqg3tFPdvJhg2qp","market":"us","size":280223},{"description":"GRAPHIC","seq":70,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p69g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p69g1.jpg","type":"GRAPHIC","id":"NTFILEEzQhBnoBBwJfQ5o6","market":"us","size":279920},{"description":"GRAPHIC","seq":71,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p6g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p6g1.jpg","type":"GRAPHIC","id":"NTFILE5D2fPoqrh6Mq9J49","market":"us","size":204145},{"description":"GRAPHIC","seq":72,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p70g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p70g1.jpg","type":"GRAPHIC","id":"NTFILEA2CASavV4z8SM9dd","market":"us","size":255844},{"description":"GRAPHIC","seq":73,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p71g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p71g1.jpg","type":"GRAPHIC","id":"NTFILE25jJGCVpq2yUsyNg","market":"us","size":281158},{"description":"GRAPHIC","seq":74,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p7g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p7g1.jpg","type":"GRAPHIC","id":"NTFILEG1JTLxoptkgEzjFF","market":"us","size":385996},{"description":"GRAPHIC","seq":75,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p8g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p8g1.jpg","type":"GRAPHIC","id":"NTFILEFgyejwgf2qKJtkqc","market":"us","size":328654},{"description":"GRAPHIC","seq":76,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526274996/g154066ex99_1p9g1.jpg","primary":false,"translateUrl":"","linkName":"g154066ex99_1p9g1.jpg","type":"GRAPHIC","id":"NTFILE9gc6haPeWyuTJ3m9","market":"us","size":219479}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-18 12:00","pubTimestamp":1781755200,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21405818","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526273382-GHM","pdf_url":"","pub_time":1781668800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526273382/0001193125-26-273382-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526273382/d128311dex101.htm","primary":true,"translateUrl":"","linkName":"d128311dex101.htm","type":"EX-10.1","id":"NTFILE3CdDPsBEwJ1CqnMz","market":"us","size":25310},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526273382/d128311d8k.htm","primary":false,"translateUrl":"","linkName":"d128311d8k.htm","type":"8-K","id":"NTFILEL9XkmyUKABDmuWtR","market":"us","size":34297},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526273382/d128311dex102.htm","primary":false,"translateUrl":"","linkName":"d128311dex102.htm","type":"EX-10.2","id":"NTFILE7HR9UM4ei96nuPRU","market":"us","size":23336},{"description":"EX-99.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526273382/d128311dex991.htm","primary":false,"translateUrl":"","linkName":"d128311dex991.htm","type":"EX-99.1","id":"NTFILEG66FhdXxGipRmjuT","market":"us","size":11200},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526273382/g128311g0616203709412.jpg","primary":false,"translateUrl":"","linkName":"g128311g0616203709412.jpg","type":"GRAPHIC","id":"NTFILEN5VsUw3WtoSizYrq","market":"us","size":4377}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-17 12:00","pubTimestamp":1781668800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21367882","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526260688-GHM","pdf_url":"","pub_time":1780891200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"GHM","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/0001193125-26-260688-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-20260331.htm","primary":true,"translateUrl":"","linkName":"ghm-20260331.htm","type":"10-K","id":"NTFILE5szLZFFChwPPU4Xh","market":"us","size":4425072},{"description":"EX-10.6","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex10_6.htm","primary":false,"translateUrl":"","linkName":"ghm-ex10_6.htm","type":"EX-10.6","id":"NTFILEAXkgsjkbuLPHar95","market":"us","size":107482},{"description":"EX-10.7","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex10_7.htm","primary":false,"translateUrl":"","linkName":"ghm-ex10_7.htm","type":"EX-10.7","id":"NTFILEA2Z4KrxXtHFZgXjT","market":"us","size":106594},{"description":"EX-10.8","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex10_8.htm","primary":false,"translateUrl":"","linkName":"ghm-ex10_8.htm","type":"EX-10.8","id":"NTFILEDYN4ujPmC7XAyX45","market":"us","size":147491},{"description":"EX-21.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex21_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex21_1.htm","type":"EX-21.1","id":"NTFILEBdZxNWiKmF7DtuP3","market":"us","size":16008},{"description":"EX-23.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex23_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex23_1.htm","type":"EX-23.1","id":"NTFILE82hvoASyKULPCRaZ","market":"us","size":6033},{"description":"EX-31.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex31_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex31_1.htm","type":"EX-31.1","id":"NTFILE6z9FvovL5Bsh9kSx","market":"us","size":14512},{"description":"EX-31.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex31_2.htm","primary":false,"translateUrl":"","linkName":"ghm-ex31_2.htm","type":"EX-31.2","id":"NTFILE7Xju16FivK2y9ND4","market":"us","size":14581},{"description":"EX-32.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/ghm-ex32_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex32_1.htm","type":"EX-32.1","id":"NTFILEEXUpAZpDAqsjisjx","market":"us","size":12334},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/img25959575_0.gif","primary":false,"translateUrl":"","linkName":"img25959575_0.gif","type":"GRAPHIC","id":"NTFILEXnNZaQoRvWnVLKnM","market":"us","size":108640},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260688/img25959575_1.jpg","primary":false,"translateUrl":"","linkName":"img25959575_1.jpg","type":"GRAPHIC","id":"NTFILEAMMjedLVPxFJxrHD","market":"us","size":83248}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2026-06-08 12:00","pubTimestamp":1780891200,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21367734","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526260670-GHM","pdf_url":"","pub_time":1780891200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/0001193125-26-260670-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/d79259dex991.htm","primary":true,"translateUrl":"","linkName":"d79259dex991.htm","type":"EX-99.1","id":"NTFILEA16Jk6DcmWtxKBmP","market":"us","size":216107},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/d79259d8k.htm","primary":false,"translateUrl":"","linkName":"d79259d8k.htm","type":"8-K","id":"NTFILE4iGyGNbYCaKZ4smL","market":"us","size":28914},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/d79259dex992.htm","primary":false,"translateUrl":"","linkName":"d79259dex992.htm","type":"EX-99.2","id":"NTFILE3pb4JkbFvU4AMWe1","market":"us","size":134321},{"description":"EX-99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/d79259dex993.htm","primary":false,"translateUrl":"","linkName":"d79259dex993.htm","type":"EX-99.3","id":"NTFILE3eEsHRfqH8cotayL","market":"us","size":26971},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259dsp04.jpg","primary":false,"translateUrl":"","linkName":"g79259dsp04.jpg","type":"GRAPHIC","id":"NTFILEBo8QZDE9HAmhSp7w","market":"us","size":6022},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p10g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p10g1.jpg","type":"GRAPHIC","id":"NTFILEAzJznYBiDaYCikgZ","market":"us","size":273884},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p11g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p11g1.jpg","type":"GRAPHIC","id":"NTFILEF9vAwEtT5QEzj5A9","market":"us","size":297532},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p12g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p12g1.jpg","type":"GRAPHIC","id":"NTFILEDkWfrDxaqV2ov3Eq","market":"us","size":234069},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p13g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p13g1.jpg","type":"GRAPHIC","id":"NTFILE6iiuLiz6Xt1ptVFx","market":"us","size":298890},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p14g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p14g1.jpg","type":"GRAPHIC","id":"NTFILE7DbiAsYPVQuMLuVV","market":"us","size":248229},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p15g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p15g1.jpg","type":"GRAPHIC","id":"NTFILEjzi4Df2dKTy1qyNK","market":"us","size":276184},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p16g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p16g1.jpg","type":"GRAPHIC","id":"NTFILE3RzJoA4SLa5461BB","market":"us","size":259574},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p17g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p17g1.jpg","type":"GRAPHIC","id":"NTFILEAsCciLu9UrqPyspT","market":"us","size":268739},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p1g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p1g1.jpg","type":"GRAPHIC","id":"NTFILEAomYyff9dLzk9HF3","market":"us","size":241522},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p2g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p2g1.jpg","type":"GRAPHIC","id":"NTFILEFBqkwdgS6xE9QgeH","market":"us","size":481798},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p3g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p3g1.jpg","type":"GRAPHIC","id":"NTFILEj1C7QcKNXJ1fuePX","market":"us","size":303360},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p4g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p4g1.jpg","type":"GRAPHIC","id":"NTFILEGaAfPaQv9nPawyuZ","market":"us","size":315914},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p5g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p5g1.jpg","type":"GRAPHIC","id":"NTFILECTTksP55wgdrPAnT","market":"us","size":412036},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p6g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p6g1.jpg","type":"GRAPHIC","id":"NTFILEG9wRWEZyZNXmwhKP","market":"us","size":175689},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p7g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p7g1.jpg","type":"GRAPHIC","id":"NTFILEHWJzGY4qZkSt7utf","market":"us","size":253425},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p8g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p8g1.jpg","type":"GRAPHIC","id":"NTFILEC76pVFzAPUTC5JSc","market":"us","size":221617},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526260670/g79259ex99_3p9g1.jpg","primary":false,"translateUrl":"","linkName":"g79259ex99_3p9g1.jpg","type":"GRAPHIC","id":"NTFILEBWSjZZqt43UQJNva","market":"us","size":273016}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-08 12:00","pubTimestamp":1780891200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21364768","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526259740-GHM","pdf_url":"","pub_time":1780632000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526259740/0001193125-26-259740-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526259740/d30847dex101.htm","primary":true,"translateUrl":"","linkName":"d30847dex101.htm","type":"EX-10.1","id":"NTFILEDnjVKCwvXfhwZT7a","market":"us","size":17850},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526259740/d30847d8k.htm","primary":false,"translateUrl":"","linkName":"d30847d8k.htm","type":"8-K","id":"NTFILEBCUA6jae45tsgHaf","market":"us","size":43933},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526259740/d30847dex102.htm","primary":false,"translateUrl":"","linkName":"d30847dex102.htm","type":"EX-10.2","id":"NTFILE5hNwNVtMD628oUBJ","market":"us","size":29893}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-05 12:00","pubTimestamp":1780632000,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21376244","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526211676-GHM","pdf_url":"","pub_time":1778182218000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form CORRESP - Correspondence","symbol":"GHM","title":"Form CORRESP - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/0001193125-26-211676-index.html","us_notice_code":"Form CORRESP","us_title_en":"Form CORRESP - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526211676/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILECeL9oSE3mv3Mz14G","market":"us","size":4913}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2026-05-08 03:30","pubTimestamp":1778182218,"title_zh":"Form CORRESP - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21005571","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526155977-GHM","pdf_url":"","pub_time":1776225600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526155977/0001193125-26-155977-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 3.02: Unregistered Sales of Equity Securities;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526155977/d147885dex101.htm","primary":true,"translateUrl":"","linkName":"d147885dex101.htm","type":"EX-10.1","id":"NTFILEBH8rKZfYMriRyuY1","market":"us","size":159135},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526155977/d147885d8k.htm","primary":false,"translateUrl":"","linkName":"d147885d8k.htm","type":"8-K","id":"NTFILECjchkbEB5jxQTmU8","market":"us","size":30693},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526155977/d147885dex102.htm","primary":false,"translateUrl":"","linkName":"d147885dex102.htm","type":"EX-10.2","id":"NTFILEACG4Qkj48udVwLWT","market":"us","size":116589},{"description":"EX-99.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526155977/d147885dex991.htm","primary":false,"translateUrl":"","linkName":"d147885dex991.htm","type":"EX-99.1","id":"NTFILECk7mSwPt6JYXKLFX","market":"us","size":10669},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526155977/g147885g34o24.jpg","primary":false,"translateUrl":"","linkName":"g147885g34o24.jpg","type":"GRAPHIC","id":"NTFILEDAXLtE5fnympeXng","market":"us","size":16671}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-04-15 12:00","pubTimestamp":1776225600,"title_zh":"Form 8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 3.02: Unregistered Sales of Equity Securities;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20931632","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526131870-GHM","pdf_url":"","pub_time":1774906342000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/0001193125-26-131870-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526131870/d98663d8k.htm","primary":true,"translateUrl":"","linkName":"d98663d8k.htm","type":"8-K","id":"NTFILE2kEvHivLrM2oWSUz","market":"us","size":25056}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-03-31 05:32","pubTimestamp":1774906342,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20740323","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526053140-GHM","pdf_url":"","pub_time":1771304400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526053140/0001193125-26-053140-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526053140/d55432dex991.htm","primary":true,"translateUrl":"","linkName":"d55432dex991.htm","type":"EX-99.1","id":"NTFILEC7PwvgHYdKj1Eo7T","market":"us","size":13243},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526053140/d55432d8k.htm","primary":false,"translateUrl":"","linkName":"d55432d8k.htm","type":"8-K","id":"NTFILEC1U4mvwtPipwsrtm","market":"us","size":25633},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526053140/g55432g0217013534125.jpg","primary":false,"translateUrl":"","linkName":"g55432g0217013534125.jpg","type":"GRAPHIC","id":"NTFILE9R1S9YgpKRv43e2j","market":"us","size":4421},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526053140/g55432g0217013534820.jpg","primary":false,"translateUrl":"","linkName":"g55432g0217013534820.jpg","type":"GRAPHIC","id":"NTFILEHam3eSDnVKsqedgz","market":"us","size":1954}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-02-17 13:00","pubTimestamp":1771304400,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20708886","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526040310-GHM","pdf_url":"","pub_time":1770354000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"GHM","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/0001193125-26-040310-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/ghm-20251231.htm","primary":true,"translateUrl":"","linkName":"ghm-20251231.htm","type":"10-Q","id":"NTFILE9ccXfbjusvamRX1v","market":"us","size":2635241},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/ghm-ex31_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex31_1.htm","type":"EX-31.1","id":"NTFILE61WZR91mhMorqGFg","market":"us","size":14333},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/ghm-ex31_2.htm","primary":false,"translateUrl":"","linkName":"ghm-ex31_2.htm","type":"EX-31.2","id":"NTFILEH8T9ykapqaVdXFoJ","market":"us","size":14600},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/ghm-ex32_1.htm","primary":false,"translateUrl":"","linkName":"ghm-ex32_1.htm","type":"EX-32.1","id":"NTFILE8kikqpvFj8kFwfUH","market":"us","size":12050},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/img4366132_0.jpg","primary":false,"translateUrl":"","linkName":"img4366132_0.jpg","type":"GRAPHIC","id":"NTFILE8eLeGY3VDf2zTjyJ","market":"us","size":97358},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/img4366132_1.jpg","primary":false,"translateUrl":"","linkName":"img4366132_1.jpg","type":"GRAPHIC","id":"NTFILE6xndtPDqAsw7Rqhd","market":"us","size":163416},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040310/img4366132_2.jpg","primary":false,"translateUrl":"","linkName":"img4366132_2.jpg","type":"GRAPHIC","id":"NTFILEEWYPwfUoGgfrhrcx","market":"us","size":181022}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2026-02-06 13:00","pubTimestamp":1770354000,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20708743","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526040276-GHM","pdf_url":"","pub_time":1770354000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"GHM","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040276/0001193125-26-040276-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040276/d10345dex991.htm","primary":true,"translateUrl":"","linkName":"d10345dex991.htm","type":"EX-99.1","id":"NTFILE4iA2TRXfYdxSwnec","market":"us","size":217943},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040276/d10345d8k.htm","primary":false,"translateUrl":"","linkName":"d10345d8k.htm","type":"8-K","id":"NTFILE5MqAgcbDHwGMmRxG","market":"us","size":27003},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040276/d10345dex992.htm","primary":false,"translateUrl":"","linkName":"d10345dex992.htm","type":"EX-99.2","id":"NTFILE7Ymv9TNVkenwU56x","market":"us","size":124662},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/716314/000119312526040276/g10345dsp1.jpg","primary":false,"translateUrl":"","linkName":"g10345dsp1.jpg","type":"GRAPHIC","id":"NTFILEF4QXuze6TiDKGUHV","market":"us","size":16460}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-02-06 13:00","pubTimestamp":1770354000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":9,"pageCount":1,"totalSize":177,"code":"91000000","status":"200"}]}}