US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

Great Lakes Dredge & Dock

16.95

+0.02000.12%

Post-market: 16.950.00000.00%19:02 EDT

Volume:1.41M

Turnover:23.91M

Market Cap:1.13B

PE:15.69

High:16.98

Open:16.94

Low:16.93

Close:16.93

52wk High:16.99

52wk Low:7.51

Shares:66.78M

Float Shares:62.72M

Volume Ratio:0.72

T/O Rate:2.25%

Dividend:- -

Dividend Rate:- -

EPS(TTM):1.08

EPS(LYR):1.08

ROE:15.21%

ROA:6.17%

PB:2.19

PE(LYR):15.69

Loading ...

Overview Company News Filings

Quarterly Report

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

Major Issues Report

8-K - Current report

Annual Report

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

Major Issues Report

8-K - Current report

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G - Statement of acquisition of beneficial ownership by individuals

Major Issues Report

8-K - Current report

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

3 - Initial statement of beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Major Issues Report

8-K - Current report

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Quarterly Report

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

{"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.be62fbe1.png","ogUrl":"https://www.itiger.com/stock/GLDD/filings?page=5"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"GLDD","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"GLDD\",,,,,undefined,":{"symbol":"GLDD","market":"US","secType":"STK","nameCN":"Great Lakes Dredge & Dock","latestPrice":16.95,"timestamp":1773950400000,"preClose":16.93,"halted":0,"volume":1410233,"hourTrading":{"tag":"盘后","latestPrice":16.95,"preClose":16.95,"latestTime":"19:02 EDT","volume":33487,"amount":567609.84,"timestamp":1773961334513,"change":0,"changeRate":0,"amplitude":0.00118},"delay":0,"changeRate":0.0011813349084465194,"floatShares":62716948,"shares":66780798,"eps":1.08,"marketStatus":"Not Yet Opened","change":0.02,"latestTime":"03-19 16:00:00 EDT","open":16.94,"high":16.975,"low":16.93,"amount":23909961.805994,"amplitude":0.002658,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":1.08,"tradingStatus":0,"nextMarketStatus":{"tag":"Pre-Mkt","tradingStatus":1,"beginTime":1773993600000},"marketStatusCode":0,"adr":0,"adrRate":0,"listingDate":1167195600000,"exchange":"NASDAQ","adjPreClose":16.93,"preHourTrading":{"tag":"盘前","latestPrice":16.94,"preClose":16.93,"latestTime":"09:29 EDT","volume":352,"amount":5963.87968,"timestamp":1773926999909,"change":0.01,"changeRate":0.000591,"amplitude":0.000591},"postHourTrading":{"tag":"盘后","latestPrice":16.95,"preClose":16.95,"latestTime":"19:02 EDT","volume":33487,"amount":567609.84,"timestamp":1773961334513,"change":0,"changeRate":0,"amplitude":0.00118},"volumeRatio":0.716637,"impliedVol":0.1226,"impliedVolPercentile":0.02},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"GLDD\",,,,,undefined,":{"symbol":"GLDD","floatShares":62716948,"roa":"6.17%","roe":"15.21%","lyrEps":1.08,"volumeRatio":0.716637,"shares":66780798,"dividePrice":0,"high":16.975,"amplitude":0.002658,"preClose":16.93,"low":16.93,"week52Low":7.51,"pbRate":"2.19","psRate":"1.27","week52High":16.99,"institutionHeld":0.8615,"latestPrice":16.95,"eps":1.08,"divideRate":0,"volume":1410233,"delay":0,"ttmEps":1.08,"open":16.94,"prevYearClose":13.12,"prevWeekClose":16.92,"prevMonthClose":16.95,"prevQuarterClose":13.12,"fiveDayClose":16.95,"twentyDayClose":16.88,"sixtyDayClose":13.51},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/GLDD\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-02-23","symbol":"GLDD","fiscalQuarterEnding":"2025/12","expectedEps":0.2,"name":null,"time":"Post Market","type":"earning","dateTimestamp":1771822800000,"reportTimeType":"post","actualEps":0.3},{"market":"US","date":"2025-11-04","symbol":"GLDD","fiscalQuarterEnding":"2025/09","expectedEps":0.17,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1762232400000,"reportTimeType":"pre","actualEps":0.26},{"market":"US","date":"2025-08-05","symbol":"GLDD","fiscalQuarterEnding":"2025/06","expectedEps":0.08,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1754366400000,"reportTimeType":"pre","actualEps":0.14},{"market":"US","date":"2025-05-06","symbol":"GLDD","fiscalQuarterEnding":"2025/03","expectedEps":0.25,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1746504000000,"reportTimeType":"pre","actualEps":0.49},{"market":"US","date":"2025-02-18","symbol":"GLDD","fiscalQuarterEnding":"2024/12","expectedEps":0.21,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1739854800000,"reportTimeType":"pre","actualEps":0.29}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"GLDD\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"GLDD\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0,"buy":0,"hold":1,"sell":0,"strongSell":0,"meanLabel":"HOLD","meanPercent":1,"analysts":5,"updateTime":1773288000000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/GLDD\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"GLDD","date":"2026-03-18","current":15.694444,"percent":0.573906,"low":-14.842424,"twenty":9.792274,"median":14.230818,"eighty":22.863252,"high":45.746365,"avg":12.791814,"sd":13.663981,"marketCap":1131934526},"quantilePoints":[{"date":"2021-03-26","current":14.269029,"twenty":-46.467191,"median":9.6226,"eighty":22.27932,"marketCap":943225657},{"date":"2021-04-01","current":14.853258,"twenty":-46.467191,"median":9.732938,"eighty":22.27932,"marketCap":981844890},{"date":"2021-04-09","current":15.259247,"twenty":-46.467191,"median":9.847123,"eighty":22.28366,"marketCap":1008681983},{"date":"2021-04-16","current":14.932475,"twenty":-46.467191,"median":9.891613,"eighty":22.28366,"marketCap":987081396},{"date":"2021-04-23","current":15.625627,"twenty":-46.467191,"median":10.008845,"eighty":22.28366,"marketCap":1032900824},{"date":"2021-04-30","current":15.54641,"twenty":-46.467191,"median":10.081546,"eighty":22.28366,"marketCap":1027664318},{"date":"2021-05-07","current":22.773441,"twenty":-46.467191,"median":10.085335,"eighty":22.28366,"marketCap":932116953},{"date":"2021-05-14","current":23.414947,"twenty":-46.467191,"median":10.085335,"eighty":22.240264,"marketCap":958373769},{"date":"2021-05-21","current":23.142307,"twenty":-46.467191,"median":10.085335,"eighty":22.240264,"marketCap":947214622},{"date":"2021-05-28","current":23.430984,"twenty":-46.467191,"median":10.085335,"eighty":22.240264,"marketCap":959030189},{"date":"2021-06-04","current":23.719662,"twenty":-46.467191,"median":10.085335,"eighty":22.240264,"marketCap":970845756},{"date":"2021-06-11","current":23.238533,"twenty":-46.467191,"median":10.085335,"eighty":22.240264,"marketCap":951153145},{"date":"2021-06-18","current":22.228162,"twenty":-46.467191,"median":10.085335,"eighty":22.228162,"marketCap":909798660},{"date":"2021-06-25","current":23.110232,"twenty":-46.467191,"median":10.085335,"eighty":22.228162,"marketCap":945901781},{"date":"2021-07-02","current":23.014006,"twenty":-46.467191,"median":10.085335,"eighty":22.228162,"marketCap":941963259},{"date":"2021-07-09","current":23.382871,"twenty":-46.467191,"median":10.085335,"eighty":22.228162,"marketCap":957060928},{"date":"2021-07-16","current":22.885705,"twenty":-46.467191,"median":10.085335,"eighty":22.228162,"marketCap":936711896},{"date":"2021-07-23","current":23.575323,"twenty":-46.467191,"median":10.085335,"eighty":22.228162,"marketCap":964937973},{"date":"2021-07-30","current":24.697957,"twenty":-46.467191,"median":10.085335,"eighty":22.228162,"marketCap":1010887400},{"date":"2021-08-06","current":28.035789,"twenty":-46.467191,"median":10.085335,"eighty":22.244199,"marketCap":955319520},{"date":"2021-08-13","current":28.652384,"twenty":-46.467191,"median":10.085335,"eighty":22.307939,"marketCap":976329984},{"date":"2021-08-20","current":28.459698,"twenty":-46.467191,"median":10.085335,"eighty":22.47894,"marketCap":969764214},{"date":"2021-08-27","current":28.864338,"twenty":-46.467191,"median":10.085335,"eighty":22.58099,"marketCap":983552331},{"date":"2021-09-03","current":30.001185,"twenty":-46.467191,"median":10.088769,"eighty":22.726894,"marketCap":1022290373},{"date":"2021-09-10","current":28.97995,"twenty":-46.467191,"median":10.088769,"eighty":22.770234,"marketCap":987491792},{"date":"2021-09-17","current":29.076293,"twenty":-46.467191,"median":10.088769,"eighty":22.863252,"marketCap":990774677},{"date":"2021-09-24","current":29.673619,"twenty":-46.467191,"median":10.088769,"eighty":22.928024,"marketCap":1011128564},{"date":"2021-10-01","current":29.095561,"twenty":-46.467191,"median":10.088769,"eighty":22.993972,"marketCap":991431254},{"date":"2021-10-08","current":28.151401,"twenty":-46.467191,"median":10.094692,"eighty":23.054505,"marketCap":959258982},{"date":"2021-10-15","current":27.939446,"twenty":-46.467191,"median":10.094692,"eighty":23.112843,"marketCap":952036635},{"date":"2021-10-22","current":28.652384,"twenty":-46.467191,"median":10.094692,"eighty":23.1673,"marketCap":976329984},{"date":"2021-10-29","current":29.326784,"twenty":-46.467191,"median":10.094692,"eighty":23.223121,"marketCap":999310178},{"date":"2021-11-05","current":28.315784,"twenty":-46.467191,"median":10.094692,"eighty":23.286646,"marketCap":1000509895},{"date":"2021-11-12","current":29.208791,"twenty":-46.467191,"median":10.094692,"eighty":23.338174,"marketCap":1032063426},{"date":"2021-11-19","current":29.525065,"twenty":-46.467191,"median":10.094692,"eighty":23.377143,"marketCap":1043238635},{"date":"2021-11-26","current":28.483222,"twenty":-46.467191,"median":10.094692,"eighty":23.430984,"marketCap":1006426182},{"date":"2021-12-03","current":27.925093,"twenty":-46.467191,"median":10.094692,"eighty":23.479097,"marketCap":986705225},{"date":"2021-12-10","current":29.041352,"twenty":-46.467191,"median":10.094692,"eighty":23.570726,"marketCap":1026147139},{"date":"2021-12-17","current":28.8181,"twenty":-46.467191,"median":10.094692,"eighty":23.637444,"marketCap":1018258756},{"date":"2021-12-23","current":29.469252,"twenty":-46.467191,"median":10.094692,"eighty":23.650622,"marketCap":1041266540},{"date":"2021-12-31","current":29.246,"twenty":-46.467191,"median":10.094692,"eighty":23.833897,"marketCap":1033378157},{"date":"2022-01-07","current":28.706474,"twenty":-46.467191,"median":10.100615,"eighty":24.056982,"marketCap":1014314565},{"date":"2022-01-14","current":27.887884,"twenty":-46.467191,"median":10.100615,"eighty":24.280979,"marketCap":985390494},{"date":"2022-01-21","current":25.134444,"twenty":-46.467191,"median":10.100615,"eighty":24.536291,"marketCap":888100439},{"date":"2022-01-28","current":25.339091,"twenty":-46.467191,"median":10.101243,"eighty":24.929436,"marketCap":895331456},{"date":"2022-02-04","current":25.208861,"twenty":-46.467191,"median":10.101243,"eighty":25.043997,"marketCap":890729900},{"date":"2022-02-11","current":25.432113,"twenty":-46.467191,"median":10.101243,"eighty":25.208861,"marketCap":898618283},{"date":"2022-02-18","current":19.202853,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":949235406},{"date":"2022-02-25","current":18.793398,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":928995247},{"date":"2022-03-04","current":19.511617,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":964498250},{"date":"2022-03-11","current":19.923928,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":984879603},{"date":"2022-03-18","current":19.578119,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":967785565},{"date":"2022-03-25","current":19.223543,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":950258183},{"date":"2022-04-01","current":19.116968,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":944989947},{"date":"2022-04-08","current":18.743954,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":926551119},{"date":"2022-04-14","current":18.477515,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":913380527},{"date":"2022-04-22","current":18.677344,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":923258471},{"date":"2022-04-29","current":18.397584,"twenty":-46.467191,"median":10.101243,"eighty":25.231186,"marketCap":909429349},{"date":"2022-05-06","current":18.039344,"twenty":-45.58676,"median":10.113719,"eighty":25.231186,"marketCap":932183076},{"date":"2022-05-13","current":18.000989,"twenty":-40.988954,"median":10.190285,"eighty":25.231186,"marketCap":930201113},{"date":"2022-05-20","current":18.384533,"twenty":-39.228092,"median":10.232895,"eighty":25.231186,"marketCap":950020739},{"date":"2022-05-27","current":18.972633,"twenty":-37.858532,"median":10.269266,"eighty":25.231186,"marketCap":980410832},{"date":"2022-06-03","current":18.934279,"twenty":-37.271579,"median":10.304757,"eighty":25.231186,"marketCap":978428870},{"date":"2022-06-10","current":19.036557,"twenty":-36.684624,"median":10.332997,"eighty":25.231186,"marketCap":983714103},{"date":"2022-06-17","current":17.093269,"twenty":-36.195496,"median":10.430827,"eighty":25.231186,"marketCap":883294665},{"date":"2022-06-24","current":16.952636,"twenty":-19.188575,"median":10.501671,"eighty":25.234907,"marketCap":876027469},{"date":"2022-07-01","current":16.543523,"twenty":-18.635715,"median":10.553789,"eighty":25.234907,"marketCap":854886534},{"date":"2022-07-08","current":15.686942,"twenty":-18.480418,"median":10.636451,"eighty":25.234907,"marketCap":810622703},{"date":"2022-07-15","current":15.086056,"twenty":-18.287849,"median":10.783191,"eighty":25.234907,"marketCap":779571956},{"date":"2022-07-22","current":15.482385,"twenty":-18.169822,"median":10.848449,"eighty":25.234907,"marketCap":800052236},{"date":"2022-07-29","current":16.530738,"twenty":-18.014525,"median":11.023267,"eighty":25.234907,"marketCap":854225880},{"date":"2022-08-05","current":14.250787,"twenty":-17.766048,"median":11.215567,"eighty":25.234907,"marketCap":648938104},{"date":"2022-08-12","current":15.13602,"twenty":-17.561056,"median":11.582431,"eighty":25.234907,"marketCap":689248923},{"date":"2022-08-19","current":14.831267,"twenty":-17.356063,"median":11.857579,"eighty":25.234907,"marketCap":675371428},{"date":"2022-08-26","current":14.497491,"twenty":-17.082739,"median":12.391011,"eighty":25.234907,"marketCap":660172266},{"date":"2022-09-02","current":13.684819,"twenty":-16.834263,"median":12.600103,"eighty":25.234907,"marketCap":623165613},{"date":"2022-09-09","current":14.207251,"twenty":-16.616846,"median":12.742723,"eighty":25.234907,"marketCap":646955604},{"date":"2022-09-16","current":14.221763,"twenty":-16.616846,"median":12.791014,"eighty":25.234907,"marketCap":647616438},{"date":"2022-09-23","current":11.928867,"twenty":-16.36837,"median":12.863742,"eighty":25.234907,"marketCap":543204808},{"date":"2022-09-30","current":11.000099,"twenty":-15.324994,"median":12.863742,"eighty":25.234907,"marketCap":500911489},{"date":"2022-10-07","current":10.913027,"twenty":-15.053755,"median":12.863742,"eighty":25.234907,"marketCap":496946491},{"date":"2022-10-14","current":10.753395,"twenty":-14.782516,"median":12.863742,"eighty":25.234907,"marketCap":489677327},{"date":"2022-10-21","current":10.782419,"twenty":-14.646897,"median":12.863742,"eighty":25.234907,"marketCap":490998993},{"date":"2022-10-28","current":11.188755,"twenty":-14.511277,"median":12.863742,"eighty":25.234907,"marketCap":509502320},{"date":"2022-11-04","current":20.589983,"twenty":-14.375658,"median":12.981924,"eighty":25.234907,"marketCap":449294021},{"date":"2022-11-11","current":22.045534,"twenty":-14.240038,"median":13.091016,"eighty":25.234907,"marketCap":481055601},{"date":"2022-11-18","current":20.771927,"twenty":-14.023048,"median":13.279144,"eighty":25.234907,"marketCap":453264219},{"date":"2022-11-25","current":21.742294,"twenty":-13.751809,"median":13.525187,"eighty":25.234907,"marketCap":474438606},{"date":"2022-12-02","current":21.924238,"twenty":-13.589065,"median":13.709203,"eighty":25.234907,"marketCap":478408803},{"date":"2022-12-09","current":20.256419,"twenty":-13.426322,"median":13.887987,"eighty":25.234907,"marketCap":442015326},{"date":"2022-12-16","current":20.165447,"twenty":-13.290703,"median":14.04128,"eighty":25.234907,"marketCap":440030227},{"date":"2022-12-23","current":17.405965,"twenty":-13.032248,"median":14.076643,"eighty":25.234907,"marketCap":379815564},{"date":"2022-12-30","current":18.042769,"twenty":-10.017987,"median":14.149203,"eighty":25.234907,"marketCap":393711256},{"date":"2023-01-06","current":17.860825,"twenty":-9.954555,"median":14.221763,"eighty":25.234907,"marketCap":389741058},{"date":"2023-01-13","current":19.407348,"twenty":-9.954555,"median":14.265299,"eighty":25.234907,"marketCap":423487737},{"date":"2023-01-20","current":20.317067,"twenty":-9.954555,"median":14.410419,"eighty":25.234907,"marketCap":443338725},{"date":"2023-01-27","current":20.589983,"twenty":-9.954555,"median":14.497491,"eighty":25.234907,"marketCap":449294021},{"date":"2023-02-03","current":20.923547,"twenty":-9.954555,"median":14.625508,"eighty":25.234907,"marketCap":456572717},{"date":"2023-02-10","current":19.710588,"twenty":-9.954555,"median":14.764138,"eighty":25.234907,"marketCap":430104733},{"date":"2023-02-17","current":-12.302677,"twenty":-10.729276,"median":14.78689,"eighty":25.234907,"marketCap":418967653},{"date":"2023-02-24","current":-11.272595,"twenty":-11.683358,"median":14.78689,"eighty":25.234907,"marketCap":383888213},{"date":"2023-03-03","current":-11.272595,"twenty":-11.683358,"median":14.78689,"eighty":25.234907,"marketCap":383888213},{"date":"2023-03-10","current":-10.767272,"twenty":-11.683358,"median":14.78689,"eighty":25.234907,"marketCap":366679431},{"date":"2023-03-17","current":-9.367915,"twenty":-11.683358,"median":14.78689,"eighty":25.234907,"marketCap":319024342},{"date":"2023-03-24","current":-9.856044,"twenty":-11.683358,"median":14.78689,"eighty":25.234907,"marketCap":335647580},{"date":"2023-03-31","current":-10.576743,"twenty":-11.614025,"median":14.785416,"eighty":25.231186,"marketCap":360190981},{"date":"2023-04-06","current":-10.265089,"twenty":-11.822024,"median":14.792165,"eighty":25.242349,"marketCap":349577618},{"date":"2023-04-13","current":-10.829961,"twenty":-11.922445,"median":14.814004,"eighty":25.24892,"marketCap":368814337},{"date":"2023-04-21","current":-10.362481,"twenty":-11.953534,"median":14.842263,"eighty":25.25177,"marketCap":352894294},{"date":"2023-04-24","current":-10.401438,"twenty":-11.953534,"median":14.842263,"eighty":25.25177,"marketCap":354220964},{"date":"2023-05-05","current":-7.62491,"twenty":-11.544692,"median":14.903962,"eighty":25.264674,"marketCap":368611014},{"date":"2023-05-12","current":-8.476702,"twenty":-11.272595,"median":14.903962,"eighty":25.264674,"marketCap":409789181},{"date":"2023-05-19","current":-9.410925,"twenty":-11.08318,"median":14.903962,"eighty":25.264674,"marketCap":454952333},{"date":"2023-05-26","current":-9.081199,"twenty":-10.810907,"median":14.912671,"eighty":25.279557,"marketCap":439012397},{"date":"2023-05-31","current":-8.792689,"twenty":-10.771159,"median":14.912671,"eighty":25.279557,"marketCap":425064953},{"date":"2023-06-09","current":-9.905513,"twenty":-10.362481,"median":14.932475,"eighty":25.339091,"marketCap":478862236},{"date":"2023-06-16","current":-10.276455,"twenty":-10.276455,"median":14.932475,"eighty":25.339091,"marketCap":496794664},{"date":"2023-06-23","current":-10.661135,"twenty":-10.267362,"median":14.93992,"eighty":25.339091,"marketCap":515391256},{"date":"2023-06-29","current":-11.087031,"twenty":-10.22245,"median":14.947364,"eighty":25.339091,"marketCap":535980339},{"date":"2023-07-07","current":-11.128247,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":537972831},{"date":"2023-07-14","current":-11.279371,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":545278635},{"date":"2023-07-21","current":-11.045815,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":533987847},{"date":"2023-07-28","current":-11.210678,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":541957815},{"date":"2023-08-04","current":-13.633532,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":580474906},{"date":"2023-08-11","current":-13.102559,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":557867636},{"date":"2023-08-18","current":-13.399279,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":570501111},{"date":"2023-08-25","current":-13.664766,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":581804746},{"date":"2023-09-01","current":-13.789701,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":587124103},{"date":"2023-09-08","current":-12.634052,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":537920045},{"date":"2023-09-15","current":-12.024994,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":511988176},{"date":"2023-09-22","current":-12.4935,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":531935768},{"date":"2023-09-29","current":-12.274864,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":522626892},{"date":"2023-10-06","current":-12.009377,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":511323256},{"date":"2023-10-13","current":-12.649669,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":538584965},{"date":"2023-10-20","current":-12.352949,"twenty":-10.194024,"median":14.947364,"eighty":25.339091,"marketCap":525951490},{"date":"2023-10-27","current":-11.915676,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":507333738},{"date":"2023-11-03","current":-11.99376,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":510658337},{"date":"2023-11-10","current":-10.981678,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":426319712},{"date":"2023-11-17","current":-11.118949,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":431648708},{"date":"2023-11-24","current":-11.822462,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":458959814},{"date":"2023-12-01","current":-11.530762,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":447635697},{"date":"2023-12-08","current":-11.994051,"twenty":-10.180285,"median":14.952786,"eighty":25.339091,"marketCap":465621060},{"date":"2023-12-15","current":-12.7662,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":495596665},{"date":"2023-12-22","current":-12.834836,"twenty":-10.123467,"median":14.958208,"eighty":25.357695,"marketCap":498261163},{"date":"2023-12-29","current":-13.212331,"twenty":-10.085889,"median":14.960195,"eighty":25.3763,"marketCap":512915903},{"date":"2024-01-05","current":-13.555508,"twenty":-10.042857,"median":14.962182,"eighty":25.394904,"marketCap":526238394},{"date":"2024-01-12","current":-12.783359,"twenty":-10.042857,"median":14.962182,"eighty":25.394904,"marketCap":496262789},{"date":"2024-01-19","current":-12.217116,"twenty":-9.999317,"median":14.963198,"eighty":25.413509,"marketCap":474280679},{"date":"2024-01-26","current":-13.53835,"twenty":-10.042857,"median":14.962182,"eighty":25.394904,"marketCap":525572269},{"date":"2024-02-02","current":-13.418238,"twenty":-10.042857,"median":14.962182,"eighty":25.394904,"marketCap":520909398},{"date":"2024-02-09","current":-13.641303,"twenty":-10.042857,"median":14.962182,"eighty":25.394904,"marketCap":529569017},{"date":"2024-02-16","current":45.746365,"twenty":-9.956673,"median":14.981986,"eighty":25.469322,"marketCap":636148945},{"date":"2024-02-23","current":41.01069,"twenty":-9.860996,"median":15.013471,"eighty":25.600995,"marketCap":570294651},{"date":"2024-03-01","current":42.831258,"twenty":-9.440366,"median":15.111038,"eighty":25.923267,"marketCap":595611470},{"date":"2024-03-08","current":42.352161,"twenty":-9.152639,"median":15.224589,"eighty":26.174662,"marketCap":588949149},{"date":"2024-03-15","current":41.416105,"twenty":-8.548142,"median":15.351323,"eighty":26.60302,"marketCap":575932353},{"date":"2024-03-22","current":40.984187,"twenty":-8.014583,"median":15.488778,"eighty":26.946703,"marketCap":569926106},{"date":"2024-03-28","current":41.800032,"twenty":7.690245,"median":15.565537,"eighty":27.441545,"marketCap":581271239},{"date":"2024-04-05","current":40.60026,"twenty":8.158398,"median":15.694942,"eighty":27.525524,"marketCap":564587219},{"date":"2024-04-12","current":38.776608,"twenty":8.303349,"median":15.840359,"eighty":27.661528,"marketCap":539227510},{"date":"2024-04-19","current":35.417248,"twenty":8.373866,"median":16.530738,"eighty":27.809907,"marketCap":492512255},{"date":"2024-04-26","current":34.505422,"twenty":8.473765,"median":16.805611,"eighty":27.893094,"marketCap":479832400},{"date":"2024-05-03","current":33.25766,"twenty":8.500209,"median":16.907889,"eighty":27.930834,"marketCap":462481020},{"date":"2024-05-10","current":16.119744,"twenty":8.500209,"median":16.684156,"eighty":27.865135,"marketCap":615145548},{"date":"2024-05-17","current":16.857249,"twenty":8.500209,"median":16.53713,"eighty":27.762176,"marketCap":643289462},{"date":"2024-05-24","current":16.084625,"twenty":8.500209,"median":16.410574,"eighty":27.64403,"marketCap":613805362},{"date":"2024-05-31","current":16.102184,"twenty":8.500209,"median":16.163643,"eighty":27.497193,"marketCap":614475455},{"date":"2024-06-07","current":16.154863,"twenty":8.500209,"median":16.093404,"eighty":27.256674,"marketCap":616485734},{"date":"2024-06-14","current":16.137304,"twenty":8.49727,"median":16.067065,"eighty":26.807238,"marketCap":615815641},{"date":"2024-06-21","current":15.522716,"twenty":8.494332,"median":15.902651,"eighty":26.388841,"marketCap":592362379},{"date":"2024-06-28","current":15.610515,"twenty":8.487476,"median":15.814789,"eighty":26.0999,"marketCap":595712845},{"date":"2024-07-05","current":15.066166,"twenty":8.487476,"median":15.733432,"eighty":25.923267,"marketCap":574939957},{"date":"2024-07-12","current":15.136404,"twenty":8.487476,"median":15.635529,"eighty":25.588111,"marketCap":577620329},{"date":"2024-07-15","current":15.241762,"twenty":8.487476,"median":15.625627,"eighty":25.556167,"marketCap":581640888},{"date":"2024-08-02","current":15.83879,"twenty":8.43263,"median":15.524228,"eighty":25.253195,"marketCap":604424057},{"date":"2024-08-09","current":13.574597,"twenty":8.43263,"median":15.426139,"eighty":25.253195,"marketCap":598653286},{"date":"2024-08-16","current":13.78789,"twenty":8.43263,"median":15.385359,"eighty":25.253195,"marketCap":608059735},{"date":"2024-08-23","current":13.346068,"twenty":8.43263,"median":15.259247,"eighty":25.253195,"marketCap":588574947},{"date":"2024-08-30","current":14.945768,"twenty":8.43263,"median":15.216771,"eighty":25.253195,"marketCap":659123315},{"date":"2024-09-06","current":13.970713,"twenty":8.43263,"median":15.159061,"eighty":25.253195,"marketCap":616122405},{"date":"2024-09-13","current":14.580122,"twenty":8.43263,"median":15.066166,"eighty":25.253195,"marketCap":642997973},{"date":"2024-09-20","current":15.722765,"twenty":8.43263,"median":15.025688,"eighty":25.253195,"marketCap":693389664},{"date":"2024-09-27","current":16.118881,"twenty":8.43263,"median":15.025688,"eighty":25.253195,"marketCap":710858784},{"date":"2024-10-04","current":17.170113,"twenty":8.43263,"median":15.025688,"eighty":25.253195,"marketCap":757219139},{"date":"2024-10-11","current":17.611935,"twenty":8.43263,"median":15.025688,"eighty":25.253195,"marketCap":776703926},{"date":"2024-10-18","current":18.29752,"twenty":8.43263,"median":15.025688,"eighty":25.253195,"marketCap":806938941},{"date":"2024-10-25","current":17.886169,"twenty":8.43263,"median":15.025688,"eighty":25.253195,"marketCap":788797932},{"date":"2024-10-31","current":17.474817,"twenty":8.43263,"median":15.025688,"eighty":25.253195,"marketCap":770656923},{"date":"2024-11-08","current":14.090179,"twenty":8.429692,"median":14.996563,"eighty":25.255491,"marketCap":832828189},{"date":"2024-11-15","current":13.805644,"twenty":8.429692,"median":14.976388,"eighty":25.255491,"marketCap":816010172},{"date":"2024-11-22","current":14.02189,"twenty":8.429692,"median":14.947364,"eighty":25.255491,"marketCap":828791865},{"date":"2024-11-29","current":14.374714,"twenty":8.429692,"median":14.91834,"eighty":25.212582,"marketCap":849646206},{"date":"2024-12-06","current":14.443002,"twenty":8.429692,"median":14.894284,"eighty":24.893233,"marketCap":853682530},{"date":"2024-12-13","current":13.634922,"twenty":8.429692,"median":14.78689,"eighty":24.280979,"marketCap":805919362},{"date":"2024-12-20","current":13.145522,"twenty":8.429692,"median":14.702004,"eighty":23.831926,"marketCap":776992373},{"date":"2024-12-27","current":13.361769,"twenty":8.429692,"median":14.609615,"eighty":23.64212,"marketCap":789774066},{"date":"2025-01-03","current":13.270718,"twenty":8.429692,"median":14.512003,"eighty":23.562493,"marketCap":784392301},{"date":"2025-01-10","current":12.940657,"twenty":8.426754,"median":14.492916,"eighty":23.430984,"marketCap":764883401},{"date":"2025-01-17","current":13.680448,"twenty":8.426754,"median":14.443002,"eighty":23.357211,"marketCap":808610245},{"date":"2025-01-24","current":13.737355,"twenty":8.426754,"median":14.432935,"eighty":23.286646,"marketCap":811973848},{"date":"2025-01-31","current":12.690266,"twenty":8.426754,"median":14.378389,"eighty":23.148722,"marketCap":750083547},{"date":"2025-02-07","current":13.043089,"twenty":8.426754,"median":14.289396,"eighty":23.033251,"marketCap":770937887},{"date":"2025-02-14","current":12.656122,"twenty":8.426754,"median":14.252998,"eighty":22.876082,"marketCap":748065385},{"date":"2025-02-21","current":10.208579,"twenty":8.426754,"median":14.247232,"eighty":22.850422,"marketCap":584594262},{"date":"2025-02-28","current":9.493457,"twenty":8.426754,"median":14.247232,"eighty":22.850422,"marketCap":543642826},{"date":"2025-03-07","current":9.375964,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":536914573},{"date":"2025-03-14","current":9.211473,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":527495019},{"date":"2025-03-21","current":10.962123,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":627745986},{"date":"2025-03-28","current":10.562646,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":604869926},{"date":"2025-04-04","current":10.069174,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":576611264},{"date":"2025-04-11","current":10.070278,"twenty":8.426754,"median":14.247232,"eighty":22.850422,"marketCap":576674448},{"date":"2025-04-17","current":10.105043,"twenty":8.426754,"median":14.247232,"eighty":22.850422,"marketCap":578665269},{"date":"2025-04-25","current":10.499047,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":601227905},{"date":"2025-05-02","current":11.080726,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":634537756},{"date":"2025-05-09","current":10.317141,"twenty":8.423815,"median":14.249518,"eighty":22.856837,"marketCap":718661121},{"date":"2025-05-16","current":11.029005,"twenty":8.485518,"median":14.249518,"eighty":22.856837,"marketCap":768247380},{"date":"2025-05-23","current":10.424409,"twenty":8.638304,"median":14.249518,"eighty":22.856837,"marketCap":726133023},{"date":"2025-05-30","current":11.009502,"twenty":8.638304,"median":14.249518,"eighty":22.856837,"marketCap":766888852},{"date":"2025-06-06","current":11.233787,"twenty":8.638304,"median":14.249518,"eighty":22.856837,"marketCap":782511920},{"date":"2025-06-13","current":11.350806,"twenty":8.638304,"median":14.249518,"eighty":22.856837,"marketCap":790663086},{"date":"2025-06-20","current":11.526334,"twenty":8.633407,"median":14.250153,"eighty":22.863252,"marketCap":802889835},{"date":"2025-06-27","current":11.721365,"twenty":8.655933,"median":14.250153,"eighty":22.863252,"marketCap":816475111},{"date":"2025-07-03","current":11.760371,"twenty":8.67748,"median":14.250153,"eighty":22.863252,"marketCap":819192166},{"date":"2025-07-11","current":10.911986,"twenty":8.752649,"median":14.250153,"eighty":22.863252,"marketCap":760096214},{"date":"2025-07-18","current":11.077762,"twenty":8.830268,"median":14.250153,"eighty":22.863252,"marketCap":771643699},{"date":"2025-07-25","current":11.097266,"twenty":9.011959,"median":14.250153,"eighty":22.863252,"marketCap":773002227},{"date":"2025-08-01","current":10.804719,"twenty":9.121632,"median":14.250153,"eighty":22.863252,"marketCap":752624312},{"date":"2025-08-08","current":10.700303,"twenty":9.131717,"median":14.250153,"eighty":22.863252,"marketCap":766986995},{"date":"2025-08-15","current":10.785677,"twenty":9.131717,"median":14.250153,"eighty":22.863252,"marketCap":773106572},{"date":"2025-08-22","current":10.89951,"twenty":9.131717,"median":14.250153,"eighty":22.863252,"marketCap":781266008},{"date":"2025-08-29","current":11.326384,"twenty":9.131717,"median":14.250153,"eighty":22.863252,"marketCap":811863893},{"date":"2025-09-05","current":11.07026,"twenty":9.211473,"median":14.250787,"eighty":22.869667,"marketCap":793505162},{"date":"2025-09-12","current":11.639425,"twenty":9.305468,"median":14.250153,"eighty":22.863252,"marketCap":834302343},{"date":"2025-09-19","current":11.639425,"twenty":9.339645,"median":14.250153,"eighty":22.863252,"marketCap":834302343},{"date":"2025-09-26","current":11.155635,"twenty":9.467313,"median":14.250153,"eighty":22.863252,"marketCap":799624739},{"date":"2025-10-03","current":11.250496,"twenty":9.684592,"median":14.250153,"eighty":22.863252,"marketCap":806424269},{"date":"2025-10-10","current":11.013343,"twenty":9.703101,"median":14.250153,"eighty":22.863252,"marketCap":789425444},{"date":"2025-10-17","current":10.605442,"twenty":9.703101,"median":14.250153,"eighty":22.863252,"marketCap":760187465},{"date":"2025-10-24","current":10.396748,"twenty":9.703101,"median":14.250153,"eighty":22.863252,"marketCap":745228498},{"date":"2025-10-31","current":10.814136,"twenty":9.703101,"median":14.250153,"eighty":22.863252,"marketCap":775146431},{"date":"2025-11-07","current":10.09197,"twenty":9.891379,"median":14.250153,"eighty":22.863252,"marketCap":812918247},{"date":"2025-11-14","current":10.356894,"twenty":9.895955,"median":14.250153,"eighty":22.863252,"marketCap":834258185},{"date":"2025-11-21","current":9.653188,"twenty":9.807108,"median":14.250153,"eighty":22.863252,"marketCap":777573976},{"date":"2025-11-28","current":10.572145,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":851596884},{"date":"2025-12-05","current":10.671492,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":859599361},{"date":"2025-12-12","current":11.491102,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":925619793},{"date":"2025-12-19","current":11.126831,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":896277379},{"date":"2025-12-26","current":11.201341,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":902279236},{"date":"2026-01-02","current":10.861907,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":874937441},{"date":"2026-01-09","current":10.845349,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":873603695},{"date":"2026-01-16","current":12.78261,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":1029651989},{"date":"2026-01-23","current":13.039255,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":1050325053},{"date":"2026-01-30","current":12.641868,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":1018315147},{"date":"2026-02-06","current":12.327271,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":992973971},{"date":"2026-02-13","current":14.052499,"twenty":9.792274,"median":14.250153,"eighty":22.863252,"marketCap":1131942882},{"date":"2026-02-20","current":13.994466,"twenty":9.792274,"median":14.236275,"eighty":22.863252,"marketCap":1127268192},{"date":"2026-02-27","current":15.370609,"twenty":9.792274,"median":14.230818,"eighty":22.863252,"marketCap":1129263294},{"date":"2026-03-06","current":15.388789,"twenty":9.792274,"median":14.230818,"eighty":22.863252,"marketCap":1130598910},{"date":"2026-03-13","current":15.406968,"twenty":9.792274,"median":14.230818,"eighty":22.863252,"marketCap":1131934526},{"date":"2026-03-18","current":15.406968,"twenty":9.792274,"median":14.230818,"eighty":22.863252,"marketCap":1131934526}],"updateTime":1773990297185},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"GLDD\",pageSize:20,pageCount:5,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"14813691","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459022017416-GLDD","pdf_url":"","pub_time":1651507200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"GLDD","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022017416/0001564590-22-017416-index.htm","us_notice_code":"Form 10-Q","us_title_en":"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/1372020/000156459022017416/gldd-10q_20220331.htm","primary":true,"translateUrl":"","linkName":"gldd-10q_20220331.htm","type":"10-Q","id":"NTFILE8454GMBLf2NK7VXV","market":"us","size":1528968},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022017416/gldd-ex311_7.htm","primary":false,"translateUrl":"","linkName":"gldd-ex311_7.htm","type":"EX-31.1","id":"NTFILEC8S822ciwzxd3KPb","market":"us","size":16098},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022017416/gldd-ex312_11.htm","primary":false,"translateUrl":"","linkName":"gldd-ex312_11.htm","type":"EX-31.2","id":"NTFILE2TSVbB4wh8UCr172","market":"us","size":16111},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022017416/gldd-ex321_6.htm","primary":false,"translateUrl":"","linkName":"gldd-ex321_6.htm","type":"EX-32.1","id":"NTFILE85j3BjWd6wU5xwME","market":"us","size":7281},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022017416/gldd-ex322_10.htm","primary":false,"translateUrl":"","linkName":"gldd-ex322_10.htm","type":"EX-32.2","id":"NTFILEGkwN1eJxZ68QR7Z4","market":"us","size":7416},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022017416/g5qtkmconk1f000001.jpg","primary":false,"translateUrl":"","linkName":"g5qtkmconk1f000001.jpg","type":"GRAPHIC","id":"NTFILEFQHKyAdXNfXbsRoM","market":"us","size":20289}],"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":"2022-05-03 00:00","pubTimestamp":1651507200,"title_zh":"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":"14789504","market":"us","labels":[],"media":"sec.gov","original_id":"AN117184322003081-GLDD","pdf_url":"","pub_time":1651507200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"GLDD","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000117184322003081/0001171843-22-003081-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000117184322003081/exh_991.htm","primary":true,"translateUrl":"","linkName":"exh_991.htm","type":"EX-99.1","id":"NTFILE4SSD3Huj82im8SfU","market":"us","size":66221},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000117184322003081/f8k_050222.htm","primary":false,"translateUrl":"","linkName":"f8k_050222.htm","type":"8-K","id":"NTFILEG2hkQ8os17SvXbSL","market":"us","size":16266}],"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":"2022-05-03 00:00","pubTimestamp":1651507200,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14257050","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459022006231-GLDD","pdf_url":"","pub_time":1645545600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"GLDD","title":"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/1372020/000156459022006231/0001564590-22-006231-index.htm","us_notice_code":"Form 10-K","us_title_en":"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/1372020/000156459022006231/gldd-10k_20211231.htm","primary":true,"translateUrl":"","linkName":"gldd-10k_20211231.htm","type":"10-K","id":"NTFILEE4w4ZX7qE2iFAGYL","market":"us","size":3881886},{"description":"EX-10.10","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex1010_1113.htm","primary":false,"translateUrl":"","linkName":"gldd-ex1010_1113.htm","type":"EX-10.10","id":"NTFILECkGVfjW8JkU6fX9b","market":"us","size":1297169},{"description":"EX-10.29","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex1029_1112.htm","primary":false,"translateUrl":"","linkName":"gldd-ex1029_1112.htm","type":"EX-10.29","id":"NTFILEGDy1hzFbJADacKfs","market":"us","size":1081819},{"description":"EX-21.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex211_9.htm","primary":false,"translateUrl":"","linkName":"gldd-ex211_9.htm","type":"EX-21.1","id":"NTFILE4zk2BG4PvKKGqpTX","market":"us","size":13493},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex231_7.htm","primary":false,"translateUrl":"","linkName":"gldd-ex231_7.htm","type":"EX-23.1","id":"NTFILE8Qj2pkipZ4Kz8n1o","market":"us","size":3409},{"description":"EX-31.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex311_10.htm","primary":false,"translateUrl":"","linkName":"gldd-ex311_10.htm","type":"EX-31.1","id":"NTFILE9i2QpjpuEiDwbKzR","market":"us","size":16299},{"description":"EX-31.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex312_12.htm","primary":false,"translateUrl":"","linkName":"gldd-ex312_12.htm","type":"EX-31.2","id":"NTFILE5hqWHogRhNkjeoFn","market":"us","size":16257},{"description":"EX-32.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex321_11.htm","primary":false,"translateUrl":"","linkName":"gldd-ex321_11.htm","type":"EX-32.1","id":"NTFILEV3pZAgybXnUErswp","market":"us","size":7442},{"description":"EX-32.2","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/gldd-ex322_8.htm","primary":false,"translateUrl":"","linkName":"gldd-ex322_8.htm","type":"EX-32.2","id":"NTFILE4daq5MosDMP3BfTc","market":"us","size":8082},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/grlpga4pwdti000001.jpg","primary":false,"translateUrl":"","linkName":"grlpga4pwdti000001.jpg","type":"GRAPHIC","id":"NTFILEEBvdBiHeqkjXBRog","market":"us","size":27347},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022006231/grlpga4pwdti000002.jpg","primary":false,"translateUrl":"","linkName":"grlpga4pwdti000002.jpg","type":"GRAPHIC","id":"NTFILE7GPnaNj5xQq6ein9","market":"us","size":479898}],"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":"2022-02-23 00:00","pubTimestamp":1645545600,"title_zh":"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":"14257051","market":"us","labels":[],"media":"sec.gov","original_id":"AN117184322001075-GLDD","pdf_url":"","pub_time":1644940800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"GLDD","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000117184322001075/0001171843-22-001075-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000117184322001075/exh_991.htm","primary":true,"translateUrl":"","linkName":"exh_991.htm","type":"EX-99.1","id":"NTFILEELjfVJPr4N6YAc26","market":"us","size":98488},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000117184322001075/f8k_021522.htm","primary":false,"translateUrl":"","linkName":"f8k_021522.htm","type":"8-K","id":"NTFILE1fmjRkKFcuMrTqY2","market":"us","size":15971}],"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":"2022-02-16 00:00","pubTimestamp":1644940800,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14257053","market":"us","labels":[],"media":"sec.gov","original_id":"AN113777422000021-GLDD","pdf_url":"","pub_time":1644768000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"GLDD","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000113777422000021/0001137774-22-000021-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1137774/000113777422000021/greatfinal.htm","primary":true,"translateUrl":"","linkName":"greatfinal.htm","type":"SC 13G/A","id":"NTFILE5zabRwFL12ksC1od","market":"us","size":8266}],"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":"2022-02-14 00:00","pubTimestamp":1644768000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14257052","market":"us","labels":[],"media":"sec.gov","original_id":"AN107261322000279-GLDD","pdf_url":"","pub_time":1644768000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"GLDD","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000107261322000279/0001072613-22-000279-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"ASHFORD CAPITAL MANAGEMENT, INC. -- SCH 13GA(#1E)","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/897070/000107261322000279/ashford-sch13g_18592.htm","primary":true,"translateUrl":"","linkName":"ashford-sch13g_18592.htm","type":"SC 13G/A","id":"NTFILEB3Ci3YtZAhFxjStv","market":"us","size":59565}],"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":"2022-02-14 00:00","pubTimestamp":1644768000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14175271","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312522037212-GLDD","pdf_url":"","pub_time":1644508800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"GLDD","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000119312522037212/0001193125-22-037212-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000119312522037212/d301336dsc13ga.htm","primary":true,"translateUrl":"","linkName":"d301336dsc13ga.htm","type":"SC 13G/A","id":"NTFILE3z9So1ZjAUPXqimp","market":"us","size":42020}],"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":"2022-02-11 00:00","pubTimestamp":1644508800,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14155021","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922017675-GLDD","pdf_url":"","pub_time":1644422400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"GLDD","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000110465922017675/0001104659-22-017675-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/102909/000110465922017675/tv01017-greatlakesdredgedock.htm","primary":true,"translateUrl":"","linkName":"tv01017-greatlakesdredgedock.htm","type":"SC 13G/A","id":"NTFILE8ZmHXBMiCS8Xwry4","market":"us","size":11497}],"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":"2022-02-10 00:00","pubTimestamp":1644422400,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14155022","market":"us","labels":[],"media":"sec.gov","original_id":"AN35420422001761-GLDD","pdf_url":"","pub_time":1644249600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"GLDD","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000035420422001761/0000354204-22-001761-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SEC SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/354204/000035420422001761/SEC13G_Filing.htm","primary":true,"translateUrl":"","linkName":"SEC13G_Filing.htm","type":"SC 13G/A","id":"NTFILE3tz112Hrjw8ezKmV","market":"us","size":17701}],"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":"2022-02-08 00:00","pubTimestamp":1644249600,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14155025","market":"us","labels":[],"media":"sec.gov","original_id":"AN102387522000011-GLDD","pdf_url":"","pub_time":1643644800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"GLDD","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000102387522000011/0001023875-22-000011-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1023875/000102387522000011/grea21in1.htm","primary":true,"translateUrl":"","linkName":"grea21in1.htm","type":"SC 13G","id":"NTFILEBc1krw9N9S61AFmu","market":"us","size":103270}],"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":"2022-02-01 00:00","pubTimestamp":1643644800,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14100165","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459022003058-GLDD","pdf_url":"","pub_time":1643299200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"GLDD","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022003058/0001564590-22-003058-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","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"GRAPHIC","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022003058/g5tlyn0f0cao000001.jpg","primary":true,"translateUrl":"","linkName":"g5tlyn0f0cao000001.jpg","type":"GRAPHIC","id":"NTFILE3NHRuUpSYxeUbkec","market":"us","size":23480},{"description":"8-K-01-25-2022-CAO-TREAS","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459022003058/gldd-8k_20220125.htm","primary":false,"translateUrl":"","linkName":"gldd-8k_20220125.htm","type":"8-K","id":"NTFILEJA2FMFeRPueUFWxN","market":"us","size":34502}],"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":"2022-01-28 00:00","pubTimestamp":1643299200,"title_zh":"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":"13610459","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919121064730-GLDD","pdf_url":"","pub_time":1636992000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"GLDD","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121064730/0001209191-21-064730-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121064730/xslF345X03/doc4.xml","primary":true,"translateUrl":"","linkName":"doc4.html","type":"4","id":"NTFILE5aznkVVCXnB8rqw6","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-11-16 00:00","pubTimestamp":1636992000,"title_zh":"4  - Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13610460","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919121062560-GLDD","pdf_url":"","pub_time":1635782400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"GLDD","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121062560/0001209191-21-062560-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121062560/xslF345X03/doc4.xml","primary":true,"translateUrl":"","linkName":"doc4.html","type":"4","id":"NTFILE26bwex3e7hXaogeM","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-11-02 00:00","pubTimestamp":1635782400,"title_zh":"4  - Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13610463","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919121061527-GLDD","pdf_url":"","pub_time":1635091200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"GLDD","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121061527/0001209191-21-061527-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121061527/xslF345X03/doc4.xml","primary":true,"translateUrl":"","linkName":"doc4.html","type":"4","id":"NTFILEEBZ7vimKcbYU2HVx","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-10-25 00:00","pubTimestamp":1635091200,"title_zh":"4  - Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13610465","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919121059443-GLDD","pdf_url":"","pub_time":1633363200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"3  - Initial statement of beneficial ownership of securities","symbol":"GLDD","title":"3  - Initial statement of beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121059443/0001209191-21-059443-index.htm","us_notice_code":"Form 3","us_title_en":"3  - Initial statement of beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 3 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121059443/xslF345X02/doc3.xml","primary":true,"translateUrl":"","linkName":"doc3.html","type":"3","id":"NTFILE79ogyKCADyorAjE9","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-10-05 00:00","pubTimestamp":1633363200,"title_zh":"3  - Initial statement of beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13610464","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919121059456-GLDD","pdf_url":"","pub_time":1633363200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"GLDD","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121059456/0001209191-21-059456-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121059456/xslF345X03/doc4.xml","primary":true,"translateUrl":"","linkName":"doc4.html","type":"4","id":"NTFILEEnAvApVL2EMUL1dx","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-10-05 00:00","pubTimestamp":1633363200,"title_zh":"4  - Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13801018","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021050073-GLDD","pdf_url":"","pub_time":1633276800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"GLDD","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021050073/0001564590-21-050073-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/1372020/000156459021050073/gldd-ex101_6.htm","primary":true,"translateUrl":"","linkName":"gldd-ex101_6.htm","type":"EX-10.1","id":"NTFILEEUrfAq1zKBAnY3ZD","market":"us","size":122717},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021050073/gldd-8k_20210929.htm","primary":false,"translateUrl":"","linkName":"gldd-8k_20210929.htm","type":"8-K","id":"NTFILE9S7j2GgXuzqkhgca","market":"us","size":39991},{"description":"EX-99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021050073/gldd-ex991_7.htm","primary":false,"translateUrl":"","linkName":"gldd-ex991_7.htm","type":"EX-99.1","id":"NTFILE84ZL66SBjcwVyNHG","market":"us","size":14391},{"description":"GRAPHIC","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021050073/gs02w2q0mkup000001.jpg","primary":false,"translateUrl":"","linkName":"gs02w2q0mkup000001.jpg","type":"GRAPHIC","id":"NTFILECj7SLWaywVqYNMQ5","market":"us","size":23480},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021050073/gylh42bq1tyu000001.jpg","primary":false,"translateUrl":"","linkName":"gylh42bq1tyu000001.jpg","type":"GRAPHIC","id":"NTFILE2ymyvtau5YqtaXdS","market":"us","size":24574}],"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":"2021-10-04 00:00","pubTimestamp":1633276800,"title_zh":"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":"13610467","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919121059134-GLDD","pdf_url":"","pub_time":1633276800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"GLDD","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121059134/0001209191-21-059134-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121059134/xslF345X03/doc4.xml","primary":true,"translateUrl":"","linkName":"doc4.html","type":"4","id":"NTFILE6fnbXPFH5eoFXgzM","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-10-04 00:00","pubTimestamp":1633276800,"title_zh":"4  - Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13610466","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919121059135-GLDD","pdf_url":"","pub_time":1633276800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"GLDD","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000120919121059135/0001209191-21-059135-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1194765/000120919121059135/xslF345X03/doc4.xml","primary":true,"translateUrl":"","linkName":"doc4.html","type":"4","id":"NTFILEH3kbuUsMZkRTAWhV","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-10-04 00:00","pubTimestamp":1633276800,"title_zh":"4  - Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13801028","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021040239-GLDD","pdf_url":"","pub_time":1627920000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"GLDD","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021040239/0001564590-21-040239-index.htm","us_notice_code":"Form 10-Q","us_title_en":"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/1372020/000156459021040239/gldd-10q_20210630.htm","primary":true,"translateUrl":"","linkName":"gldd-10q_20210630.htm","type":"10-Q","id":"NTFILE6iHW1WqTFFkC8eA7","market":"us","size":2180926},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021040239/gldd-ex311_33.htm","primary":false,"translateUrl":"","linkName":"gldd-ex311_33.htm","type":"EX-31.1","id":"NTFILEWD33MFwFUCfKvh7q","market":"us","size":16103},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021040239/gldd-ex312_34.htm","primary":false,"translateUrl":"","linkName":"gldd-ex312_34.htm","type":"EX-31.2","id":"NTFILE55uFmXZLt7GHRjua","market":"us","size":16106},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021040239/gldd-ex321_31.htm","primary":false,"translateUrl":"","linkName":"gldd-ex321_31.htm","type":"EX-32.1","id":"NTFILE4K1HWVB5ooS4gaTa","market":"us","size":7284},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021040239/gldd-ex322_32.htm","primary":false,"translateUrl":"","linkName":"gldd-ex322_32.htm","type":"EX-32.2","id":"NTFILEEBo3Bx4Fm2KpQN7G","market":"us","size":7298},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1372020/000156459021040239/gmbok4srl45k000001.jpg","primary":false,"translateUrl":"","linkName":"gmbok4srl45k000001.jpg","type":"GRAPHIC","id":"NTFILEF79S6n3JxioAkqdj","market":"us","size":20289}],"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":"2021-08-03 00:00","pubTimestamp":1627920000,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":11,"pageCount":5,"totalSize":207,"code":"91000000","status":"200"}]}}