{"transactions":[{"id":781232,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-13T14:23:30.000Z","date":"2026-05-12","kind":"grant","planned":false,"acquired":true,"shares":16760,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common stock reported refers to the reporting person's contingent right to receive one share of OIS common stock for each deferred stock unit received on the transaction (grant) date. The award will vest in full on the day before the Company's 2027 Annual Stockholders meeting. Delivery of the vested units shall be deferred until a future date elected by the reporting person in connection with the grant of the award."}],"balance_after":175613,"source":{"system":"sec-edgar","filing":"0001249072-26-000002","document":"wk-form4_1778682207.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000124907226000002/wk-form4_1778682207.xml","form_type":"4"}},{"id":822690,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2026-04-01T19:57:08.000Z","date":"2026-04-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":76962,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Includes 76,962 DSUs. At the Effective Time, each outstanding award of DSUs was canceled and converted into the right to receive an amount in cash equal to the product of the aggregate number of shares of Common Stock underlying such DSU immediately prior to the Effective Time, multiplied by the Merger Consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Includes 76,962 DSUs. At the Effective Time, each outstanding award of DSUs was canceled and converted into the right to receive an amount in cash equal to the product of the aggregate number of shares of Common Stock underlying such DSU immediately prior to the Effective Time, multiplied by the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Includes 76,962 DSUs. At the Effective Time, each outstanding award of DSUs was canceled and converted into the right to receive an amount in cash equal to the product of the aggregate number of shares of Common Stock underlying such DSU immediately prior to the Effective Time, multiplied by the Merger Consideration."}],"balance_after":0,"derivative":{"exercise_price":17,"underlying":"common stock","underlying_shares":76962},"source":{"system":"sec-edgar","filing":"0001193125-26-137836","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000119312526137836/ownership.xml","form_type":"4"}},{"id":822689,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2026-04-01T19:57:08.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":2938,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2026 and deferred pursuant to the Issuer's Director Deferral Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2026 and deferred pursuant to the Issuer's Director Deferral Plan."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2026 and deferred pursuant to the Issuer's Director Deferral Plan."}],"balance_after":76962,"derivative":{"underlying":"common stock","underlying_shares":2938},"source":{"system":"sec-edgar","filing":"0001193125-26-137836","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000119312526137836/ownership.xml","form_type":"4"}},{"id":822688,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-01T19:57:08.000Z","date":"2026-04-01","kind":"other","planned":false,"acquired":false,"shares":86217,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Agreement and Plan of Merger (the \"Merger Agreement\"), dated February 10, 2026, by and among Saltchuk Resources, Inc. (\"Parent\"), Huron MergeCo, Inc. (\"Merger Sub\"), and Great Lakes Dredge & Dock Corporation (\"Issuer\") on April 1, 2026 (the \"Effective Time\"), Merger Sub merged with and into Issuer, with Issuer surviving as a wholly owned subsidiary of Parent upon consummation of the transactions contemplated by the Merger Agreement. At the Effective Time, each outstanding share of common stock of the Issuer (\"Common Stock\") was cancelled and converted into the right to receive $17.00 in cash (the \"Merger Consideration\"), without interest and subject to any required tax withholdings."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001193125-26-137836","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000119312526137836/ownership.xml","form_type":"4"}},{"id":916902,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2026-02-06T17:17:10.000Z","date":"2026-02-05","kind":"exercise","planned":false,"acquired":false,"shares":7497,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Restricted Stock Unit Award granted under the 2021 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":37636,"derivative":{"underlying":"Common Stock","underlying_shares":7497},"source":{"system":"sec-edgar","filing":"0000717423-26-000044","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717423/000071742326000044/form4.xml","form_type":"4"}},{"id":916901,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2026-02-06T17:17:10.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":6316,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Restricted Stock Unit Award granted under the 2021 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Vest date is February 4, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Vest date is February 4, 2027."}],"balance_after":45133,"derivative":{"underlying":"Common Stock","underlying_shares":6316},"source":{"system":"sec-edgar","filing":"0000717423-26-000044","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000071742326000044/form4.xml","form_type":"4"}},{"id":916900,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-02-06T17:17:10.000Z","date":"2026-02-05","kind":"exercise","planned":false,"acquired":true,"shares":7886,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2021 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2021 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":51512,"source":{"system":"sec-edgar","filing":"0000717423-26-000044","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000071742326000044/form4.xml","form_type":"4"}},{"id":950695,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2026-01-05T23:08:04.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":3806,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 31, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 31, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 31, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":74024,"derivative":{"underlying":"Common Stock","underlying_shares":3806},"source":{"system":"sec-edgar","filing":"0001193125-26-002863","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000119312526002863/ownership.xml","form_type":"4"}},{"id":1029171,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2025-10-01T20:53:13.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":4165,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":70218,"derivative":{"underlying":"Common Stock","underlying_shares":4165},"source":{"system":"sec-edgar","filing":"0001193125-25-226894","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000119312525226894/ownership.xml","form_type":"4"}},{"id":1097696,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2025-07-01T21:09:03.000Z","date":"2025-06-30","kind":"grant","planned":false,"acquired":true,"shares":4097,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":66053,"derivative":{"underlying":"common stock","underlying_shares":4097},"source":{"system":"sec-edgar","filing":"0000950170-25-092325","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000095017025092325/ownership.xml","form_type":"4"}},{"id":1149607,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-14T16:46:57.000Z","date":"2025-05-13","kind":"grant","planned":false,"acquired":true,"shares":31185,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common stock reported refers to the reporting person's contingent right to receive one share of OIS common stock for each deferred stock unit received on the transaction (grant) date. The award will vest in full on the day before the Company's 2026 Annual Stockholders meeting. Delivery of the vested units shall be deferred until a future date elected by the reporting person in connection with the grant of the award."}],"balance_after":158853,"source":{"system":"sec-edgar","filing":"0001121484-25-000058","document":"wk-form4_1747241210.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148425000058/wk-form4_1747241210.xml","form_type":"4"}},{"id":1186181,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2025-04-02T00:45:32.000Z","date":"2025-03-31","kind":"grant","planned":false,"acquired":true,"shares":5740,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":61956,"derivative":{"underlying":"common stock","underlying_shares":5740},"source":{"system":"sec-edgar","filing":"0000950170-25-048821","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000095017025048821/ownership.xml","form_type":"4"}},{"id":1280945,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2025-02-06T23:48:26.000Z","date":"2025-02-05","kind":"grant","planned":false,"acquired":true,"shares":7497,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2021 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 5, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 5, 2026."}],"balance_after":38817,"derivative":{"underlying":"Common Stock","underlying_shares":7497},"source":{"system":"sec-edgar","filing":"0001127602-25-003454","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760225003454/form4.xml","form_type":"4"}},{"id":1314095,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-01-03T21:24:39.000Z","date":"2024-12-31","kind":"grant","planned":false,"acquired":true,"shares":4069,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":86217,"source":{"system":"sec-edgar","filing":"0000950170-25-001215","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000095017025001215/ownership.xml","form_type":"4"}},{"id":1363464,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-15T21:01:34.000Z","date":"2024-11-14","kind":"sale","planned":false,"acquired":false,"shares":15936,"price":12.0356,"value":191799.3216,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average price. The shares were sold in multiple transactions ranging from $12.000 to $12.185, inclusive. Upon request by the Commission staff, the issuer or security holder of the issuer, the reporting person will provide information regarding the number of shares disposed of at each separate price."}],"balance_after":82148,"source":{"system":"sec-edgar","filing":"0000950170-24-127554","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000095017024127554/ownership.xml","form_type":"4"}},{"id":1366389,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-13T21:19:11.000Z","date":"2024-11-12","kind":"sale","planned":false,"acquired":false,"shares":5323,"price":12.609,"value":67117.707,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average price. The shares were sold in multiple transactions ranging from $12.60 to $12.64, inclusive. Upon request by the Commission staff, the issuer or security holder of the issuer, the reporting person will provide information regarding the number of shares disposed of at each separate price."}],"balance_after":98084,"source":{"system":"sec-edgar","filing":"0000950170-24-126351","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000095017024126351/ownership.xml","form_type":"4"}},{"id":1393952,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-10-02T20:32:22.000Z","date":"2024-09-30","kind":"grant","planned":false,"acquired":true,"shares":4363,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":103407,"source":{"system":"sec-edgar","filing":"0000950170-24-111514","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000095017024111514/ownership.xml","form_type":"4"}},{"id":1465647,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-07-01T21:01:23.000Z","date":"2024-06-28","kind":"grant","planned":false,"acquired":true,"shares":5232,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":99044,"source":{"system":"sec-edgar","filing":"0000950170-24-079731","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000095017024079731/ownership.xml","form_type":"4"}},{"id":1523561,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-08T15:11:14.000Z","date":"2024-05-07","kind":"grant","planned":false,"acquired":true,"shares":33259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common stock reported refers to the reporting person's contingent right to receive one share of OIS common stock for each deferred restricted stock unit received on the transaction (grant) date. The award will vest in full on the day before the Company's 2025 Annual Stockholders meeting. Delivery of the vested shares shall be deferred until a future date elected by the reporting person in connection with the grant of the award."}],"balance_after":127668,"source":{"system":"sec-edgar","filing":"0001121484-24-000045","document":"wk-form4_1715181061.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148424000045/wk-form4_1715181061.xml","form_type":"4"}},{"id":1556071,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-01T22:27:01.000Z","date":"2024-03-28","kind":"grant","planned":false,"acquired":true,"shares":5250,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":93812,"source":{"system":"sec-edgar","filing":"0001209191-24-005148","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919124005148/doc4.xml","form_type":"4"}},{"id":1654567,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2024-02-08T22:57:14.000Z","date":"2024-02-07","kind":"grant","planned":false,"acquired":true,"shares":5268,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2021 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 7, 2025.  The reporting person has elected to defer settlement of restricted stock units in accordance with their deferral election form to either (1) following the reporting person's termination of service from the Board or (2) on a future date selected by the reporting person at the time of their deferral election."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 7, 2025.  The reporting person has elected to defer settlement of restricted stock units in accordance with their deferral election form to either (1) following the reporting person's termination of service from the Board or (2) on a future date selected by the reporting person at the time of their deferral election."}],"balance_after":31320,"derivative":{"underlying":"Common Stock","underlying_shares":5268},"source":{"system":"sec-edgar","filing":"0001127602-24-004076","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760224004076/form4.xml","form_type":"4"}},{"id":1691559,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2024-01-03T21:07:48.000Z","date":"2023-12-29","kind":"grant","planned":false,"acquired":true,"shares":5982,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 29, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 29, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 29, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":56216,"derivative":{"underlying":"Common Stock","underlying_shares":5982},"source":{"system":"sec-edgar","filing":"0001209191-24-000333","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919124000333/doc4.xml","form_type":"4"}},{"id":1770258,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2023-10-02T20:46:29.000Z","date":"2023-09-29","kind":"grant","planned":false,"acquired":true,"shares":5763,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 29, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 29, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 29, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":50234,"derivative":{"underlying":"Common Stock","underlying_shares":5763},"source":{"system":"sec-edgar","filing":"0001209191-23-051108","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919123051108/doc4.xml","form_type":"4"}},{"id":1839485,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2023-07-03T20:00:35.000Z","date":"2023-06-30","kind":"grant","planned":false,"acquired":true,"shares":5630,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":44471,"derivative":{"underlying":"Common Stock","underlying_shares":5630},"source":{"system":"sec-edgar","filing":"0001209191-23-040536","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919123040536/doc4.xml","form_type":"4"}},{"id":1898380,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-05-10T14:24:29.000Z","date":"2023-05-09","kind":"grant","planned":false,"acquired":true,"shares":21708,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common stock reported refers to the reporting person's contingent right to receive one share of OIS common stock for each deferred restricted stock unit received on the transaction (grant) date. The award will vest in full on the day before the Company's 2024 Annual Stockholders meeting. Delivery of the vested shares shall be deferred until a future date elected by the reporting person in connection with the grant of the award."}],"balance_after":94409,"source":{"system":"sec-edgar","filing":"0001121484-23-000056","document":"wf-form4_168372865285985.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148423000056/wf-form4_168372865285985.xml","form_type":"4"}},{"id":1932113,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2023-04-03T20:52:20.000Z","date":"2023-03-31","kind":"grant","planned":false,"acquired":true,"shares":8460,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2023 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":38841,"derivative":{"underlying":"Common Stock","underlying_shares":8460},"source":{"system":"sec-edgar","filing":"0001209191-23-022253","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919123022253/doc4.xml","form_type":"4"}},{"id":2034495,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2023-02-03T22:31:57.000Z","date":"2023-02-01","kind":"grant","acquired":true,"shares":4740,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2021 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 1, 2024.  The reporting person has elected to defer settlement of restricted stock units in accordance with their deferral election form to either (1) following the reporting person's termination of service from the Board or (2) on a future date selected by the reporting person at the time of their deferral election."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 1, 2024.  The reporting person has elected to defer settlement of restricted stock units in accordance with their deferral election form to either (1) following the reporting person's termination of service from the Board or (2) on a future date selected by the reporting person at the time of their deferral election."}],"balance_after":26052,"derivative":{"underlying":"Common Stock","underlying_shares":4740},"source":{"system":"sec-edgar","filing":"0001127602-23-003427","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760223003427/form4.xml","form_type":"4"}},{"id":2056378,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2023-01-11T22:37:06.000Z","date":"2022-09-30","kind":"grant","acquired":true,"shares":8956,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"shares","element":"transactionShares","label":"F6","text":"Due to an administrative error, this Amendment is being filed to correct the number of derivative securities acquired. This transaction relates to the Form 4 previously filed on October 4, 2022"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":18973,"derivative":{"underlying":"Common Stock","underlying_shares":8956},"source":{"system":"sec-edgar","filing":"0001209191-23-003050","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919123003050/doc4a.xml","form_type":"4/A","original_submission_date":"2022-04-04"}},{"id":2056377,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2023-01-11T22:37:06.000Z","date":"2022-06-30","kind":"grant","acquired":true,"shares":5179,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"shares","element":"transactionShares","label":"F4","text":"Due to an administrative error, this Amendment is being filed to correct the number of derivative securities acquired. This transaction relates to the Form 4 previously filed on July 5, 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":10017,"derivative":{"underlying":"Common Stock","underlying_shares":5179},"source":{"system":"sec-edgar","filing":"0001209191-23-003050","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919123003050/doc4a.xml","form_type":"4/A","original_submission_date":"2022-04-04"}},{"id":2056376,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2023-01-11T22:37:06.000Z","date":"2022-03-31","kind":"grant","acquired":true,"shares":4838,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"shares","element":"transactionShares","label":"F2","text":"Due to an administrative error, this Amendment is being filed to correct the number of derivative securities acquired. This transaction relates to the Form 4 previously filed on April 4, 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":4838,"derivative":{"underlying":"Common Stock","underlying_shares":4838},"source":{"system":"sec-edgar","filing":"0001209191-23-003050","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919123003050/doc4a.xml","form_type":"4/A","original_submission_date":"2022-04-04"}},{"id":2072346,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2023-01-04T00:06:22.000Z","date":"2022-12-30","kind":"grant","acquired":true,"shares":11408,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted December 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":24388,"derivative":{"underlying":"Common Stock","underlying_shares":11408},"source":{"system":"sec-edgar","filing":"0001209191-23-000443","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919123000443/doc4.xml","form_type":"4"}},{"id":2144058,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2022-10-04T20:03:47.000Z","date":"2022-09-30","kind":"grant","acquired":true,"shares":6127,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted September 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":12980,"derivative":{"underlying":"Common Stock","underlying_shares":6127},"source":{"system":"sec-edgar","filing":"0001209191-22-052165","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919122052165/doc4.xml","form_type":"4"}},{"id":2214311,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2022-07-05T21:05:08.000Z","date":"2022-06-30","kind":"grant","acquired":true,"shares":3543,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted June 30, 2022 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":6853,"derivative":{"underlying":"Common Stock","underlying_shares":3543},"source":{"system":"sec-edgar","filing":"0001209191-22-040793","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919122040793/doc4.xml","form_type":"4"}},{"id":2241011,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2022-06-07T22:52:00.000Z","date":"2022-06-07","kind":"sale","acquired":false,"shares":4614,"price":43.7,"value":201631.8,"ownership":{"direct":true},"balance_after":43626,"source":{"system":"sec-edgar","filing":"0001127602-22-017011","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760222017011/form4.xml","form_type":"4"}},{"id":2275034,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-11T19:49:53.000Z","date":"2022-05-10","kind":"grant","acquired":true,"shares":19470,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common stock reported refers to the reporting person's contingent right to receive one share of OIS common stock for each deferred restricted stock unit received on the transaction (grant) date. The award will vest in full on the day before the Company's 2023 Annual Stockholders meeting. Delivery of the vested shares shall be deferred until a future date elected by the reporting person in connection with the grant of the award."}],"balance_after":72701,"source":{"system":"sec-edgar","filing":"0001121484-22-000060","document":"wf-form4_165229858072430.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148422000060/wf-form4_165229858072430.xml","form_type":"4"}},{"id":2307779,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2022-04-04T20:29:21.000Z","date":"2022-03-31","kind":"grant","acquired":true,"shares":3310,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Deferred Stock Units (\"DSUs\") granted March 31, 2022 and deferred pursuant to the Company's Director Deferral Plan.  The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Dickerson's board service ends."}],"balance_after":3310,"derivative":{"underlying":"Common Stock","underlying_shares":3310},"source":{"system":"sec-edgar","filing":"0001209191-22-022384","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919122022384/doc4.xml","form_type":"4"}},{"id":2410955,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2022-02-07T23:52:11.000Z","date":"2022-02-04","kind":"exercise","acquired":false,"shares":7156,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Restricted Stock Unit Award granted under the 2018 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2018 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":21312,"derivative":{"underlying":"Common Stock","underlying_shares":7156},"source":{"system":"sec-edgar","filing":"0001127602-22-003625","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760222003625/form4.xml","form_type":"4"}},{"id":2410954,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2022-02-07T23:52:11.000Z","date":"2022-02-04","kind":"exercise","acquired":true,"shares":7995,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2018 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":48240,"source":{"system":"sec-edgar","filing":"0001127602-22-003625","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760222003625/form4.xml","form_type":"4"}},{"id":2412390,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2022-02-04T21:38:24.000Z","date":"2022-02-02","kind":"grant","acquired":true,"shares":6091,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2021 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 2, 2023.  The reporting person has elected to defer settlement of restricted stock units in accordance with their deferral election form to either (1) following the reporting person's termination of service from the Board or (2) on a future date selected by the reporting person at the time of their deferral election."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 2, 2023.  The reporting person has elected to defer settlement of restricted stock units in accordance with their deferral election form to either (1) following the reporting person's termination of service from the Board or (2) on a future date selected by the reporting person at the time of their deferral election."}],"balance_after":28468,"derivative":{"underlying":"Common Stock","underlying_shares":6091},"source":{"system":"sec-edgar","filing":"0001127602-22-003396","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760222003396/form4.xml","form_type":"4"}},{"id":2448221,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-01-04T22:59:13.000Z","date":"2021-12-31","kind":"grant","acquired":true,"shares":2914,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":88562,"source":{"system":"sec-edgar","filing":"0001209191-22-001079","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919122001079/doc4.xml","form_type":"4"}},{"id":2535449,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-10-25T21:09:14.000Z","date":"2021-10-21","kind":"sale","acquired":false,"shares":1518,"price":14.59,"value":22147.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 9, 2020."}],"balance_after":85648,"source":{"system":"sec-edgar","filing":"0001209191-21-061527","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121061527/doc4.xml","form_type":"4"}},{"id":2551628,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-10-04T22:05:39.000Z","date":"2021-09-30","kind":"grant","acquired":true,"shares":3036,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":87166,"source":{"system":"sec-edgar","filing":"0001209191-21-059127","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121059127/doc4.xml","form_type":"4"}},{"id":2633963,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-14T20:21:43.000Z","date":"2021-07-12","kind":"sale","acquired":false,"shares":1568,"price":14.5,"value":22736.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 9, 2020."}],"balance_after":84130,"source":{"system":"sec-edgar","filing":"0001209191-21-046670","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121046670/doc4.xml","form_type":"4"}},{"id":2644075,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-02T21:14:33.000Z","date":"2021-06-30","kind":"grant","acquired":true,"shares":3136,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":85698,"source":{"system":"sec-edgar","filing":"0001209191-21-045076","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121045076/doc4.xml","form_type":"4"}},{"id":2716882,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-12T17:33:08.000Z","date":"2021-05-11","kind":"grant","acquired":true,"shares":19470,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted common stock award under the Company's Amended and Restated Equity Participation Plan that vests on the day before the Company's 2022 Annual Stockholders meeting."}],"balance_after":53231,"source":{"system":"sec-edgar","filing":"0001121484-21-000070","document":"wf-form4_162084077396363.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148421000070/wf-form4_162084077396363.xml","form_type":"4"}},{"id":2750279,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-04-13T22:15:52.000Z","date":"2021-04-09","kind":"sale","acquired":false,"shares":1571,"price":15.42,"value":24224.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 9, 2020."}],"balance_after":82562,"source":{"system":"sec-edgar","filing":"0001209191-21-026480","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121026480/doc4.xml","form_type":"4"}},{"id":2760772,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-04-02T20:20:03.000Z","date":"2021-03-31","kind":"grant","acquired":true,"shares":3142,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":84133,"source":{"system":"sec-edgar","filing":"0001209191-21-024581","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121024581/doc4.xml","form_type":"4"}},{"id":2875750,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2021-02-09T02:04:49.000Z","date":"2021-02-05","kind":"exercise","acquired":false,"shares":8854,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"Restricted Stock Unit Award granted under the 2018 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2018 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":22377,"derivative":{"underlying":"Common Stock","underlying_shares":8854},"source":{"system":"sec-edgar","filing":"0001127602-21-004478","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760221004478/form4.xml","form_type":"4"}},{"id":2875749,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2021-02-09T02:04:49.000Z","date":"2021-02-05","kind":"exercise","acquired":false,"shares":7073,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Restricted Stock Unit award granted under the 2013 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":31231,"derivative":{"underlying":"Common Stock","underlying_shares":7073},"source":{"system":"sec-edgar","filing":"0001127602-21-004478","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760221004478/form4.xml","form_type":"4"}},{"id":2875748,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-02-09T02:04:49.000Z","date":"2021-02-05","kind":"exercise","acquired":true,"shares":9256,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2018 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":32266,"source":{"system":"sec-edgar","filing":"0001127602-21-004478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760221004478/form4.xml","form_type":"4"}},{"id":2875747,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-02-09T02:04:49.000Z","date":"2021-02-05","kind":"exercise","acquired":true,"shares":7979,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":30989,"source":{"system":"sec-edgar","filing":"0001127602-21-004478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760221004478/form4.xml","form_type":"4"}},{"id":2878274,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2021-02-05T17:06:19.000Z","date":"2021-02-03","kind":"grant","acquired":true,"shares":15221,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2018 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 3, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 3, 2022."}],"balance_after":38304,"derivative":{"underlying":"Common Stock","underlying_shares":15221},"source":{"system":"sec-edgar","filing":"0001127602-21-004132","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760221004132/form4.xml","form_type":"4"}},{"id":2906971,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-01-14T21:00:07.000Z","date":"2021-01-12","kind":"sale","acquired":false,"shares":1735,"price":14.3,"value":24810.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 9, 2020."}],"balance_after":80991,"source":{"system":"sec-edgar","filing":"0001209191-21-003576","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121003576/doc4.xml","form_type":"4"}},{"id":2925306,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-01-04T22:19:40.000Z","date":"2020-12-31","kind":"grant","acquired":true,"shares":3469,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":82726,"source":{"system":"sec-edgar","filing":"0001209191-21-000391","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919121000391/doc4.xml","form_type":"4"}},{"id":3012856,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-10-05T21:28:41.000Z","date":"2020-09-30","kind":"grant","acquired":true,"shares":4804,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":79257,"source":{"system":"sec-edgar","filing":"0001209191-20-053773","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919120053773/doc4.xml","form_type":"4"}},{"id":3091292,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-07-02T20:40:59.000Z","date":"2020-06-30","kind":"grant","acquired":true,"shares":4934,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":74453,"source":{"system":"sec-edgar","filing":"0001209191-20-040376","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919120040376/doc4.xml","form_type":"4"}},{"id":3153009,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-12T18:35:10.000Z","date":"2020-05-12","kind":"grant","acquired":true,"shares":11211,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted common stock award under the Company's 2018 Equity Participation Plan that vests on the day before the Company's 2021 Annual Stockholders meeting."}],"balance_after":33761,"source":{"system":"sec-edgar","filing":"0001121484-20-000064","document":"wf-form4_158930849054149.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148420000064/wf-form4_158930849054149.xml","form_type":"4"}},{"id":3186102,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-04-02T23:53:55.000Z","date":"2020-03-31","kind":"grant","acquired":true,"shares":5505,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":69519,"source":{"system":"sec-edgar","filing":"0001209191-20-022844","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919120022844/doc4.xml","form_type":"4"}},{"id":3287493,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2020-02-06T23:01:04.000Z","date":"2020-02-05","kind":"grant","acquired":true,"shares":8854,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2018 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 5, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 5, 2021."}],"balance_after":23083,"derivative":{"underlying":"Common Stock","underlying_shares":8854},"source":{"system":"sec-edgar","filing":"0001127602-20-004097","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760220004097/form4.xml","form_type":"4"}},{"id":3293766,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2020-02-04T19:48:06.000Z","date":"2020-01-31","kind":"exercise","acquired":false,"shares":6935,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Restricted Stock Unit Award granted under the 2013 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":14229,"derivative":{"underlying":"Common Stock","underlying_shares":6935},"source":{"system":"sec-edgar","filing":"0001127602-20-003449","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760220003449/form4.xml","form_type":"4"}},{"id":3293765,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2020-02-04T19:48:06.000Z","date":"2020-01-31","kind":"exercise","acquired":true,"shares":7775,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":23010,"source":{"system":"sec-edgar","filing":"0001127602-20-003449","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760220003449/form4.xml","form_type":"4"}},{"id":3322283,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-03T23:18:42.000Z","date":"2019-12-31","kind":"grant","acquired":true,"shares":4033,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":64014,"source":{"system":"sec-edgar","filing":"0001209191-20-001377","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919120001377/doc4.xml","form_type":"4"}},{"id":3400709,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-02T22:44:54.000Z","date":"2019-09-30","kind":"grant","acquired":true,"shares":4372,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":59981,"source":{"system":"sec-edgar","filing":"0001209191-19-051942","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919119051942/doc4.xml","form_type":"4"}},{"id":3470784,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-02T23:51:24.000Z","date":"2019-06-28","kind":"grant","acquired":true,"shares":4138,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":55609,"source":{"system":"sec-edgar","filing":"0001209191-19-040563","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919119040563/doc4.xml","form_type":"4"}},{"id":3535468,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-08T19:32:11.000Z","date":"2019-05-07","kind":"grant","acquired":true,"shares":6710,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted common stock award under the Company's 2018 Equity Participation Plan that vests on the day before the Company's 2020 Annual Stockholders meeting."}],"balance_after":22550,"source":{"system":"sec-edgar","filing":"0001121484-19-000064","document":"wf-form4_155734391700313.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148419000064/wf-form4_155734391700313.xml","form_type":"4"}},{"id":3568080,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-04-02T23:06:44.000Z","date":"2019-03-29","kind":"grant","acquired":true,"shares":5128,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":51471,"source":{"system":"sec-edgar","filing":"0001209191-19-022746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919119022746/doc4.xml","form_type":"4"}},{"id":3671425,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2019-02-07T22:47:51.000Z","date":"2019-02-06","kind":"grant","acquired":true,"shares":7156,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2018 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 6, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 6, 2022."}],"balance_after":21164,"derivative":{"underlying":"Common Stock","underlying_shares":7156},"source":{"system":"sec-edgar","filing":"0001127602-19-004632","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760219004632/form4.xml","form_type":"4"}},{"id":3678716,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2019-02-04T23:56:27.000Z","date":"2019-02-01","kind":"exercise","acquired":false,"shares":7789,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Restricted Stock Unit Award granted under the 2013 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":14008,"derivative":{"underlying":"Common Stock","underlying_shares":7789},"source":{"system":"sec-edgar","filing":"0001127602-19-003883","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760219003883/form4.xml","form_type":"4"}},{"id":3678715,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2019-02-04T23:56:27.000Z","date":"2019-02-01","kind":"exercise","acquired":true,"shares":8784,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":15235,"source":{"system":"sec-edgar","filing":"0001127602-19-003883","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760219003883/form4.xml","form_type":"4"}},{"id":3712887,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-02T23:57:14.000Z","date":"2018-12-31","kind":"grant","acquired":true,"shares":6901,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":46343,"source":{"system":"sec-edgar","filing":"0001209191-19-000481","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919119000481/doc4.xml","form_type":"4"}},{"id":3800902,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-10-02T22:55:18.000Z","date":"2018-09-28","kind":"grant","acquired":true,"shares":7369,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":39442,"source":{"system":"sec-edgar","filing":"0001209191-18-053451","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919118053451/doc4.xml","form_type":"4"}},{"id":3878520,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-07-02T20:27:24.000Z","date":"2018-06-29","kind":"grant","acquired":true,"shares":8617,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":32073,"source":{"system":"sec-edgar","filing":"0001209191-18-040348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919118040348/doc4.xml","form_type":"4"}},{"id":3941268,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-09T19:09:02.000Z","date":"2018-05-08","kind":"grant","acquired":true,"shares":3425,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted common stock award under the Company's 2001 Equity Participation Plan, as amended, that vests on the day before the Company's 2019 Annual Stockholders meeting."}],"balance_after":15840,"source":{"system":"sec-edgar","filing":"0001121484-18-000045","document":"wf-form4_152589292881572.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000112148418000045/wf-form4_152589292881572.xml","form_type":"4"}},{"id":3976157,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-04-02T23:32:15.000Z","date":"2018-03-29","kind":"grant","acquired":true,"shares":7775,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":23456,"source":{"system":"sec-edgar","filing":"0001209191-18-022587","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919118022587/doc4.xml","form_type":"4"}},{"id":4071404,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2018-02-08T20:29:01.000Z","date":"2018-02-07","kind":"grant","acquired":true,"shares":7073,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted Stock Unit Award granted under the 2013 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 7, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 7, 2021."}],"balance_after":21797,"derivative":{"underlying":"Common Stock","underlying_shares":7073},"source":{"system":"sec-edgar","filing":"0001127602-18-004562","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760218004562/form4.xml","form_type":"4"}},{"id":4077818,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2018-02-05T19:59:58.000Z","date":"2018-02-02","kind":"exercise","acquired":false,"shares":4068,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Restricted Stock Unit Award granted under the 2013 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":14724,"derivative":{"underlying":"Common Stock","underlying_shares":4068},"source":{"system":"sec-edgar","filing":"0001127602-18-003928","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760218003928/form4.xml","form_type":"4"}},{"id":4077817,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2018-02-05T19:59:58.000Z","date":"2018-02-02","kind":"exercise","acquired":true,"shares":4614,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis. Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":6451,"source":{"system":"sec-edgar","filing":"0001127602-18-003928","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760218003928/form4.xml","form_type":"4"}},{"id":4111022,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-01-03T22:41:55.000Z","date":"2017-12-29","kind":"grant","acquired":true,"shares":3588,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":15681,"source":{"system":"sec-edgar","filing":"0001209191-18-001188","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919118001188/doc4.xml","form_type":"4"}},{"id":4194103,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-10-03T22:14:01.000Z","date":"2017-09-29","kind":"grant","acquired":true,"shares":3995,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":12093,"source":{"system":"sec-edgar","filing":"0001209191-17-055374","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919117055374/doc4.xml","form_type":"4"}},{"id":4263778,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-05T22:11:43.000Z","date":"2017-06-30","kind":"grant","acquired":true,"shares":4506,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":8098,"source":{"system":"sec-edgar","filing":"0001209191-17-043621","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000120919117043621/doc4.xml","form_type":"4"}},{"id":4326789,"issuer":{"id":5425,"kind":"organization","name":"OIL STATES INTERNATIONAL, INC"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2017-05-10T18:43:37.000Z","date":"2017-05-09","kind":"grant","acquired":true,"shares":4318,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted common stock award under the Company's 2001 Equity Participation Plan, as amended, that vests on the day before the Company's 2018 Annual Stockholders meeting."}],"balance_after":12415,"source":{"system":"sec-edgar","filing":"0001437749-17-008568","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1121484/000143774917008568/rdgdoc.xml","form_type":"4"}},{"id":4360416,"issuer":{"id":54626,"kind":"organization","name":"Great Lakes Dredge & Dock CORP","symbol":"GLDD"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-04-04T22:32:42.000Z","date":"2017-03-31","kind":"grant","acquired":true,"shares":3592,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":3592,"source":{"system":"sec-edgar","filing":"0001179110-17-005662","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1249072/000117911017005662/edgar.xml","form_type":"4"}},{"id":4467367,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2017-02-07T01:54:01.000Z","date":"2017-02-03","kind":"exercise","acquired":false,"shares":1644,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Restricted Stock Unit Award granted under the 2013 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis.  Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."}],"balance_after":18792,"derivative":{"underlying":"Common Stock","underlying_shares":1644},"source":{"system":"sec-edgar","filing":"0001127602-17-004191","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760217004191/form4.xml","form_type":"4"}},{"id":4467366,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2017-02-07T01:54:01.000Z","date":"2017-02-03","kind":"exercise","acquired":true,"shares":1837,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (RSUs) that have vested and settled in shares of the Company's stock on a one-for-one basis.  Pursuant to the terms of the time-based grant awarded under the 2013 Stock Plan for Non-Employee Directors, the total includes 100% of the original award, plus shares equivalent in value to accumulated dividends."}],"balance_after":1837,"source":{"system":"sec-edgar","filing":"0001127602-17-004191","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760217004191/form4.xml","form_type":"4"}},{"id":4472448,"issuer":{"id":3861,"kind":"organization","name":"MURPHY OIL CORP"},"owners":[{"id":47740,"kind":"person","name":"DICKERSON LAWRENCE R","position":1,"cik":"0001249072","reported_name":"DICKERSON LAWRENCE R","relationship":{"director":true}}],"security":"Restricted Stock Unit","published_at":"2017-02-02T21:53:58.000Z","date":"2017-02-01","kind":"grant","acquired":true,"shares":6935,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Award granted under the 2013 Stock Plan for Non-Employee Directors."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Vest date is February 1, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Vest date is February 1, 2020."}],"balance_after":20436,"derivative":{"underlying":"Common Stock","underlying_shares":6935},"source":{"system":"sec-edgar","filing":"0001127602-17-003624","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717423/000112760217003624/form4.xml","form_type":"4"}}]}