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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":801.11,"derivative":{"underlying":"Common Stock","underlying_shares":23.19},"source":{"system":"sec-edgar","filing":"0001123292-26-001246","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000112329226001246/form4.xml","form_type":"4"}},{"id":744570,"issuer":{"id":656,"kind":"organization","name":"BWX Technologies, Inc.","symbol":"BWXT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Dividend Equivalent Rights","published_at":"2026-06-09T20:15:42.000Z","date":"2026-06-05","kind":"grant","planned":false,"acquired":true,"shares":19.62,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on seven restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. 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Each RSU and DER represent a contingent right to receive one share of BWXT common stock. In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":777.92,"derivative":{"underlying":"Common Stock","underlying_shares":19.62},"source":{"system":"sec-edgar","filing":"0001123292-26-000830","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000112329226000830/form4.xml","form_type":"4"}},{"id":747673,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-05T20:10:08.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":28261,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects a grant of restricted stock units (\"RSUs\") made to the Reporting Person under the Issuer's Non-Employee Director Compensation Program. 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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":758.3,"derivative":{"underlying":"Common Stock","underlying_shares":16.96},"source":{"system":"sec-edgar","filing":"0001628280-26-022107","document":"wk-form4_1774907843.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000162828026022107/wk-form4_1774907843.xml","form_type":"4"}},{"id":877169,"issuer":{"id":656,"kind":"organization","name":"BWX Technologies, Inc.","symbol":"BWXT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-02-27T22:00:57.000Z","date":"2026-02-25","kind":"sale","planned":false,"acquired":false,"shares":1983,"price":208.6116,"value":413676.8028,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The price in Column 4 is a weighted average price. 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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":741.34,"derivative":{"underlying":"Common Stock","underlying_shares":17.69},"source":{"system":"sec-edgar","filing":"0001628280-25-056800","document":"wk-form4_1765576081.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000162828025056800/wk-form4_1765576081.xml","form_type":"4"}},{"id":1045789,"issuer":{"id":656,"kind":"organization","name":"BWX Technologies, Inc.","symbol":"BWXT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Dividend Equivalent Rights","published_at":"2025-09-08T22:35:03.000Z","date":"2025-09-05","kind":"grant","planned":false,"acquired":true,"shares":19.4,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. 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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":723.65,"derivative":{"underlying":"Common Stock","underlying_shares":19.4},"source":{"system":"sec-edgar","filing":"0001307313-25-000004","document":"wk-form4_1757370901.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000130731325000004/wk-form4_1757370901.xml","form_type":"4"}},{"id":1117838,"issuer":{"id":656,"kind":"organization","name":"BWX Technologies, Inc.","symbol":"BWXT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Dividend Equivalent Rights","published_at":"2025-06-09T21:19:04.000Z","date":"2025-06-05","kind":"grant","planned":false,"acquired":true,"shares":24.57,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on six restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. 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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":704.25,"derivative":{"underlying":"Common Stock","underlying_shares":24.57},"source":{"system":"sec-edgar","filing":"0001628280-25-030274","document":"wk-form4_1749503851.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000162828025030274/wk-form4_1749503851.xml","form_type":"4"}},{"id":1148942,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T01:20:54.000Z","date":"2025-05-12","kind":"grant","planned":false,"acquired":true,"shares":74766,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects a grant of restricted stock units (\"RSUs\") made to the Reporting Person under the Issuer's Non-Employee Director Compensation Program. 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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":679.68,"derivative":{"underlying":"Common Stock","underlying_shares":28.14},"source":{"system":"sec-edgar","filing":"0001628280-25-015978","document":"wk-form4_1743542354.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000162828025015978/wk-form4_1743542354.xml","form_type":"4"}},{"id":1333803,"issuer":{"id":656,"kind":"organization","name":"BWX Technologies, Inc.","symbol":"BWXT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Dividend Equivalent Rights","published_at":"2024-12-12T22:02:38.000Z","date":"2024-12-10","kind":"grant","planned":false,"acquired":true,"shares":21.92,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. 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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":651.54,"derivative":{"underlying":"Common Stock","underlying_shares":21.92},"source":{"system":"sec-edgar","filing":"0001628280-24-051065","document":"wk-form4_1734040952.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000162828024051065/wk-form4_1734040952.xml","form_type":"4"}},{"id":1411838,"issuer":{"id":656,"kind":"organization","name":"BWX Technologies, Inc.","symbol":"BWXT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Dividend Equivalent Rights","published_at":"2024-09-09T20:36:51.000Z","date":"2024-09-05","kind":"grant","planned":false,"acquired":true,"shares":27.37,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on five restricted stock unit grants of which the reporting person has elected to defer receipt of the shares underlying the RSUs. 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In accordance with the deferral election, the DERs will be delivered to the reporting person proportionately with the RSUs to which they relate."}],"balance_after":3.73,"derivative":{"underlying":"Common Stock","underlying_shares":3.73},"source":{"system":"sec-edgar","filing":"0001492627-18-000036","document":"wf-form4_153669964674399.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1486957/000149262718000036/wf-form4_153669964674399.xml","form_type":"4"}},{"id":3846216,"issuer":{"id":656,"kind":"organization","name":"BWX Technologies, Inc.","symbol":"BWXT"},"owners":[{"id":40037,"kind":"person","name":"Burbach Gerhard F","position":1,"cik":"0001307313","reported_name":"Burbach Gerhard F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2018-08-13T21:00:19.000Z","date":"2018-08-09","kind":"grant","acquired":true,"shares":1434,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc.  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