| Garschina Kenneth M. +2 co-filers10% owner · 7 transactions | — | 22.69M†as of Mar 2014 | — | 882.8K | 3.90M |
| Robbins Clifton S +2 co-filersReporting owner · 3 transactions | — | 1.99M†as of Sep 2017 | — | — | 10.56M |
| Geveden Rex DPresident and CEO, Director · 95 transactions | — | 203.8K | 573.1K | 4.5K | 122.6K |
| Ferland E James JrPresident and CEO, Director · 13 transactions | — | 155.9K†as of Jun 2015 | 189.1K | — | — |
| Bethards Brandon C.President and CEO, Director · 33 transactions | — | 144.0K†as of Mar 2012 | 156.4K | — | 52.4K |
| Canafax James DSVP & General Counsel · 82 transactions | — | 117.8K†as of Mar 2018 | 320.6K | — | 38.3K |
| Taff Michael SSVP and CFO · 16 transactions | — | 101.6K†as of Oct 2011 | 100.8K | — | — |
| Black David SSr. V.P., CFO · 161 transactions | — | 67.9K†as of Nov 2021 | 248.1K | — | 80.5K |
| Baker Peyton S.President and CEO, Director · 46 transactions | — | 58.0K†as of Jul 2016 | 78.6K | — | — |
| McWilliams D BradleyDirector · 9 transactions | — | 44.1Kas of May 2013 | 30.6K | — | — |
| Killion Richard LPresident - PGG · 23 transactions | — | 41.7K†as of Mar 2012 | 41.2K | — | 12.0K |
| LeMasters Robb A.SVP & Chief Financial Officer · 27 transactions | — | 40.8Kas of Feb 2025 | 36.2K | 5.0K | — |
| Mowry Christofer MPresident - mPower · 28 transactions | — | 38.4K†as of Mar 2014 | 51.6K | — | 3.8K |
| Goldman Robert WDirector · 11 transactions | — | 36.6Kas of May 2017 | 25.1K | — | — |
| Fox William A. IIIPresident BWXT Tech. Servs. Gp · 12 transactions | — | 34.5K†as of Nov 2016 | 13.4K | — | — |
| Colatrella Anthony S.SVP & CFO · 17 transactions | — | 32.6K†as of Mar 2015 | 50.0K | — | — |
| Data J RandallPresident - PGG · 21 transactions | — | 29.5K†as of Mar 2015 | 30.7K | — | 15.9K |
| Apker Jenny LVice President, Treasurer & IR · 22 transactions | — | 28.2K†as of Jun 2015 | 31.2K | — | — |
| Nash Winfred DPresident - NOG · 23 transactions | — | 28.0K†as of Mar 2011 | 43.4K | — | 12.4K |
| Carano Mark ASVP & Chief Corp. Dev. Officer · 7 transactions | — | 28.0K†as of Jun 2015 | 28.7K | — | — |
| Hanks Stephen GDirector · 7 transactions | — | 24.9Kas of May 2015 | 19.4K | 42 | — |
| Dudich GeorgePresident-TSG · 20 transactions | — | 22.9K†as of Mar 2014 | 32.2K | — | — |
| Loving Richard WSVP and CAO · 57 transactions | — | 22.9K†as of Jul 2022 | 40.0K | — | 7.2K |
| Niland Barbara ADirector · 10 transactions | — | 21.9K | 19.5K | — | — |
| Duling Joel W.President, Nuclear Operations · 28 transactions | — | 21.7K†as of May 2021 | 26.4K | — | 6.3K |
| Weyers Larry LDirector · 6 transactions | — | 21.7Kas of May 2015 | 21.7K | — | — |
| Gedeon EliasSVP & Chief Bus. Dev. Officer · 3 transactions | — | 21.2K†as of Jun 2015 | 21.1K | — | — |
| Cochran S RobertPresident - TSG · 9 transactions | — | 20.9K†as of Mar 2011 | 20.4K | — | — |
| Salomone Mary PSVP and COO · 32 transactions | — | 20.5K†as of May 2013 | 38.4K | — | 15.1K |
| Bash Benjamin H.SVP, Human Resources · 13 transactions | — | 18.6K†as of Jul 2016 | 6.8K | — | — |
| MacQuarrie John R.Pres., Commercial Operations · 10 transactions | — | 17.5K | 10.8K | — | — |
| Pramaggiore Anne RDirector · 4 transactions | — | 14.1Kas of May 2013 | 14.1K | — | — |
| Lees Michael DPresident - NE · 6 transactions | — | 12.9Kas of Mar 2012 | 4.9K | — | — |
| Bertsch JanDirector · 6 transactions | — | 12.1Kas of Dec 2024 | 12.1K | — | — |
| Henry Joseph GSenior Vice President · 65 transactions | — | 11.6K†as of Jun 2018 | 93.0K | — | 82.1K |
| Fees John ADirector · 43 transactions | — | 11.2Kas of Mar 2022 | 459.7K | — | 458.5K |
| Whitford Ronald Owen JrSVP, General Counsel and Sec. · 23 transactions | — | 10.1Kas of Aug 2025 | 14.6K | — | 4.1K |
| Athanas VangelSVP & Chief HR Officer · 14 transactions | — | 9.8K†as of Aug 2012 | 11.8K | — | — |
| Fitzgerald Michael ThomasSVP & Chief Financial Officer · 23 transactions | — | 9.3K | 14.8K | — | 2.4K |
| McCabe Thomas ESVP & General Counsel · 21 transactions | — | 8.7Kas of Mar 2022 | 23.5K | — | — |
| Mies Richard WillardDirector · 2 transactions | — | 8.1Kas of Jan 2019 | 2.1K | — | — |
| Kerr Jason S.VP & Chief Accounting Officer · 87 transactions | — | 8.1K†as of Mar 2022 | 44.1K | — | 24.4K |
| Pryor Charles W JrDirector · 2 transactions | — | 7.4Kas of May 2020 | 7.4K | — | — |
| McCoy Kevin MPres., Government Operations · 14 transactions | — | 7.0Kas of Feb 2025 | 12.2K | — | — |
| Jaska James MDirector · 3 transactions | — | 6.5Kas of May 2023 | 6.5K | — | — |
| Melvin Leland DDirector · 4 transactions | — | 5.6Kas of Aug 2025 | 6.2K | — | 600 |
| Miller Joseph KirwanPres., Government Operations · 6 transactions | — | 5.1K | 2.3K | — | — |
| Meguid Omar FathiSVP and Chief Digital Officer · 13 transactions | — | 4.5K | 9.9K | — | 2.3K |
| Smith Robert FendlayPresident, Gov. Operations · 2 transactions | — | 3.8Kas of Jan 2022 | 3.8K | — | — |
| Ferraioli Brian KDirector · 1 transaction | — | 3.6Kas of May 2015 | 3.6K | — | — |
| Duffy Robert LSVP and Chief Admin. Officer · 11 transactions | — | 3.2Kas of Mar 2025 | 15.3K | — | 6.0K |
| Tarapore KairusSVP & Chief Admin. Officer · 6 transactions | — | 2.3K†as of Mar 2015 | 2.9K | — | — |
| Krieg Kenneth JDirector · 2 transactions | — | 2.2K | 2.2K | — | — |
| Richardson John MDirector · 2 transactions | — | 2.2Kas of May 2025 | 2.2K | — | — |
| Nardelli Robert LDirector · 1 transaction | — | 2.0Kas of Aug 2023 | — | 2.0K | — |
| Azad AliSVP · 4 transactions | — | 1.9K†as of Mar 2013 | 1.4K | — | — |
| Zwetolitz Joseph APresident - NE · 2 transactions | — | 947†as of Mar 2014 | 993 | — | — |
| Gorman Kevin JamesVP & Chief Accounting Officer · 7 transactions | — | 276† | 2.1K | — | 1.3K |
| Bender Kurt A.SVP & Chief Digital Officer · 2 transactions | — | 100 | 100 | — | — |
| Burbach Gerhard FDirector · 5 transactions | — | 0 | 4.0K | — | 4.0K |
| Christopher Thomas A.Director · 1 transaction | — | 0as of Sep 2011 | 3.9K | — | — |
| McDermott International Inc10% owner · 1 transaction | — | 0as of Jul 2010 | — | — | — |