BWXT

SEC source: 0001628280-25-000752 · wk-form4_1736285988.xml · nonDerivative · entry 1

Meguid Omar Fathi · CIK 0001961051 · SVP and Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,192

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-24-051070 · wk-form4_1734041289.xml · derivative · entry 1

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 147.73

Underlying: Common Stock · 13.13 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on three 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on three 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on three 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.

SEC source: 0001628280-24-051075 · wk-form4_1734041631.xml · derivative · entry 1

Richardson John M · CIK 0001786800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247.59

Underlying: Common Stock · 17.14 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four 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.

SEC source: 0001628280-24-051074 · wk-form4_1734041546.xml · derivative · entry 1

PIASECKI NICOLE WEYERHAEUSER · CIK 0001183850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17.74

Underlying: Common Stock · 4.49 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on two 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on two 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on two 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.

SEC source: 0001628280-24-051072 · wk-form4_1734041453.xml · derivative · entry 1

NARDELLI ROBERT L · CIK 0001195005 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,343.76

Underlying: Common Stock · 59.98 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on eleven 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on eleven 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on eleven 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.

SEC source: 0001628280-24-051068 · wk-form4_1734041206.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,237.77

Underlying: Common Stock · 40.94 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on nine 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on nine 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on nine 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.

SEC source: 0001628280-24-051066 · wk-form4_1734041099.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 953.93

Underlying: Common Stock · 27.7 shares

Expires not disclosed

F1 · derivative.exercise_price: 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. 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.

F1 · derivative.exercise_date: 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. 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.

F1 · derivative.expiration_date: 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. 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.

SEC source: 0001628280-24-051065 · wk-form4_1734040952.xml · derivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 651.54

Underlying: Common Stock · 21.92 shares

Expires not disclosed

F1 · derivative.exercise_price: 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. 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.

F1 · derivative.exercise_date: 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. 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.

F1 · derivative.expiration_date: 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. 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.

SEC source: 0001628280-24-051064 · wk-form4_1734040856.xml · derivative · entry 3

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,005.61

Underlying: Common Stock · 99.91 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: The dividend equivalent rights accrued on one restricted stock unit grant of which the reporting person has elected to defer receipt of the shares underlying the RSU's. Each RSU and DER represent a contingent right to receive one share of BWC common stock. The shares represent accrued dividends on the December 1, 2024 equity payout. Fractional shares converted to cash.

F2 · derivative.exercise_date: The dividend equivalent rights accrued on one restricted stock unit grant of which the reporting person has elected to defer receipt of the shares underlying the RSU's. Each RSU and DER represent a contingent right to receive one share of BWC common stock. The shares represent accrued dividends on the December 1, 2024 equity payout. Fractional shares converted to cash.

F2 · derivative.expiration_date: The dividend equivalent rights accrued on one restricted stock unit grant of which the reporting person has elected to defer receipt of the shares underlying the RSU's. Each RSU and DER represent a contingent right to receive one share of BWC common stock. The shares represent accrued dividends on the December 1, 2024 equity payout. Fractional shares converted to cash.

SEC source: 0001628280-24-051064 · wk-form4_1734040856.xml · derivative · entry 2

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,105.52

Underlying: Common Stock · 47.18 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on eight 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on eight 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on eight 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.

SEC source: 0001628280-24-051064 · wk-form4_1734040856.xml · nonDerivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,128

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001062993-24-019947 · form4.xml · derivative · entry 2

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,942 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The reporting person elected to defer receipt of the underlying restricted stock units. In accordance with the reporting person's election, the vested shares were delivered to the reporting person in one lump sum on December 1, 2024.

F1 · derivative.expiration_date: The reporting person elected to defer receipt of the underlying restricted stock units. In accordance with the reporting person's election, the vested shares were delivered to the reporting person in one lump sum on December 1, 2024.

SEC source: 0001062993-24-019947 · form4.xml · nonDerivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,029

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-24-043645 · wk-form4_1729803242.xml · derivative · entry 3

Fitzgerald Michael Thomas · CIK 0001953099 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,795

Underlying: Common Stock · 1,795 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: RSUs vest in three equal annual installments beginning October 24, 2023.

F1 · derivative.expiration_date: RSUs vest in three equal annual installments beginning October 24, 2023.

SEC source: 0001628280-24-043645 · wk-form4_1729803242.xml · nonDerivative · entry 2

Fitzgerald Michael Thomas · CIK 0001953099 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,291

SEC source: 0001628280-24-043645 · wk-form4_1729803242.xml · nonDerivative · entry 1

Fitzgerald Michael Thomas · CIK 0001953099 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,010

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-24-039892 · wk-form4_1725914416.xml · derivative · entry 1

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134.6

Underlying: Common Stock · 16.39 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on three 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on three 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on three 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.

SEC source: 0001628280-24-039897 · wk-form4_1725914621.xml · derivative · entry 1

Richardson John M · CIK 0001786800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 230.45

Underlying: Common Stock · 21.39 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four 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.

SEC source: 0001628280-24-039895 · wk-form4_1725914553.xml · derivative · entry 1

PIASECKI NICOLE WEYERHAEUSER · CIK 0001183850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13.25

Underlying: Common Stock · 5.6 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on two 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on two 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on two 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.

SEC source: 0001628280-24-039893 · wk-form4_1725914481.xml · derivative · entry 1

NARDELLI ROBERT L · CIK 0001195005 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,283.78

Underlying: Common Stock · 74.87 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on eleven 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on eleven 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on eleven 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.

SEC source: 0001628280-24-039891 · wk-form4_1725914350.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,196.83

Underlying: Common Stock · 51.12 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on nine 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on nine 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on nine 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.

SEC source: 0001628280-24-039889 · wk-form4_1725914295.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 926.23

Underlying: Common Stock · 34.58 shares

Expires not disclosed

F1 · derivative.exercise_price: 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. 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.

F1 · derivative.exercise_date: 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. 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.

F1 · derivative.expiration_date: 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. 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.

SEC source: 0001628280-24-039887 · wk-form4_1725914203.xml · derivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 629.62

Underlying: Common Stock · 27.37 shares

Expires not disclosed

F1 · derivative.exercise_price: 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. 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.

F1 · derivative.exercise_date: 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. 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.

F1 · derivative.expiration_date: 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. 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.

SEC source: 0001628280-24-039884 · wk-form4_1725914098.xml · derivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,058.34

Underlying: Common Stock · 58.88 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on eight 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on eight 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on eight 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.

SEC source: 0001628280-24-038825 · wk-form4_1724963523.xml · derivative · entry 3

DUFFY ROBERT L · CIK 0001554940 · SVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,536

Underlying: Common Stock · 7,536 shares

Expires 2025-08-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Restricted stock units vest in three equal annual installments beginning August 29, 2023.

SEC source: 0001628280-24-038825 · wk-form4_1724963523.xml · nonDerivative · entry 2

DUFFY ROBERT L · CIK 0001554940 · SVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,206

SEC source: 0001628280-24-038825 · wk-form4_1724963523.xml · nonDerivative · entry 1

DUFFY ROBERT L · CIK 0001554940 · SVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,171

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-24-027546 · wk-form4_1718052168.xml · derivative · entry 1

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118.21

Underlying: Common Stock · 17.78 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on three 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on three 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on three 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.

SEC source: 0001628280-24-027550 · wk-form4_1718052518.xml · derivative · entry 1

Richardson John M · CIK 0001786800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 209.06

Underlying: Common Stock · 23.21 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on four 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on four 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on four 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.

SEC source: 0001628280-24-027549 · wk-form4_1718052452.xml · derivative · entry 1

PIASECKI NICOLE WEYERHAEUSER · CIK 0001183850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7.65

Underlying: Common Stock · 6.07 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on two 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on two 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on two 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.

SEC source: 0001628280-24-027548 · wk-form4_1718052377.xml · derivative · entry 1

NARDELLI ROBERT L · CIK 0001195005 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,208.91

Underlying: Common Stock · 81.22 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on eleven 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on eleven 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on eleven 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.

SEC source: 0001628280-24-027547 · wk-form4_1718052306.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,145.71

Underlying: Common Stock · 55.46 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on nine 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on nine 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on nine 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.

SEC source: 0001628280-24-027545 · wk-form4_1718052007.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 891.65

Underlying: Common Stock · 37.51 shares

Expires not disclosed

F1 · derivative.exercise_price: 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. 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.

F1 · derivative.exercise_date: 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. 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.

F1 · derivative.expiration_date: 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. 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.

SEC source: 0001628280-24-027540 · wk-form4_1718051939.xml · derivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 602.25

Underlying: Common Stock · 29.69 shares

Expires not disclosed

F1 · derivative.exercise_price: 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. 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.

F1 · derivative.exercise_date: 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. 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.

F1 · derivative.expiration_date: 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. 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.

SEC source: 0001628280-24-027533 · wk-form4_1718051869.xml · derivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,999.46

Underlying: Common Stock · 63.88 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on eight 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.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on eight 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.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on eight 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.

SEC source: 0001628280-24-021157 · wk-form4_1715114743.xml · derivative · entry 1

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in five annual installments following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in five annual installments following termination of service on the Board of Directors.

SEC source: 0001628280-24-021171 · wk-form4_1715115867.xml · derivative · entry 1

PIASECKI NICOLE WEYERHAEUSER · CIK 0001183850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with her deferral election, vested shares will be delivered to the reporting person in three annual installments following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with her deferral election, vested shares will be delivered to the reporting person in three annual installments following termination of service on the Board of Directors.

SEC source: 0001628280-24-021162 · wk-form4_1715114973.xml · derivative · entry 1

Richardson John M · CIK 0001786800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

SEC source: 0001628280-24-021160 · wk-form4_1715114871.xml · derivative · entry 3

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,592 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001628280-24-021160 · wk-form4_1715114871.xml · derivative · entry 2

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the BWX Technologies, Inc. 2020 Omnibus Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001628280-24-021160 · wk-form4_1715114871.xml · nonDerivative · entry 1

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,631

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-24-021158 · wk-form4_1715114809.xml · derivative · entry 1

NARDELLI ROBERT L · CIK 0001195005 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

SEC source: 0001628280-24-021155 · wk-form4_1715114624.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in one lump sum following termination of service on the Board of Directors.

SEC source: 0001628280-24-021152 · wk-form4_1715114524.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in four annual installments following termination of service on the Board of Directors.

F2 · derivative.expiration_date: RSUs vested immediately. The reporting person elected to defer receipt of shares underlying the RSUs. In accordance with his deferral election, vested shares will be delivered to the reporting person in four annual installments following termination of service on the Board of Directors.

SEC source: 0001628280-24-021149 · wk-form4_1715114355.xml · derivative · entry 3

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,592 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001628280-24-021149 · wk-form4_1715114355.xml · derivative · entry 2

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001628280-24-021149 · wk-form4_1715114355.xml · nonDerivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,983

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-24-021145 · wk-form4_1715114182.xml · derivative · entry 3

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,592 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001628280-24-021145 · wk-form4_1715114182.xml · derivative · entry 2

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 1,592 shares

Expires not disclosed

F1 · kind: Grant of restricted stock units pursuant to the 2020 Omnibus Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2 · derivative.exercise_date: RSUs vested immediately.

F2 · derivative.expiration_date: RSUs vested immediately.

SEC source: 0001628280-24-021145 · wk-form4_1715114182.xml · nonDerivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,087

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.