BWXT

SEC source: 0001628280-26-029882 · wk-form4_1777927333.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 · 762 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: 0001628280-26-029882 · wk-form4_1777927333.xml · derivative · entry 2

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 762

Underlying: Common Stock · 762 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: 0001628280-26-029882 · wk-form4_1777927333.xml · nonDerivative · entry 1

NILAND BARBARA A · CIK 0001515130 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,858

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: 0001628280-26-029879 · wk-form4_1777927240.xml · derivative · entry 1

PIASECKI NICOLE WEYERHAEUSER · CIK 0001183850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 762

Underlying: Common Stock · 762 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 five annual installments commencing one year after 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 five annual installments commencing one year after termination of service on the Board of Directors.

SEC source: 0001628280-26-029874 · wk-form4_1777927136.xml · derivative · entry 1

Richardson John M · CIK 0001786800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 762

Underlying: Common Stock · 762 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: 0001123292-26-000591 · form4.xml · derivative · entry 1

JABLONSKY DANIEL L · CIK 0001544511 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 762

Underlying: Common Stock · 762 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: 0001628280-26-022100 · wk-form4_1774907180.xml · derivative · entry 1

Melvin Leland D · CIK 0001780421 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215.34

Underlying: Common Stock · 10.95 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: 0001628280-26-022110 · wk-form4_1774907969.xml · derivative · entry 1

Bertsch Jan · CIK 0001477291 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,207.01

Underlying: Common Stock · 31.5 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: 0001628280-26-022107 · wk-form4_1774907843.xml · derivative · entry 1

Burbach Gerhard F · CIK 0001307313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 758.3

Underlying: Common Stock · 16.96 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: 0001628280-26-022106 · wk-form4_1774907718.xml · derivative · entry 1

Richardson John M · CIK 0001786800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 323.96

Underlying: Common Stock · 11.73 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: 0001628280-26-022102 · wk-form4_1774907302.xml · derivative · entry 1

PIASECKI NICOLE WEYERHAEUSER · CIK 0001183850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46.81

Underlying: Common Stock · 5.03 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: 0001628280-26-022096 · wk-form4_1774906869.xml · derivative · entry 1

Krieg Kenneth J · CIK 0001477490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,420.22

Underlying: Common Stock · 28.02 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: 0001628280-26-022093 · wk-form4_1774906681.xml · derivative · entry 1

JASKA JAMES M · CIK 0001187147 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,086.44

Underlying: Common Stock · 20.91 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001123292-26-000520 · form4.xml · derivative · entry 1

JABLONSKY DANIEL L · CIK 0001544511 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0.16

Underlying: Common Stock · 0.16 shares

Expires not disclosed

F1 · 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 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 one restricted stock unit grant 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: 0001628280-26-014732 · wk-form4_1772662765.xml · nonDerivative · entry 1

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114

F1 · price: The price in Column 4 is a weighted average price. These shares were sold at prices ranging from $214.36 to $214.82, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

SEC source: 0001123292-26-000292 · form4.xml · derivative · entry 1

JABLONSKY DANIEL L · CIK 0001544511 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123

Underlying: Common Stock · 123 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 upon 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 upon termination of service on the Board of Directors.

SEC source: 0001123292-26-000290 · form4.xml · derivative · entry 3

MacQuarrie John R. · CIK 0002114311 · Pres., Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,604

Underlying: Common Stock · 2,302 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: Stock Options vest in three equal annual installments beginning February 27, 2024. Stock Options expire February 27, 2033.

F1 · derivative.expiration_date: Stock Options vest in three equal annual installments beginning February 27, 2024. Stock Options expire February 27, 2033.

SEC source: 0001123292-26-000290 · form4.xml · nonDerivative · entry 2

MacQuarrie John R. · CIK 0002114311 · Pres., Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,638

SEC source: 0001123292-26-000290 · form4.xml · nonDerivative · entry 1

MacQuarrie John R. · CIK 0002114311 · Pres., Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,734

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 · shares: Stock Options vest in three equal annual installments beginning February 27, 2024. Stock Options expire February 27, 2033.

SEC source: 0001628280-26-013905 · wk-form4_1772573525.xml · derivative · entry 6

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159

Underlying: Common Stock · 159 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 vest in three equal annual installments beginning February 28, 2025.

F2 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 28, 2025.

SEC source: 0001628280-26-013905 · wk-form4_1772573525.xml · nonDerivative · entry 4

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,458

SEC source: 0001628280-26-013905 · wk-form4_1772573525.xml · nonDerivative · entry 3

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,503

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: 0001628280-26-013903 · wk-form4_1772573461.xml · derivative · entry 7

Geveden Rex D · CIK 0001408482 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,174

Underlying: Common Stock · 3,174 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.

F3 · derivative.exercise_date: RSUs vest in three equal annual installments beginning February 28, 2025.

F3 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 28, 2025.

SEC source: 0001628280-26-013903 · wk-form4_1772573461.xml · nonDerivative · entry 4

Geveden Rex D · CIK 0001408482 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,491

SEC source: 0001628280-26-013903 · wk-form4_1772573461.xml · nonDerivative · entry 3

Geveden Rex D · CIK 0001408482 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,833

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: 0001628280-26-013896 · wk-form4_1772573368.xml · derivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215

Underlying: Common Stock · 215 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.

F3 · derivative.exercise_date: RSUs vest in three equal annual installments beginning February 28, 2025.

F3 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 28, 2025.

SEC source: 0001628280-26-013896 · wk-form4_1772573368.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,676

SEC source: 0001628280-26-013896 · wk-form4_1772573368.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,762

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: 0001628280-26-013888 · wk-form4_1772573281.xml · derivative · entry 7

Miller Joseph Kirwan · CIK 0002076159 · Pres., Government Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132

Underlying: Common Stock · 132 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.

F3 · derivative.exercise_date: RSUs vest in three equal annual installments beginning February 28, 2025.

F3 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 28, 2025.

SEC source: 0001628280-26-013888 · wk-form4_1772573281.xml · nonDerivative · entry 4

Miller Joseph Kirwan · CIK 0002076159 · Pres., Government Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,111

SEC source: 0001628280-26-013888 · wk-form4_1772573281.xml · nonDerivative · entry 3

Miller Joseph Kirwan · CIK 0002076159 · Pres., Government Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,170

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: 0001123292-26-000286 · form4.xml · derivative · entry 9

MacQuarrie John R. · CIK 0002114311 · Pres., Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 463

Underlying: Common Stock · 468 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.

F3 · shares: RSUs vest in three equal annual installments beginning February 28, 2025. Includes accrued dividends converted into shares of BWXT common stock at $205.98 per share.

F3 · derivative.exercise_date: RSUs vest in three equal annual installments beginning February 28, 2025. Includes accrued dividends converted into shares of BWXT common stock at $205.98 per share.

F3 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 28, 2025. Includes accrued dividends converted into shares of BWXT common stock at $205.98 per share.

SEC source: 0001123292-26-000286 · form4.xml · nonDerivative · entry 6

MacQuarrie John R. · CIK 0002114311 · Pres., Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,432

SEC source: 0001123292-26-000286 · form4.xml · nonDerivative · entry 5

MacQuarrie John R. · CIK 0002114311 · Pres., Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,681

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.

F3 · shares: RSUs vest in three equal annual installments beginning February 28, 2025. Includes accrued dividends converted into shares of BWXT common stock at $205.98 per share.

SEC source: 0001628280-26-013905 · wk-form4_1772573525.xml · derivative · entry 7

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,483 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.

F3 · derivative.exercise_date: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

F3 · derivative.expiration_date: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

SEC source: 0001628280-26-013905 · wk-form4_1772573525.xml · derivative · entry 5

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 259 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 February 27, 2024.

F1 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 27, 2024.

SEC source: 0001628280-26-013905 · wk-form4_1772573525.xml · nonDerivative · entry 2

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,344

SEC source: 0001628280-26-013905 · wk-form4_1772573525.xml · nonDerivative · entry 1

Gorman Kevin James · CIK 0002095984 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,865

SEC source: 0001628280-26-013903 · wk-form4_1772573461.xml · derivative · entry 6

Geveden Rex D · CIK 0001408482 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 51,951 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: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

F2 · derivative.expiration_date: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

SEC source: 0001628280-26-013903 · wk-form4_1772573461.xml · derivative · entry 5

Geveden Rex D · CIK 0001408482 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,169 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 February 27, 2024.

F1 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 27, 2024.

SEC source: 0001628280-26-013903 · wk-form4_1772573461.xml · nonDerivative · entry 2

Geveden Rex D · CIK 0001408482 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 210,659

SEC source: 0001628280-26-013903 · wk-form4_1772573461.xml · nonDerivative · entry 1

Geveden Rex D · CIK 0001408482 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 235,618

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: 0001628280-26-013896 · wk-form4_1772573368.xml · derivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,783 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: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

F2 · derivative.expiration_date: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

SEC source: 0001628280-26-013896 · wk-form4_1772573368.xml · derivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 243 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 February 27, 2024.

F1 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 27, 2024.

SEC source: 0001628280-26-013896 · wk-form4_1772573368.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,547

SEC source: 0001628280-26-013896 · wk-form4_1772573368.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,772

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: 0001628280-26-013888 · wk-form4_1772573281.xml · derivative · entry 6

Miller Joseph Kirwan · CIK 0002076159 · Pres., Government Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,855 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: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

F2 · derivative.expiration_date: Represents performance restricted stock units ("PRSU") awarded on February 27, 2026 for the performance period January 1, 2023 through December 31, 2025 for which performance goals have been achieved and certified on February 18, 2026. Each PRSU represents the right to one share of the issuer's common stock. The PRSUs vested on February 27, 2026.

SEC source: 0001628280-26-013888 · wk-form4_1772573281.xml · derivative · entry 5

Miller Joseph Kirwan · CIK 0002076159 · Pres., Government Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 162 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 February 27, 2024.

F1 · derivative.expiration_date: RSUs vest in three equal annual installments beginning February 27, 2024.

SEC source: 0001628280-26-013888 · wk-form4_1772573281.xml · nonDerivative · entry 2

Miller Joseph Kirwan · CIK 0002076159 · Pres., Government Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,038

SEC source: 0001628280-26-013888 · wk-form4_1772573281.xml · nonDerivative · entry 1

Miller Joseph Kirwan · CIK 0002076159 · Pres., Government Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,965

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.