BWX Technologies, Inc. — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BWX Technologies, Inc. (BWXT)
CIK: 0001486957
Period of Report: 2026-02-27

Reporting Person: MacQuarrie John R. (Pres., Commercial Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-27	Common Stock	M	603	—	Acquired	18327	Direct
2026-02-27	Common Stock	F	321	$207.24	Disposed	18006	Direct
2026-02-27	Common Stock	M	6898	—	Acquired	24904	Direct
2026-02-27	Common Stock	F	3691	$207.24	Disposed	21213	Direct
2026-02-28	Common Stock	M	468	—	Acquired	21681	Direct
2026-02-28	Common Stock	F	249	$205.98	Disposed	21432	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-27	Restricted Stock Units	$0	M	603	Disposed		Common Stock (603)	Direct
2026-02-27	Restricted Stock Units	$0	M	6898	Disposed		Common Stock (6898)	Direct
2026-02-28	Restricted Stock Units	$0	M	468	Disposed		Common Stock (468)	Direct

Footnotes

F1: RSUs vest in three equal annual installments beginning February 27, 2024. Includes accrued dividends converted into shares of BWXT common stock at $207.24 per share.

F2: Represents performance restricted stock units ("PRSU") awarded on February 27, 2023 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. Includes accrued dividends converted into shares of BWXT common stock at $207.24 per share.

F3: 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.