BWX Technologies (BWXT) 4: Miller Joseph Kirwan bought 3,379 shares at $0.00 on 2026-0… (Sep 2, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: BWX Technologies, Inc. (BWXT) CIK: 0001486957 --- Reporting Owner --- Name: Miller Joseph Kirwan CIK: 0002076159 Role: Officer (Pres., Government Operations) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-01 | Code: M (Exercise of derivative) Shares: +3,379 | Price: $0.00 Shares Owned After: 8,621 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-09-01 | Code: F (Payment of exercise/tax) Shares: -1,523 | Price: $152.29 Total Value: $231,937.67 Shares Owned After: 7,098 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Units Date: 2026-09-01 | Code: M (Exercise of derivative) Shares: -3,379 | Price: $0.00 Exercise Price: $0.00 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F1] RSUs vest on September 1, 2026. [F1] RSUs vest on September 1, 2026. --- Footnotes (Complete Index) --- F1: RSUs vest on September 1, 2026. --- Signature --- /s/ /s/ Joseph K. Miller by Alexander D. Cobey, attorney-in-fact (2026-09-02)