BWX Technologies, Inc. (BWXT) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-11 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: BWX Technologies, Inc. (BWXT) CIK: 0001486957 --- Reporting Owner --- Name: Fitzgerald Michael Thomas CIK: 0001953099 Role: Officer (SVP & Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-11 | Code: M (Exercise of derivative) Shares: +1,520 | Price: $100.83 Total Value: $153,261.60 Shares Owned After: 8,404 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-05-11 | Code: M (Exercise of derivative) Shares: +897 | Price: $106.64 Total Value: $95,656.08 Shares Owned After: 9,301 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-05-11 | Code: S (Open market sale) Shares: -2,417 | Price: $209.25 Total Value: $505,757.25 Shares Owned After: 6,884 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Employee Stock Option (right to buy) Date: 2026-05-11 | Code: M (Exercise of derivative) Shares: -1,520 | Price: $0.00 Exercisable: N/A | Expires: 2034-02-28 Shares Owned After: 760 | Ownership: D (Direct) Footnotes: [F1] Stock options vest in three equal annual installments beginning February 29, 2025. [Transaction #2] Security: Employee Stock Option (right to buy) Date: 2026-05-11 | Code: M (Exercise of derivative) Shares: -897 | Price: $0.00 Exercisable: N/A | Expires: 2035-02-26 Shares Owned After: 1,794 | Ownership: D (Direct) Footnotes: [F2] Stock Options vest in three equal annual installments beginning February 26, 2026. --- Footnotes (Complete Index) --- F1: Stock options vest in three equal annual installments beginning February 29, 2025. F2: Stock Options vest in three equal annual installments beginning February 26, 2026. --- Signature --- /s/ /s/ Michael T. Fitzgerald, by Alexander D. Cobey, attorney-in-fact (2026-05-12)