Chubb (CB)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-21 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Chubb Ltd (CB) CIK: 0000896159 --- Reporting Owner --- Name: Steimer Olivier CIK: 0001439107 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Shares Date: 2026-05-21 | Code: A (Grant or award) Shares: +681 Shares Owned After: 26,160.51 | Ownership: D (Direct) Footnotes: [F1] Restricted stock award granted as director fees under a Chubb Limited long-term incentive plan (the "Plan"), which meets the requirements of Rule 16b-3. Such restricted stock will vest on the day of the next annual Chubb Limited shareholders meeting, assuming the reporting person is a director of Chubb Limited on such date. [F1] Restricted stock award granted as director fees under a Chubb Limited long-term incentive plan (the "Plan"), which meets the requirements of Rule 16b-3. Such restricted stock will vest on the day of the next annual Chubb Limited shareholders meeting, assuming the reporting person is a director of Chubb Limited on such date. [F2] Total includes 11.74 shares credited on April 6, 2026 to the reporting person's deferred stock account pursuant to the dividend investment provisions of the Plan, which meets the requirements of Rule 16b-3. [Transaction #2] Security: Common Shares Date: 2026-05-21 | Code: F (Payment of exercise/tax) Shares: -41 | Price: $330.26 Total Value: $13,540.66 Shares Owned After: 26,119.51 | Ownership: D (Direct) Footnotes: [F3] Common Shares being withheld in order to pay tax liability. --- Footnotes (Complete Index) --- F1: Restricted stock award granted as director fees under a Chubb Limited long-term incentive plan (the "Plan"), which meets the requirements of Rule 16b-3. Such restricted stock will vest on the day of the next annual Chubb Limited shareholders meeting, assuming the reporting person is a director of Chubb Limited on such date. F2: Total includes 11.74 shares credited on April 6, 2026 to the reporting person's deferred stock account pursuant to the dividend investment provisions of the Plan, which meets the requirements of Rule 16b-3. F3: Common Shares being withheld in order to pay tax liability. --- Signature --- /s/ /s/ Samantha Froud, Attorney-in-Fact (2026-05-26)