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: HUGIN ROBERT J CIK: 0001232505 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Shares Date: 2026-05-21 | Code: A (Grant or award) Shares: +1,135 Shares Owned After: 21,626 | 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. --- Holdings --- [Holding #1] Security: Common Shares Ownership: I (Indirect) Footnotes: [F2] The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. [Holding #2] Security: Common Shares Ownership: I (Indirect) Footnotes: [F2] The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. --- 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: The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. --- Signature --- /s/ /s/ Samantha Froud, Attorney-in-Fact (2026-05-26)