Chubb (CB)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-27 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Chubb Ltd (CB) CIK: 0000896159 --- Reporting Owner --- Name: Keogh John W CIK: 0001370825 Role: Officer (President &COO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Shares Date: 2026-05-27 | Code: S (Open market sale) Shares: -20,176 | Price: $321.45 Total Value: $6,485,555.02 Shares Owned After: 206,145.67 | Ownership: D (Direct) Footnotes: [F1] The Common Shares reported herein as being sold were sold at a range of between $320.86 and $321.86 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. [Transaction #2] Security: Common Shares Date: 2026-05-27 | Code: S (Open market sale) Shares: -2,824 | Price: $321.95 Total Value: $909,185.11 Shares Owned After: 203,321.67 | Ownership: D (Direct) Footnotes: [F2] The Common Shares reported herein as being sold were sold at a range of between $321.87 and $321.98 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. [Transaction #3] Security: Common Shares Date: 2026-05-27 | Code: G (Gift) Shares: -61,000 | Price: $0.00 Shares Owned After: 142,321.67 | Ownership: D (Direct) Footnotes: [F3] Gift. [Transaction #4] Security: Common Shares Date: 2026-05-27 | Code: G (Gift) Shares: +61,000 | Price: $0.00 Shares Owned After: 61,000 | Ownership: I (Indirect) | Nature: By Trust Footnotes: [F3] Gift. [Transaction #5] Security: Common Shares Date: 2026-05-28 | Code: G (Gift) Shares: -1,352 | Price: $0.00 Shares Owned After: 140,969.67 | Ownership: D (Direct) Footnotes: [F3] Gift. --- Holdings --- [Holding #1] Security: Common Shares Ownership: I (Indirect) [Holding #2] Security: Common Shares Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: The Common Shares reported herein as being sold were sold at a range of between $320.86 and $321.86 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. F2: The Common Shares reported herein as being sold were sold at a range of between $321.87 and $321.98 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. F3: Gift. --- Signature --- /s/ /s/ Samantha Froud, Attorney-in-Fact (2026-05-29)