Timothy Alan Boroughs - 02 Mar 2026 Form 4 Insider Report for Chubb Ltd (CB)

Role: Executive Vice President*
Signature: /s/ Samantha Froud, Attorney-in-Fact
Issuer symbol: CB
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 16:20:08 UTC
Previous filing: 26 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
BOROUGHS TIMOTHY ALAN	Executive Vice President*	THE CHUBB BUILDING, 17 WOODBOURNE AVENUE, HAMILTON, BERMUDA	/s/ Samantha Froud, Attorney-in-Fact	04 Mar 2026	0001577594

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CB	Performance Stock Units	Award		+8,607		$0.000000^*	8,607	02 Mar 2026	Common Shares	8,607	$0.000000	Direct	F1
transaction	CB	Performance Stock Units	Award		+8,607	+100%	$0.000000^*	17,214	02 Mar 2026	Common Shares	8,607	$0.000000	Direct	F2
holding	CB	Performance Stock Units						34,484	02 Mar 2026	Common Shares		$0.000000	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Award of performance stock units ("PSUs") pursuant to the Chubb Limited 2016 Long-Term Incentive Plan (the "Plan") that vests, in whole or in part, subject to the satisfaction of certain service and performance based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance based criteria for the three-year performance period. Each PSU represents a contingent right to receive one Common Share, and any PSUs that do not vest will be cancelled. Dividends shall be accumulated and distributed only when, and to the extent that the PSUs have vested.
F2	Award of PSUs pursuant to the Plan representing a premium performance award with respect to the PSUs described above that vests, in whole or in part, subject to the satisfaction of certain service and performance based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance based criteria for the three-year performance period. Each PSU represents a contingent right to receive one Common Share, and any PSUs that do not vest will be cancelled. Dividends shall be accumulated and distributed only when, and to the extent that the PSUs have vested.
F3	Total includes previously reported PSUs from other tranches with different vesting and expiration dates.

Remarks:

*& Chief Investment Officer, Chubb Limited