Chubb Ltd (CB) Chief Risk Officer reports 130-share tax-withholding transaction

Rhea-AI Filing Summary

Chubb Ltd Chief Risk Officer Frances D. O'Brien reported a tax-withholding share disposition. On this Form 4, 130 common shares were withheld on February 23, 2026 at $333.39 per share to cover tax liability. After this transaction, O'Brien directly owned 41,287 common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider O'Brien Frances D.

Role Chief Risk Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Shares	130	$333.39	$43K

Holdings After Transaction: Common Shares — 41,287 shares (Direct)

Footnotes (1)

1. Common Shares withheld to pay tax liability. Total includes 86 shares purchased on 6/30/2025 pursuant to the Chubb Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

O'Brien Frances D.

(Last) (First) (Middle)

THE CHUBB BUILDING

17 WOODBOURNE AVENUE

(Street)

HAMILTON D0 HM 08

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Chubb Ltd [ CB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Risk Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	02/23/2026		F		130(1)	D	$333.39	41,287(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Common Shares withheld to pay tax liability.

2. Total includes 86 shares purchased on 6/30/2025 pursuant to the Chubb Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3.

	/s/ Samantha Froud, Attorney-in-Fact	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Chubb Ltd (CB) disclose for Frances D. O'Brien?

Chubb Ltd reported that Chief Risk Officer Frances D. O'Brien had 130 common shares withheld to satisfy tax liability. The Form 4 describes this as a tax-withholding disposition, not an open-market trade, and it involved Chubb Ltd common shares at $333.39 per share.

How many Chubb Ltd (CB) shares were affected and at what price?

The filing shows 130 Chubb Ltd common shares were disposed of through tax withholding at a price of $333.39 per share. This transaction was recorded as a non-derivative movement of common shares rather than a market purchase or sale by the executive.

How many Chubb Ltd (CB) shares does Frances D. O'Brien own after this Form 4 transaction?

After the tax-withholding disposition, Frances D. O'Brien directly owned 41,287 Chubb Ltd common shares. The total includes 86 shares purchased on June 30, 2025 under the Chubb Ltd Employee Stock Purchase Plan that meets the requirements of Rule 16b-3.

What does transaction code F mean in the Chubb Ltd (CB) Form 4?

Transaction code F indicates payment of an exercise price or tax liability by delivering securities. In this case, 130 common shares were withheld to cover tax obligations, so it is categorized as a tax-withholding disposition rather than a traditional buy or sell order.

Were any Chubb Ltd (CB) shares acquired under an employee plan mentioned in this filing?

Yes. A footnote states that the reported total holdings include 86 shares purchased on June 30, 2025 through the Chubb Ltd Employee Stock Purchase Plan, which the filing notes meets the requirements of Rule 16b-3 governing certain employee benefit plan transactions.