Chubb (NYSE: CB) CRO has 48 shares withheld to cover tax liability

Rhea-AI Filing Summary

Chubb Ltd Chief Risk Officer Frances D. O'Brien reported a tax-related share transaction. On March 3, 2026, 48 Common Shares were withheld at $338.30 per share to cover a tax liability, a non-open-market disposition. After this, O'Brien held 42,183 Common Shares directly.

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

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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)
03/03/2026

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	03/03/2026		F		48(1)	D	$338.3	42,183	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.

	/s/ Samantha Froud, Attorney-in-Fact	03/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

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

Chubb Ltd reported that Chief Risk Officer Frances D. O'Brien had 48 Common Shares withheld on March 3, 2026. The shares were withheld to cover a tax liability, rather than through an open-market sale, and are classified as a non-derivative, tax-withholding disposition.

Was the Chubb (CB) insider transaction an open-market sale?

No, the Chubb Ltd transaction was not an open-market sale. 48 Common Shares were withheld to satisfy a tax liability, coded as F for payment of exercise price or tax liability by delivering securities, instead of being sold directly in the market.

How many Chubb (CB) shares does Frances D. O'Brien hold after the transaction?

After the tax-withholding transaction, Frances D. O'Brien held 42,183 Common Shares of Chubb Ltd directly. This figure reflects her total direct ownership following the withholding of 48 shares on March 3, 2026, as reported in the Form 4 filing data.

What was the price used for the Chubb (CB) tax-withholding shares?

The 48 Chubb Ltd Common Shares withheld for taxes were valued at $338.30 per share. This price is the transaction price per share used for the tax-withholding disposition recorded on March 3, 2026 for Chief Risk Officer Frances D. O'Brien.

How is the Chubb (CB) insider transaction classified in the filing data?

The transaction is classified as a non-derivative disposition with code F, described as payment of exercise price or tax liability by delivering securities. It is labeled a tax-withholding disposition with a dispose direction and direct ownership for Frances D. O'Brien.

Who is the insider involved in the recent Chubb (CB) share transaction?

The insider is Frances D. O'Brien, who serves as Chief Risk Officer of Chubb Ltd. She reported a tax-withholding disposition of 48 Common Shares, with direct ownership indicated, and held 42,183 shares directly after the transaction date of March 3, 2026.