Beneficial Ownership Report – Form SC 13G

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO § 240.13d-2

(Amendment No. )

CHUBB LIMITED

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

H1467J104

(CUSIP Number)

September 30, 2024

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☒ Rule 13d-1 (b)

☐ Rule 13d-1 (c)

☐ Rule 13d-1 (d)

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 (the "Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes.)

Item 1.

CHUBB Limited

BARENGASSE 32, Zurich, Switzerland CH-8001

Item 2(a). Name of Person Filing:

Item 2(b). Address of Principal Business Office:

Item 2(c). Citizenship:

National Indemnity Company

1314 Douglas Street

Omaha, Nebraska 68102

Nebraska corporation

Common Stock

H1467J104

Item 3. If this statement is filed pursuant to § 240.13d-1(b), or § 240.13d-2(b) or (c), check whether the person filing is a:

Warren E. Buffett (an individual who may be deemed to control Berkshire Hathaway Inc.), Berkshire Hathaway Inc. and GEICO Corporation are each a Parent Holding Company or Control Person, in accordance with § 240.13d-1(b)(1)(ii)(G).

National Indemnity Company and GEICO Secure Insurance Company are Insurance Companies as defined in section 3(a)(19) of the Act.

The Berkshire Hathaway Consolidated Pension Plan Master Trust and the Precision Castparts Corp. Master Trust are Employee Benefit Plans in accordance with § 240.13d-1(b)(1)(ii)(F).

Item 4. Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

See the Cover Pages for each of the Reporting Persons.

See the Cover Pages for each of the Reporting Persons.

See the Cover Pages for each of the Reporting Persons.

Item 5. Ownership of Five Percent or Less of a Class.

Not Applicable.

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Not Applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

See Exhibit A.

Item 8. Identification and Classification of Members of the Group.

See Exhibit A.

Item 9. Notice of Dissolution of Group.

Not Applicable.

Item 10. Certification.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated this 14th day of November, 2024