Berkshire Hathaway (BRK-B) SC 13G Chubb / BERKSHIRE HATHAWAY ownership change

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 remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

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.)

CUSIP No. H1467J104 13G Page 2 of 8 Pages

1	NAME OF REPORTING PERSON Warren E. Buffett
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒  (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States Citizen

NUMBER OF SHARES BENEFICIALLY  OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER NONE
	6	SHARED VOTING POWER 27,033,784 shares of Common Stock
	7	SOLE DISPOSITIVE POWER NONE
	8	SHARED DISPOSITIVE POWER 27,033,784 shares of Common Stock

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 27,033,784 shares of Common Stock
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 6.7%
12	TYPE OF REPORTING PERSON IN

CUSIP No. H1467J104 13G Page 3 of 8 Pages

1	NAME OF REPORTING PERSON Berkshire Hathaway Inc.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒  (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware

NUMBER OF SHARES BENEFICIALLY  OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER NONE
	6	SHARED VOTING POWER 27,033,784 shares of Common Stock
	7	SOLE DISPOSITIVE POWER NONE
	8	SHARED DISPOSITIVE POWER 27,033,784 shares of Common Stock

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 27,033,784 shares of Common Stock
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 6.7%
12	TYPE OF REPORTING PERSON HC, CO

CUSIP No. H1467J104 13G Page 4 of 8 Pages

1	NAME OF REPORTING PERSON National Indemnity Company
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒  (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Nebraska

NUMBER OF SHARES BENEFICIALLY  OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER NONE
	6	SHARED VOTING POWER 27,033,784 shares of Common Stock
	7	SOLE DISPOSITIVE POWER NONE
	8	SHARED DISPOSITIVE POWER 27,033,784 shares of Common Stock

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 27,033,784 shares of Common Stock
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 6.7%
12	TYPE OF REPORTING PERSON IC, CO

Page 5 of 8 Pages

Item 1.

(a) Name of Issuer

CHUBB Limited

(b) Address of Issuer’s Principal Executive Offices

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:

Warren E. Buffett 3555 Farnam Street Omaha, Nebraska 68131 United States Citizen Berkshire Hathaway Inc. 3555 Farnam Street Omaha, Nebraska 68131 Delaware corporation

National Indemnity Company

1314 Douglas Street

Omaha, Nebraska 68102

Nebraska corporation

Page 6 of 8 Pages

(d) Title of Class of Securities

Common Stock

(e) CUSIP Number

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.

(a) Amount beneficially Owned

See the Cover Pages for each of the Reporting Persons.

(b) Percent of Class

See the Cover Pages for each of the Reporting Persons.

(c) Number of shares as to which such person has:

(i) sole power to vote or to direct the vote

(ii) shared power to vote or to direct the vote

Page 7 of 8 Pages

(iii) sole power to dispose or to direct the disposition of

(iv) shared power to dispose or to direct the disposition of

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.

Page 8 of 8 Pages

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

/s/ Warren E. Buffett
Warren E. Buffett
BERKSHIRE HATHAWAY INC.
By:	/s/ Warren E. Buffett
	Warren E. Buffett
	Chairman of the Board
NATIONAL INDEMNITY COMPANY
By:	/s/ Warren E. Buffett
	Warren E. Buffett Attorney-in-Fact