[Form 4] BERKSHIRE HATHAWAY INC Insider Trading Activity

Berkshire Hathaway (BRK) reported an insider transaction by Chairman and CEO Warren E. Buffett on 11/10/2025.

Rhea-AI Filing Summary

Berkshire Hathaway (BRK) reported an insider transaction by Chairman and CEO Warren E. Buffett on 11/10/2025. He converted 1,800 shares of Class A into 2,700,000 shares of Class B (Code C) and then made gifts totaling 2,700,000 Class B shares (Code G) to charitable organizations, each at a reported price of $0.00 per entry.

Following these transactions, Buffett beneficially owned 1,114 Class B shares directly and 196,317 Class A shares directly, as shown in the filing’s post-transaction balances.

Insider Trade Summary

1,800 shares exercised/converted

Exercise 6 txns

Insider BUFFETT WARREN E

Role Chairman and CEO

Type	Security	Shares	Price	Value
Conversion	Class A Common Stock	1,800	$0.00	$0.00
Conversion	Class B Common Stock	2,700,000	$0.00	$0.00
Gift	Class B Common Stock	1,500,000	$0.00	$0.00
Gift	Class B Common Stock	400,000	$0.00	$0.00
Gift	Class B Common Stock	400,000	$0.00	$0.00
Gift	Class B Common Stock	400,000	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 196,317 contracts (Direct); Class B Common Stock — 1,114 shares (Direct)

Footnotes (3)

1. F1. Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.
2. F2. Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 4, my holdings of shares of Class A Common Stock are reported in Table II.
3. F3. Not applicable.

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Accepted by SEC EDGAR 11/12/2025 - 04:18 PM Learn about SEC filing dates

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
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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^*

BUFFETT WARREN E

(Last) (First) (Middle)

3555 FARNAM STREET

(Street)

OMAHA NE 68131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BERKSHIRE HATHAWAY INC [ BRK.A ]

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

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman and CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/10/2025

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
Class B Common Stock	11/10/2025		C		2,700,000	A	$0.00	2,701,114	D
Class B Common Stock	11/10/2025		G		1,500,000(1)	D	$0.00	1,201,114	D
Class B Common Stock	11/10/2025		G		400,000(1)	D	$0.00	801,114	D
Class B Common Stock	11/10/2025		G		400,000(1)	D	$0.00	401,114	D
Class B Common Stock	11/10/2025		G		400,000(1)	D	$0.00	1,114	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
Class A Common Stock	(2)	11/10/2025		C			1,800	(3)	(3)	See footnote(2)	(2)	(3)	196,317	D

Explanation of Responses:

1. Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

2. Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 4, my holdings of shares of Class A Common Stock are reported in Table II.

3. Not applicable.

	/s/ Warren E. Buffett	11/12/2025
	** 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.
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