Charlotte Guyman conversion and charitable gifts at Berkshire

Rhea-AI Filing Summary

Berkshire Hathaway Inc. director Charlotte Guyman reported share changes on 11/03/2025. She converted 1 share of Class A into 1,500 shares of Class B at $0.00, then made charitable gifts totaling 410 Class B shares (82 shares to each of five organizations). Following these transactions, she directly owned 3,462 Class B shares.

The filing notes that each Class A share is convertible at any time into 1,500 Class B shares.

Insider Trade Summary

1 shares exercised/converted

Mixed 3 txns

Insider GUYMAN CHARLOTTE

Role Director

Type	Security	Shares	Price	Value
Conversion	Class A Common Stock	1	$0.00	--
Conversion	Class B Common Stock	1,500	$0.00	--
Gift	Class B Common Stock	410	$0.00	--

Holdings After Transaction: Class A Common Stock — 54 shares (Direct); Class B Common Stock — 3,872 shares (Direct)

Footnotes (1)

1. The reported transaction consists of gifts from Charlotte Guyman of 82 shares each of Class B common Stock to five charitable organizations. 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. Not applicable.

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^*

GUYMAN CHARLOTTE

(Last) (First) (Middle)

1127 EVERGREEN POINT RD

(Street)

MEDINA WA 98039

(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		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2025

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	11/03/2025		C		1,500	A	$0.00	3,872	D
Class B Common Stock	11/03/2025		G		410(1)	D	$0.00	3,462	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)	11/03/2025		C			1	(3)	(3)	Class B Common Stock	(2)	(3)	54	D

Explanation of Responses:

1. The reported transaction consists of gifts from Charlotte Guyman of 82 shares each of Class B common Stock to five charitable organizations.

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.

3. Not applicable.

	/s/ Charlotte Guyman	11/05/2025
	** 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.
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 did Berkshire Hathaway (BRK) director Charlotte Guyman report?

She converted 1 Class A share into 1,500 Class B shares and made charitable gifts of 410 Class B shares on 11/03/2025.

How many shares did Charlotte Guyman gift and to whom?

She gifted 82 Class B shares to each of five charitable organizations, totaling 410 shares.

What is the Class A to Class B conversion ratio at Berkshire Hathaway?

Each Class A share is convertible at any time into 1,500 Class B shares.

What were Charlotte Guyman’s holdings after the reported transactions?

She directly owned 3,462 Class B shares after the transactions.

What transaction codes were used in the filing?

Code C for conversion and Code G for gifts.

Were the transactions executed for cash consideration?

Both the conversion and gifts were reported at $0.00 per share.