Warren E. Buffett - 10 Nov 2025 Form 4 Insider Report for BERKSHIRE HATHAWAY INC (BRK-B)

Signature
/s/ Warren E. Buffett
Issuer symbol
BRK-B
Transactions as of
10 Nov 2025
Net transactions value
$0
Form type
4
Filing time
12 Nov 2025, 16:18:32 UTC
Previous filing
16 Jul 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BUFFETT WARREN E Chairman and CEO, Director, 10%+ Owner 3555 FARNAM STREET, OMAHA /s/ Warren E. Buffett 12 Nov 2025 0000315090

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BRK.A Class B Common Stock Conversion of derivative security $0 +2,700,000 +242370% $0.000000 2,701,114 10 Nov 2025 Direct
transaction BRK.A Class B Common Stock Gift $0 -1,500,000 -56% $0.000000 1,201,114 10 Nov 2025 Direct F1
transaction BRK.A Class B Common Stock Gift $0 -400,000 -33% $0.000000 801,114 10 Nov 2025 Direct F1
transaction BRK.A Class B Common Stock Gift $0 -400,000 -50% $0.000000 401,114 10 Nov 2025 Direct F1
transaction BRK.A Class B Common Stock Gift $0 -400,000 -100% $0.000000 1,114 10 Nov 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BRK.A Class A Common Stock Conversion of derivative security -1,800 -0.91% 196,317 10 Nov 2025 See footnote Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.
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.
F3 Not applicable.