BRK-B

BERKSHIRE HATHAWAY INC SEC Filings

BRK-B

Latest BERKSHIRE HATHAWAY INC (BRK-B) SEC filings and EDGAR documents — 8-K current reports, 10-K/10-Q, Form 4 insider trades, with AI summaries.

NYSE, NYSEFire, Marine & Casualty InsuranceCIK: 0001067983
BERKSHIRE HATHAWAY INC (BRK-B)4

BUFFETT WARREN E bought 12,000,000 shares at $0.00 on 2026-07-14; BUFFETT WARREN E sold 9,000,000 shares at $0.00 on 2026-07-14 (+2 more)

Jul 15
BERKSHIRE HATHAWAY INC (BRK-B)4

Jain Ajit sold 3 shares of Class B Common Stock at $N/A on 2026-07-01; Jain Ajit transacted N/A shares of Class B Common Stock at $N/A on N/A; Jain Ajit transacted N/A shares of Class A Common Stock at $N/A on N/A

Jul 2
BERKSHIRE HATHAWAY INC (BRK-B)3

Chang Charles C transacted N/A shares of Class A Common Stock at $N/A on N/A

Jun 10
BERKSHIRE HATHAWAY INC (BRK-B)4

BUFFETT WARREN E sold 160 shares of Class B Common Stock at $N/A on 2026-05-22; BUFFETT WARREN E transacted N/A shares of Class A Common Stock at $N/A on N/A

May 26
BERKSHIRE HATHAWAY INC (BRK-B)4

BUFFETT WARREN E bought 37,500 shares of Class B Common Stock at $N/A on 2026-05-18; BUFFETT WARREN E sold 18,646 shares of Class B Common Stock at $N/A on 2026-05-18; BUFFETT WARREN E sold 25 shares of Class A Common Stock at $N/A on 2026-05-18

May 20
BERKSHIRE HATHAWAY INC (BRK-B)4

GUYMAN CHARLOTTE sold 574 shares of Class B Common Stock at $N/A on 2026-05-14

May 18
BERKSHIRE HATHAWAY INC (BRK-B)8-K

8-K current report

May 7
BERKSHIRE HATHAWAY INC (BRK-B)4

O'Sullivan Michael J. bought 483 shares of Class B Common Stock at $467.13 on 2026-05-06; O'Sullivan Michael J. bought 53 shares of Class B Common Stock at $470.22 on 2026-05-06

May 6
BERKSHIRE HATHAWAY INC (BRK-B)3

O'Sullivan Michael J. transacted N/A shares of Class B Common Stock at $N/A on N/A

May 5
BERKSHIRE HATHAWAY INC (BRK-B)10-Q

BERKSHIRE HATHAWAY INC filed 10-Q on 2026-05-04

May 4
BERKSHIRE HATHAWAY INC (BRK-B)8-K

8-K current report

Apr 16
BERKSHIRE HATHAWAY INC (BRK-B)4

Jain Ajit sold 22 shares of Class B Common Stock at $N/A on 2026-03-27; Jain Ajit transacted N/A shares of Class B Common Stock at $N/A on N/A; Jain Ajit transacted N/A shares of Class A Common Stock at $N/A on N/A

Mar 27
BERKSHIRE HATHAWAY INC (BRK-B)4

BUFFETT WARREN E transacted N/A shares of Class B Common Stock at $N/A on N/A; BUFFETT WARREN E sold 2 shares of Class A Common Stock at $N/A on 2026-03-17

Mar 19
BERKSHIRE HATHAWAY INC (BRK-B)8-K

8-K current report

Mar 5
BERKSHIRE HATHAWAY INC (BRK-B)4

Abel Gregory E. transacted N/A shares of Class B Common Stock at $N/A on N/A; Abel Gregory E. bought 1 shares of Class A Common Stock at $725,210.19 on 2026-03-04; Abel Gregory E. bought 2 shares of Class A Common Stock at $727,185.00 on 2026-03-04

Mar 5
BERKSHIRE HATHAWAY INC (BRK-B)8-K

8-K current report

Mar 2
BERKSHIRE HATHAWAY INC (BRK-B)10-K

BERKSHIRE HATHAWAY INC filed 10-K on 2026-03-02

Mar 2
BERKSHIRE HATHAWAY INC (BRK-B)8-K/A

8-K/A current report

Jan 6