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BRK-B SEC Filing News — Berkshire Hathaway Inc.

Latest SEC filings for Berkshire Hathaway Inc. (BRK-B) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
Form 8-K Material Company Update 2026-04-16

BRK-B filed 8-K — material company event

BERKSHIRE HATHAWAY INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 4 Tax / Compensation Filing 2026-03-27

BRK-B insider Form 4 filed for equity award, exercise, or tax withholding

Jain Ajit (Director, Vice Chairman) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Jain Ajit (Director, Vice Chairman) Shares: 22
View on SEC EDGAR → Open Filing Document →
Form 4 Tax / Compensation Filing 2026-03-19

BRK-B insider Form 4 filed for equity award, exercise, or tax withholding

BUFFETT WARREN E (Director, Chairman and CEO, 10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: BUFFETT WARREN E (Director, Chairman and CEO, 10% Owner)
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2026-03-05

BRK-B filed 8-K — material company event

BERKSHIRE HATHAWAY INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 4 Tax / Compensation Filing 2026-03-05

BRK-B insider Form 4 filed for equity award, exercise, or tax withholding

Abel Gregory E. (Director, See Remarks) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Abel Gregory E. (Director, See Remarks)
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2026-03-02

BRK-B filed 8-K — material company event

BERKSHIRE HATHAWAY INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 10-K Annual Report 2026-03-02

BRK-B filed Annual Report (10-K)

BERKSHIRE HATHAWAY INC filed its annual report with the SEC. This report includes audited financial statements, business overview, risk factors, and management discussion.

Filing: 10-K (Annual Report)
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-02-17

BRK-B insider BERKSHIRE HATHAWAY INC (10% Owner) sold 330,518 shares (~$27.39M)

BERKSHIRE HATHAWAY INC, listed as 10% Owner at BERKSHIRE HATHAWAY INC, reported an open-market sale of 330,518 BRK-B shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BERKSHIRE HATHAWAY INC (10% Owner) Shares: 330,518 Est. Value: $27.39M
View on SEC EDGAR → Open Filing Document →
Form 4 Insider Selling 2026-02-02

BRK-B insider BERKSHIRE HATHAWAY INC (10% Owner) sold 1,658,480 shares (~$199.94M)

BERKSHIRE HATHAWAY INC, listed as 10% Owner at BERKSHIRE HATHAWAY INC, reported an open-market sale of 1,658,480 BRK-B shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BERKSHIRE HATHAWAY INC (10% Owner) Shares: 1,658,480 Est. Value: $199.94M
View on SEC EDGAR → Open Filing Document →
Form 8-K/A Amended Material Company Update 2026-01-06

BRK-B filed amended 8-K — material company event

BERKSHIRE HATHAWAY INC filed an amended 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K/A (Material Event Amendment)
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2025-12-11

BRK-B filed 8-K — material company event

BERKSHIRE HATHAWAY INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2025-11-21

BRK-B filed 8-K — material company event

BERKSHIRE HATHAWAY INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 4 Tax / Compensation Filing 2025-11-12

BRK-B insider Form 4 filed for equity award, exercise, or tax withholding

BUFFETT WARREN E (Director, Chairman and CEO, 10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: BUFFETT WARREN E (Director, Chairman and CEO, 10% Owner) Shares: 5,400,000
View on SEC EDGAR → Open Filing Document →
Form 4 Tax / Compensation Filing 2025-11-05

BRK-B insider Form 4 filed for equity award, exercise, or tax withholding

GUYMAN CHARLOTTE (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: GUYMAN CHARLOTTE (Director) Shares: 1,910
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2025-11-03

BRK-B filed 8-K — material company event

BERKSHIRE HATHAWAY INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
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