🕵️ Berkshire Hathaway Inc ($BRK.A)
SEC insider & ownership activity, last 12 months · CIK 1067983 · every row links its SEC filing
Over the last 12 months insiders sold in 1 filings whose value could not be assessed. Gregory E. Abel bought $15.3M (Mar). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $17.3M (25 lots) · 1 seller, $0 (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Gregory E. Abel | 18 | $15.3M | 0 | – | Mar 4, 2026 |
| Charles C. Chang | 2 | $1.5M | 0 | – | Aug 12, 2026 |
| Michael J. O'Sullivan | 5 | $501K | 0 | – | Aug 12, 2026 |
| Jain Ajit | 0 | – | 1 | – | Sep 26, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Warren E. Buffett | 38.2% | Class A | 13D | Jul 14, 2026 | filing ↗ |
| Vanguard Capital Management | 9.7% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 8, 2026 | filing ↗ |
| Earnings (2.02) | May 2, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 2, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | May 2, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 2, 2026 | filing ↗ |
| Other events (8.01) | Apr 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 16, 2026 | filing ↗ |
| Other events (8.01) | Mar 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 4, 2026 | filing ↗ |
| Earnings (2.02) | Feb 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 8, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 8, 2025 | filing ↗ |
| Other events (8.01) | Nov 20, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 20, 2025 | filing ↗ |
| Earnings (2.02) | Nov 1, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 1, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Sep 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 30, 2025 | filing ↗ |
| Officer/director changes (5.02) | May 3, 2025 | filing ↗ |