Warren E. Buffett
Chairman and CEO at Berkshire Hathaway Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Berkshire Hathaway Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Berkshire Hathaway Inc. May 2, 202697.6%
-
Berkshire Hathaway Inc. May 3, 202595.8%
-
Berkshire Hathaway Inc. May 4, 202496.1%
-
Berkshire Hathaway Inc. May 6, 202396.3%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 14, 2026 | Berkshire Hathaway Inc. | Derivative conversion | +12,000,000 | — | — |
| Jul 14, 2026 | Berkshire Hathaway Inc. | Gift | −9,000,000 | — | — |
| Jul 14, 2026 | Berkshire Hathaway Inc. | Gift | −1,000,000 | — | — |
| Jul 14, 2026 | Berkshire Hathaway Inc. | Gift | −1,000,000 | — | — |
| Jul 14, 2026 | Berkshire Hathaway Inc. | Gift | −1,000,000 | — | — |
| May 22, 2026 | Berkshire Hathaway Inc. | Gift | −160 | — | — |
| May 18, 2026 | Berkshire Hathaway Inc. | Derivative conversion | +37,500 | — | — |
| May 18, 2026 | Berkshire Hathaway Inc. | Gift | −18,646 | — | — |
| May 18, 2026 | Berkshire Hathaway Inc. | Gift | −18,646 | — | — |
| Jan 29, 2026 | DaVita Inc. | Open-market sale | −1,658,480 | $120.56 | $199,946,349 |
| Nov 10, 2025 | Berkshire Hathaway Inc. | Derivative conversion | +2,700,000 | — | — |
| Nov 10, 2025 | Berkshire Hathaway Inc. | Gift | −1,500,000 | — | — |
| Nov 10, 2025 | Berkshire Hathaway Inc. | Gift | −400,000 | — | — |
| Nov 10, 2025 | Berkshire Hathaway Inc. | Gift | −400,000 | — | — |
| Nov 10, 2025 | Berkshire Hathaway Inc. | Gift | −400,000 | — | — |
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