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., 2 years.
Berkshire Hathaway Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Berkshire Hathaway Inc. May 2, 202687.6%
-
Berkshire Hathaway Inc. May 3, 202586.8%
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Berkshire Hathaway Inc. May 4, 202485.9%
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Berkshire Hathaway Inc. May 6, 202386.3%
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 |
|---|---|---|---|---|---|
| May 14, 2026 | Berkshire Hathaway Inc. | Gift | −574 | — | — |
| Nov 3, 2025 | Berkshire Hathaway Inc. | Derivative conversion | +1,500 | — | — |
| Nov 3, 2025 | Berkshire Hathaway Inc. | Gift | −410 | — | — |
| Mar 19, 2025 | Berkshire Hathaway Inc. | Gift | −1,000 | — | — |
| Dec 24, 2024 | Berkshire Hathaway Inc. | Gift | −247 | — | — |
| Dec 9, 2024 | Berkshire Hathaway Inc. | Gift | −84 | — | — |
| Dec 9, 2024 | Berkshire Hathaway Inc. | Gift | −84 | — | — |
| Dec 9, 2024 | Berkshire Hathaway Inc. | Gift | −84 | — | — |
| Dec 9, 2024 | Berkshire Hathaway Inc. | Gift | −84 | — | — |
| Nov 5, 2024 | Berkshire Hathaway Inc. | Derivative conversion | +3,000 | — | — |
| Dec 14, 2023 | Berkshire Hathaway Inc. | Gift | −105 | — | — |
| Dec 14, 2023 | Berkshire Hathaway Inc. | Gift | −98 | — | — |
| Dec 14, 2023 | Berkshire Hathaway Inc. | Gift | −65 | — | — |
| Dec 12, 2023 | Berkshire Hathaway Inc. | Gift | −148 | — | — |
| Dec 12, 2023 | Berkshire Hathaway Inc. | Gift | −113 | — | — |
Questions about Charlotte Guyman
What boards is Charlotte Guyman on?
Charlotte Guyman sits on the board of Berkshire Hathaway Inc.
How long has Charlotte Guyman served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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