Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 2 years
- Director since
- 2024
2 years of board service in total across 1 board, counting each seat separately. Longest: Beam Therapeutics Inc., 1 year.
Beam Therapeutics Inc.
Director
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 |
|---|---|---|---|---|---|
| Aug 13, 2026 | Merck & Company Inc. | Open-market sale | −10,000 | $135.00 | $1,350,000 |
| Aug 6, 2026 | Merck & Company Inc. | Open-market sale | −15,000 | $131.00 | $1,965,000 |
| Apr 29, 2026 | Merck & Company Inc. | Option exercise | +1,967 | $110.03 | $216,429 |
| Apr 29, 2026 | Merck & Company Inc. | Shares withheld for tax | −969 | $110.03 | $106,619 |
| Feb 12, 2026 | Merck & Company Inc. | Open-market sale | −10,000 | $121.46 | $1,214,600 |
| Feb 9, 2026 | Merck & Company Inc. | Open-market sale | −10,000 | $118.41 | $1,184,100 |
| Feb 5, 2026 | Merck & Company Inc. | Open-market sale | −20,000 | $121.88 | $2,437,600 |
| Jan 26, 2026 | Merck & Company Inc. | Grant or award | +9,865 | $107.40 | $1,059,501 |
| Aug 4, 2025 | Merck & Company Inc. | Option exercise | +36,903 | $79.29 | $2,926,039 |
| Aug 4, 2025 | Merck & Company Inc. | Shares withheld for tax | −18,175 | $79.29 | $1,441,096 |
| Jan 27, 2025 | Merck & Company Inc. | Grant or award | +28,158 | $97.94 | $2,757,795 |
Questions about Chirfi Guindo
What boards is Chirfi Guindo on?
Chirfi Guindo sits on the board of Beam Therapeutics Inc.
How long has Chirfi Guindo served on boards?
Our records show at least 2 years of board service across 1 board, the earliest from 2024.
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