Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 3 boards, counting each seat separately. Longest: Twist Bioscience Corporation, 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.
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Twist Bioscience Corporation February 5, 202579.1%
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 |
|---|---|---|---|---|---|
| Sep 1, 2026 | Alamar Biosciences Inc. | Grant or award | +5,686 | — | — |
| Apr 8, 2026 | GRAIL Inc. | Open-market sale | −123,502 | $49.92 | $6,165,220 |
| Mar 9, 2026 | GRAIL Inc. | Open-market sale | −7,203 | $47.93 | $345,240 |
| Mar 9, 2026 | GRAIL Inc. | Open-market sale | −258 | $46.73 | $12,056 |
| Mar 5, 2026 | GRAIL Inc. | Open-market sale | −980 | $53.01 | $51,950 |
| Mar 2, 2026 | GRAIL Inc. | Open-market sale | −35,787 | $50.09 | $1,792,571 |
| Mar 2, 2026 | GRAIL Inc. | Open-market sale | −1,717 | $51.84 | $89,009 |
| Feb 5, 2026 | Twist Bioscience Corporation | Grant or award | +5,095 | — | — |
| Dec 3, 2025 | GRAIL Inc. | Open-market sale | −14,807 | $94.43 | $1,398,225 |
| Dec 3, 2025 | GRAIL Inc. | Open-market sale | −15,356 | $95.28 | $1,463,120 |
| Dec 3, 2025 | GRAIL Inc. | Open-market sale | −8,233 | $96.22 | $792,179 |
| Dec 3, 2025 | GRAIL Inc. | Open-market sale | −1,604 | $97.28 | $156,037 |
| Oct 15, 2025 | GRAIL Inc. | Open-market sale | −7,239 | $68.88 | $498,622 |
| May 2, 2025 | GRAIL Inc. | Open-market sale | −94,035 | $33.93 | $3,190,608 |
| Mar 7, 2025 | GRAIL Inc. | Open-market sale | −7,625 | $31.21 | $237,976 |
Questions about Robert P. Ragusa
What boards is Robert P. Ragusa on?
Robert P. Ragusa sits on the boards of Alamar Biosciences Inc., GRAIL Inc. and Twist Bioscience Corporation.
What company is Robert P. Ragusa the CEO of?
Robert P. Ragusa is Chief Executive Officer of GRAIL Inc.
How long has Robert P. Ragusa served on boards?
Our records show at least 6 years of board service across 3 boards, the earliest from 2023.
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