Robert P. Ragusa
Chief Executive Officer at GRAIL Inc.
Sits on 3 boards. Last updated September 27, 2026
Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 3 boards, counting each seat separately. Longest: Twist Bioscience Corporation, 3 years.
Twist Bioscience Corporation
Director
GRAIL Inc.
Director · Chief Executive Officer
Alamar Biosciences Inc.
Director
Chief executive roles
GRAIL Inc.
· Chief Executive Officer
Dates unknown
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 |
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