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: Arcus Biosciences Inc., 3 years.
Arcus Biosciences Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Arcus Biosciences Inc. June 10, 202582.9%
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 |
|---|---|---|---|---|---|
| Jun 11, 2026 | Arcus Biosciences Inc. | Grant or award | +5,700 | — | — |
| Dec 16, 2025 | Arcus Biosciences Inc. | Gift | −5,050 | — | — |
| Jun 10, 2025 | Arcus Biosciences Inc. | Grant or award | +13,300 | — | — |
| Jun 6, 2024 | Arcus Biosciences Inc. | Grant or award | +8,400 | — | — |
| Jun 15, 2023 | Arcus Biosciences Inc. | Grant or award | +6,800 | — | — |
Questions about Antoni Ribas
What boards is Antoni Ribas on?
Antoni Ribas sits on the board of Arcus Biosciences Inc.
How long has Antoni Ribas served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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