Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Neurocrine Biosciences Inc., 3 years.
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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Arcus Biosciences Inc. June 11, 202682.4%
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 |
|---|---|---|---|---|---|
| Oct 15, 2026 | Gilead Sciences Inc. | Open-market sale | −3,000 | $156.22 | $468,660 |
| Sep 15, 2026 | Gilead Sciences Inc. | Open-market sale | −1,600 | $143.69 | $229,904 |
| Sep 15, 2026 | Gilead Sciences Inc. | Open-market sale | −800 | $144.46 | $115,568 |
| Sep 15, 2026 | Gilead Sciences Inc. | Open-market sale | −600 | $145.29 | $87,174 |
| Sep 10, 2026 | Gilead Sciences Inc. | Option exercise | +2,797 | — | — |
| Sep 10, 2026 | Gilead Sciences Inc. | Shares withheld for tax | −1,347 | $144.81 | $195,059 |
| Aug 17, 2026 | Gilead Sciences Inc. | Option exercise | +23,110 | $66.64 | $1,540,050 |
| Aug 17, 2026 | Gilead Sciences Inc. | Option exercise | +1,890 | $72.34 | $136,723 |
| Aug 17, 2026 | Gilead Sciences Inc. | Open-market sale | −16,530 | $137.37 | $2,270,726 |
| Aug 17, 2026 | Gilead Sciences Inc. | Open-market sale | −11,470 | $138.04 | $1,583,319 |
| Jul 15, 2026 | Gilead Sciences Inc. | Open-market sale | −3,000 | $129.92 | $389,760 |
| Jun 15, 2026 | Gilead Sciences Inc. | Open-market sale | −1,480 | $123.42 | $182,662 |
| Jun 15, 2026 | Gilead Sciences Inc. | Open-market sale | −1,070 | $124.00 | $132,680 |
| Jun 15, 2026 | Gilead Sciences Inc. | Open-market sale | −450 | $125.40 | $56,430 |
| Jun 10, 2026 | Gilead Sciences Inc. | Option exercise | +2,796 | — | — |
Questions about Johanna Mercier
What boards is Johanna Mercier on?
Johanna Mercier sits on the boards of Arcus Biosciences Inc. and Neurocrine Biosciences Inc.
How long has Johanna Mercier served on boards?
Our records show at least 6 years of board service across 2 boards, the earliest from 2023.
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