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: Ionis Pharmaceuticals 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.
-
Ionis Pharmaceuticals Inc. June 4, 202685.2%
-
Ionis Pharmaceuticals Inc. June 1, 202375.9%
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 |
|---|---|---|---|---|---|
| Jul 15, 2026 | Ionis Pharmaceuticals Inc. | Option exercise | +5,220 | — | — |
| Jun 15, 2026 | Ionis Pharmaceuticals Inc. | Option exercise | +8,000 | $24.42 | $195,360 |
| Jun 15, 2026 | Ionis Pharmaceuticals Inc. | Open-market sale | −8,000 | $73.49 | $587,920 |
| Jun 1, 2026 | Ionis Pharmaceuticals Inc. | Option exercise | +8,000 | $24.42 | $195,360 |
| Jun 1, 2026 | Ionis Pharmaceuticals Inc. | Open-market sale | −8,000 | $75.67 | $605,360 |
| Jul 15, 2025 | Ionis Pharmaceuticals Inc. | Option exercise | +4,079 | — | — |
| Jul 15, 2024 | Ionis Pharmaceuticals Inc. | Option exercise | +4,677 | — | — |
| Jun 17, 2024 | Ionis Pharmaceuticals Inc. | Option exercise | +16,000 | $35.53 | $568,480 |
| Jun 17, 2024 | Ionis Pharmaceuticals Inc. | Open-market sale | −16,000 | $40.29 | $644,640 |
| Jul 17, 2023 | Ionis Pharmaceuticals Inc. | Option exercise | +1,777 | — | — |
| Jul 17, 2023 | Ionis Pharmaceuticals Inc. | Option exercise | +5,333 | — | — |
| Jun 20, 2023 | Ionis Pharmaceuticals Inc. | Option exercise | +11,250 | $28.47 | $320,288 |
Questions about Spencer R. Berthelsen
What boards is Spencer R. Berthelsen on?
Spencer R. Berthelsen sits on the board of Ionis Pharmaceuticals Inc.
How long has Spencer R. Berthelsen served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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