Time on boards
- Boards served
- 4
- Current seats
- 4
- Board service
- 10 years
- Director since
- 2023
10 years of board service in total across 4 boards, counting each seat separately. Longest: AnaptysBio 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.
-
NewAmsterdam Pharma Company N.V. June 4, 202588.5%
-
Phathom Pharmaceuticals Inc. June 3, 202578.0%
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 |
|---|---|---|---|---|---|
| May 19, 2026 | Phathom Pharmaceuticals Inc. | Grant or award | +24,122 | — | — |
| Sep 15, 2025 | NewAmsterdam Pharma Company N.V. | Open-market purchase | +660 | $23.70 | $15,642 |
| Sep 8, 2025 | NewAmsterdam Pharma Company N.V. | Open-market purchase | +1,260 | $24.99 | $31,487 |
| Aug 11, 2025 | NewAmsterdam Pharma Company N.V. | Open-market purchase | +471 | $23.98 | $11,295 |
| Jun 25, 2025 | NewAmsterdam Pharma Company N.V. | Open-market purchase | +1,260 | $18.26 | $23,008 |
| Jun 24, 2025 | NewAmsterdam Pharma Company N.V. | Open-market purchase | +2,520 | $18.43 | $46,444 |
| Jun 16, 2025 | NewAmsterdam Pharma Company N.V. | Open-market purchase | +8,584 | $19.50 | $167,388 |
| Jun 3, 2025 | Phathom Pharmaceuticals Inc. | Grant or award | +10,500 | — | — |
| May 21, 2025 | Phathom Pharmaceuticals Inc. | Open-market purchase | +3,780 | $3.86 | $14,591 |
| May 14, 2025 | Phathom Pharmaceuticals Inc. | Open-market purchase | +6,300 | $3.32 | $20,916 |
| May 13, 2025 | Phathom Pharmaceuticals Inc. | Open-market purchase | +1,120 | $3.16 | $3,539 |
| May 12, 2025 | Phathom Pharmaceuticals Inc. | Open-market purchase | +12,601 | $3.04 | $38,307 |
| May 9, 2025 | Phathom Pharmaceuticals Inc. | Open-market purchase | +33,376 | $3.19 | $106,469 |
| May 9, 2025 | Phathom Pharmaceuticals Inc. | Open-market purchase | +2,226 | $3.62 | $8,058 |
| Mar 26, 2025 | NewAmsterdam Pharma Company N.V. | Open-market purchase | +1,135 | $22.49 | $25,526 |
Questions about James N. Topper
What boards is James N. Topper on?
James N. Topper sits on the boards of AnaptysBio Inc., Attovia Therapeutics Inc., NewAmsterdam Pharma Company N.V. and Phathom Pharmaceuticals Inc.
How long has James N. Topper served on boards?
Our records show at least 10 years of board service across 4 boards, the earliest from 2023.
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