N James Topper
Affiliations
- at Newamsterdam Pharma Co N.v. (NAMS), 2025-06-18
- at Phathom Pharmaceuticals Inc. (PHAT), 2025-06-05
- at Mbx Biosciences Inc. (MBX), 2024-09-18
- Large Shareholder at Hillevax Inc. (HLVX), 2024-05-31
- Director at Alpine Immune Sciences Inc. (ALPN), 2024-05-21
- Large Shareholder at Arcutis Biotherapeutics Inc. (ARQT), 2023-10-26
- Large Shareholder, Director at Anaptysbio Inc (ANAB), 2023-01-11
- Chief Executive Officer at Frazier Lifesciences Acquisition Corp (FLAC), 2020-12-17
- Large Shareholder, Director at Allena Pharmaceuticals Inc. (ALNA), 2020-11-18
- Large Shareholder at Tarsus Pharmaceuticals Inc. (TARS), 2020-10-21
- Director at Aptinyx Inc. (APTX), 2020-04-02
- Large Shareholder at Passage Bio Inc. (PASG), 2020-03-03
- Large Shareholder at Entasis Therapeutics Holdings Inc. (ETTX), 2020-01-13
- Large Shareholder at Mirum Pharmaceuticals Inc. (MIRM), 2019-07-24
- Large Shareholder, Director at Sierra Oncology Inc. (SRRA), 2017-02-16
- Large Shareholder at Glaukos Corp (GKOS), 2015-06-30
- Large Shareholder at Collegium Pharmaceutical Inc (COLL), 2015-05-14
- Director at Amicus Therapeutics Inc (FOLD), 2014-06-16
- Director at Portola Pharmaceuticals Inc (PTLA), 2013-06-07
- Director at La Jolla Pharmaceutical Co (LJPC), 2009-02-26
Insider Trading: Purchases See All
| Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| NAMS | $19.50 | 8,584 | $167,381.13 | 3,022,153 | 2025-06-16 | Filing |
| PHAT | $3.86 | 3,780 | $14,609.32 | 59,403 | 2025-05-21 | Filing |
| PHAT | $3.32 | 6,300 | $20,919.15 | 55,623 | 2025-05-14 | Filing |
| PHAT | $3.16 | 1,120 | $3,543.34 | 49,323 | 2025-05-13 | Filing |
| PHAT | $3.04 | 12,601 | $38,300.74 | 48,203 | 2025-05-12 | Filing |
Insider Trading: Sales See All