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Topper James N
InsiderCIK 0001341382
Profile
- Filings
- 4
- Buy transactions
- 3
- Sell transactions
- 0
- Companies
- 2
- Active
- 2025–2026
Across 4 filings between 2025–2026, Topper James N has disclosed $58.4K in transactions — spread across 2 companies. Their disclosed trades are heavily weighted toward buying — $58.4K in buys and $0 in sells. The largest single open-market purchase on record is $31.5K in NewAmsterdam Pharma Co N.V.. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
4 loaded
| Aug 4 | ATTO Attovia Therapeutics, Inc. | Topper James N | Insider | Other | $0 |
| Sep 17 | NAMS NewAmsterdam Pharma Co N.V. | Topper James N | Insider | Buy | $15.6K |
| Sep 10 | NAMS NewAmsterdam Pharma Co N.V. | Topper James N | Insider | Buy | $31.5K |
| Aug 13 | NAMS NewAmsterdam Pharma Co N.V. | Topper James N | Insider | Buy | $11.3K |
4 filings