| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Newamsterdam Pharma Co N.V. (NAMS) has 13 insiders with recent SEC Form 4 filings, including 2 buys and 11 sells. NAMS is classified in the Biotechnology industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 3.03M | $105.54M | - | |
| CEO | 459.9K | $16.03M | - | |
| Other | 115.0K | $4.01M | - | |
| CFO | 58.4K | $2.03M | - | |
| Other | 55.0K | $1.92M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jan 7, 2026 | Davidson Michael H.66 | Chief Executive Officer | Sell | 11,582 | $0.00 | - | -3.0% | -4.3% | - | |
| Jan 5, 2026 | Kastelein Johannes Jacob Pieter54 | Chief Scientific Officer | Sell | 6,000 | $33.25 | $199,500.00 | -7.5% | +1.9% | - | |
| Jan 5, 2026 | Kooij Louise Frederika | Chief Accounting Officer | Sell | 2,647 | $33.25 | $88,012.75 | -17.6% | +1.9% | - | |
| Jan 5, 2026 | Somaiya Mayur Ian | Chief Financial Officer | Sell | 5,118 | $33.25 | $170,173.50 | -13.5% | +1.9% | - | |
| Dec 26, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sale+OE | 145,000 | $35.84 | $5,196,740.65 | -76.3% | -11.4% | - | |
| Sep 15, 2025 | Topper James N74 | Director | Buy | 660 | $23.70 | $15,638.90 | - | +46.6% | - | |
| Sep 9, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sale+OE | 150,000 | $25.83 | $3,874,016.80 | -54.2% | +34.4% | - | |
| Sep 8, 2025 | Topper James N74 | Director | Buy | 1,260 | $24.99 | $31,487.40 | - | +42.5% | - | |
| Sep 3, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sell | 18,073 | $25.09 | $453,451.57 | -54.6% | +54.1% | - | |
| Aug 25, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sell | 8,269 | $24.86 | $205,567.34 | -35.5% | +59.1% | - |