| 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 |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in NAMS over the last quarter tilts toward selling: insiders offloaded a net 166,846 shares worth roughly $4.4M.
Classified under Biotechnology (Health Care sector), NAMS's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 792.9K | $17.96M | - | |
| Other | 69.3K | - | - | |
| CFO | 58.4K | $540.6K | - | |
| Other | 24.4K | $756.2K | - | |
| Dir | 14.3K | - | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 26, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sale+OE10b5-1 | 145,000 | $35.84 | $5,196,740.65 | -90.6% | -11.4% | - | |
| Sep 15, 2025 | Topper James N89 | Director | Buy | 660 | $23.70 | $15,638.90 | - | +46.6% | -12.3% | |
| Sep 9, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sale+OE | 150,000 | $25.83 | $3,874,016.80 | -90.9% | +34.4% | -14.3% | |
| Sep 8, 2025 | Topper James N89 | Director | Buy | 1,260 | $24.99 | $31,487.40 | - | +42.5% | +2.2% | |
| Sep 3, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sell | 18,073 | $25.09 | $453,451.57 | -54.6% | +54.1% | +3.9% | |
| Aug 25, 2025 | Kooij Louise Frederika | Chief Accounting Officer | Sell | 8,269 | $24.86 | $205,567.34 | -35.5% | +59.1% | +10.7% | |
| Aug 22, 2025 | Kastelein Johannes Jacob Pieter54 | Chief Scientific Officer | Sell | 100,000 | $24.72 | $2,471,639.78 | -59.1% | +50.8% | +11.5% | |
| Aug 11, 2025 | Topper James N89 | Director | Buy | 471 | $23.98 | $11,293.97 | - | +59.9% | +13.3% | |
| Jul 16, 2025 | Kling Douglas F | Chief Operating Officer | Sale+OE10b5-1 | 98,612 | $21.26 | $2,096,655.08 | -69.1% | +81.0% | - | |
| Jun 25, 2025 | Topper James N89 | Director | Buy | 3,780 | $18.38 | $69,466.07 | +0.1% | +45.5% | - |