| 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. In the past 30 days, 0 insiders bought and 1 sold. The bias lately has been to the sell side.
The insider who sold still holds shares after the sale. 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 | - | -50,246 | |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 2, 2026 | Davidson Michael H.65 | Chief Executive Officer | Sale+OE | 443,707 | $33.25 | $14,753,257.75 | -71.8% | -3.2% | - | |
| Feb 26, 2026 | Davidson Michael H.65 | Chief Executive Officer | Sale+OE10b5-1 | 306,293 | $34.53 | $10,575,091.20 | -63.8% | +6.7% | - | |
| Feb 20, 2026 | Kastelein Johannes Jacob Pieter54 | Chief Scientific Officer | Sell | 45,481 | $35.31 | $1,605,997.94 | -45.9% | +0.4% | - | |
| Jan 28, 2026 | Kooij Louise Frederika | Chief Accounting Officer | Sale+OE10b5-1 | 72,428 | $32.25 | $2,335,859.52 | -74.8% | -9.9% | - | |
| Jan 26, 2026 | Kooij Louise Frederika | Chief Accounting Officer | Sale+OE10b5-1 | 72,572 | $33.29 | $2,415,843.11 | -74.9% | -5.9% | - | |
| Jan 21, 2026 | Somaiya Mayur Ian | Chief Financial Officer | Sale+OE10b5-1 | 100,000 | $32.61 | $3,260,617.98 | -63.1% | -4.3% | - | |
| Jan 7, 2026 | Davidson Michael H.65 | Chief Executive Officer | Sell10b5-1 | 11,582 | $0.00 | - | -3.0% | -4.3% | - | |
| Jan 5, 2026 | Kastelein Johannes Jacob Pieter54 | Chief Scientific Officer | Sell10b5-1 | 6,000 | $33.25 | $199,500.00 | -7.5% | +1.9% | - | |
| Jan 5, 2026 | Kooij Louise Frederika | Chief Accounting Officer | Sell10b5-1 | 2,647 | $33.25 | $88,012.75 | -17.6% | +1.9% | - | |
| Jan 5, 2026 | Somaiya Mayur Ian | Chief Financial Officer | Sell10b5-1 | 5,118 | $33.25 | $170,173.50 | -13.5% | +1.9% | - |