| 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 4 buys and 13 sells. NAMS is classified in the Biotechnology industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 3.03M | $121.82M | - | |
| CEO | 459.9K | $18.50M | - | |
| Other | 115.0K | $4.63M | - | |
| CFO | 58.4K | $2.35M | - | |
| Other | 55.0K | $2.21M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | Kastelein Johannes Jacob Pieter54 | Chief Scientific Officer | Sell | 100,000 | $24.72 | $2,471,639.78 | -27.4% | +50.8% | - | |
| Aug 11, 2025 | Topper James N74 | Director | Buy | 471 | $23.98 | $11,293.97 | - | +59.9% | - | |
| Jul 16, 2025 | Kling Douglas F | Chief Operating Officer | Sale+OE | 98,612 | $21.26 | $2,096,655.08 | -42.1% | +81.0% | - | |
| Jun 25, 2025 | Topper James N74 | Director | Buy | 3,780 | $18.38 | $69,466.07 | - | +45.5% | - | |
| Jun 16, 2025 | Kling Douglas F | Chief Operating Officer | Sale+OE | 100,000 | $19.29 | $1,929,141.04 | -48.5% | +22.1% | - | |
| Jun 16, 2025 | Topper James N74 | - | Buy | 8,584 | $19.50 | $167,381.13 | +0.3% | +22.1% | - | |
| May 15, 2025 | Kling Douglas F | Chief Operating Officer | Sale+OE | 100,000 | $0.00 | - | -69.4% | +37.8% | - | |
| Apr 15, 2025 | Kling Douglas F | Chief Operating Officer | Sale+OE | 100,000 | $0.00 | - | -52.9% | +38.0% | +116.4% | |
| Mar 26, 2025 | Kling Douglas F | Chief Operating Officer | Sale+OE | 16,539 | $0.00 | - | -27.3% | -18.4% | +38.5% | |
| Mar 26, 2025 | Davidson Michael H.66 | Chief Executive Officer | Sale+OE | 12,258 | $0.00 | - | -3.0% | -18.4% | +38.5% |