LANGE LOUIS G (CIK 1238401) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-12). Recent activity: Sell NAMS (44,173 shares), Sell NAMS (446 shares), Sell NAMS (28,186 shares), Buy NAMS (44,619 shares), Buy NAMS (3,400 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-12 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Sell | 44,173 | $1.3M |
| 2026-03-12 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Sell | 446 | $13,929 |
| 2026-03-10 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Sell | 28,186 | $828,950 |
| 2026-03-10 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Buy | 44,619 | $513,118 |
| 2026-01-09 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Buy | 3,400 | $0 |
| 2025-06-03 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Buy | 68 | $0 |
| 2025-05-02 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Buy | 69 | $0 |
| 2025-04-21 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Buy | 69 | $0 |
| 2025-03-28 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Buy | 3,102 | $0 |
Source: SEC Form 4 filings · as of 2026-03-12