Michael H. Davidson is CEO at NewAmsterdam Pharma Co N.V. (NAMS). They have made 6 open-market trades across 2 companies since 2020, most recently 2026-09-14.
CIK 0001573785
4 open-market purchases totalling $580K since 2020, against 2 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| NAMS | 792,923 | $15.7M |
| CLBS | 209,753 | $1.3M |
| TENX | 47,500 | $65K |
| OMTH | 964,587 | — |
| Total | $17.1M |
Shares reported on the most recent Form 4, priced at the 2026-09-15 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| NAMS | BUY | 2026-09-14 | 2026-09-15 | $22.65 | $227K | +3.8% | -5.2% | — |
| NAMS | SELL | 2026-03-02 | 2026-03-02 | $33.25 | $14.8M | -6.8% | +2.5% | -0.6% |
| NAMS | SELL | 2026-02-24 | 2026-02-26 | $34.53 | $10.6M | -6.4% | -12.2% | +9.3% |
| NAMS | BUY | 2024-08-20 | 2024-08-22 | $16.27 | $81K | -4.8% | -8.1% | +18.9% |
| NAMS | BUY | 2024-06-20 | 2024-06-24 | $17.26 | $173K | +1.8% | -3.8% | -21.2% |
| CLBS | BUY | 2020-09-09 | 2020-09-10 | $1.80 | $100K | -1.6% | -4.9% | -16.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.