All insiders
DH
Davidson Michael H.
CEOPrimarily NAMS
1% buying99% selling
Total Trades
9
1 buys · 8 sells
Total Bought
$226.50K
Total Sold
$25.33M
Companies
1
Buy Win Rate
—
insufficient data
Avg Buy Return*
-13.58%
Best buy (vs current price)
NAMS — bought $226.50K at $22.65, +-13.6% since (Sep 14, 2026)
Active
Feb 24, 2026 → Sep 14, 2026
Trade Volume by Year
Buy Sell
Top Traded Sectors
Pharmaceutical Preparations9
Most-Traded Stocks
 NAMSNewAmsterdam Pharma Co N.V. | 9 | 1B / 8S | $25.55M |
Trade History
| Sep 14, 2026 | NAMS | BUY | 10,000 | $22.65 | $226.50K | -13.6% |
| Mar 2, 2026 | NAMS | SELL | 443,707 | $33.25 | $14.75M | — |
| Feb 26, 2026 | NAMS | SELL | 17,924 | $34.44 | $617.30K | — |
| Feb 26, 2026 | NAMS | SELL | 165,408 | $33.63 | $5.56M | — |
| Feb 25, 2026 | NAMS | SELL | 1,300 | $36.68 | $47.68K | — |
| Feb 25, 2026 | NAMS | SELL | 10,436 | $35.96 | $375.28K | — |
| Feb 25, 2026 | NAMS | SELL | 46,517 | $35.11 | $1.63M | — |
| Feb 24, 2026 | NAMS | SELL | 3,161 | $36.46 | $115.25K | — |
| Feb 24, 2026 | NAMS | SELL | 61,547 | $36.13 | $2.22M | — |
*Return = current share price vs the insider’s purchase price (buys only). Not the insider’s realized return. Informational only — not investment advice.