NewAmsterdam Pharma Co N.V. (NAMS) insider trading
NewAmsterdam Pharma Co N.V. insiders have made 1 open-market purchase worth $227k since Sep 15, 2026, by 1 insider. The latest: Michael H. Davidson (CEO) bought $227k, filed Sep 15, 2026, scored 36 out of 100.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 15 Form 4 (opens sec.gov) |
Michael H. DavidsonCEOCEO · Near 52-week low | +1% stake | 36 | $227k 10,000 at $22.65 |
+7.1% | −6.4% |
Track record (hypothetical): a week after the filing, these buys averaged +7.1% (100% up, 1 measured); a month after, −6.4% (0% up, 1 measured).
Insider sales
1 open-market sale on record
| Filed | Insider | Sold |
|---|---|---|
| Oct 2 Form 4 (opens sec.gov) |
Johannes Jacob Pieter KasteleinChief Scientific Officer · planned (10b5-1) · option shares | $1.3M 50,246 at $25.03 |
Most insider sales are planned in advance or made for personal reasons, so a sale says less than a buy.
Insiders who bought NAMS
Questions
Are insiders buying NAMS stock?
Yes. In the last 90 days, 1 open-market purchase was filed, worth $227k, against $1.3M of open-market sales.
Who bought NAMS stock most recently?
Michael H. Davidson, CEO, bought 10,000 shares for $227k (Form 4 (opens sec.gov), filed Sep 15, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
Data as of Oct 2, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer