TOP TIERMARKET NEWSWIRE
SEC Form 4 history

NEWAMSTERDAM PHARMA (NAMS) insider trades

NEWAMSTERDAM PHARMA (NAMS) insider trading activity (SEC Form 4). Over the trailing 90 days, NAMS insiders filed 1 purchases totalling $227K and 3 sales totalling $6.6M — net SELLING of $6.4M. Most recent filing: Sep 15, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

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Buys (90d)
1
$227K
Sells (90d)
3
$6.6M
Net (90d)
-$6.4M
net selling
Most recent
Sep 15, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Sep 15, 2026Davidson Michael H.CEOP Purchase—$22.65$227Kfiling
Sep 9, 2026Smither John WDirS Sale—$25.32$41Kfiling
Aug 25, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerS SaleOE—$26.91$3.4Mfiling
Jul 22, 2026Kooij Louise FrederikaChief Accounting OfficerS SaleOE—$30.34$3.2Mfiling
Jun 24, 2026Kooij Louise FrederikaChief Accounting OfficerS SaleOE—$30.20$1.2Mfiling
May 27, 2026Kooij Louise FrederikaChief Accounting OfficerS SaleOE—$35.69$2.3Mfiling