NEWAMSTERDAM PHARMA (NAMS) insider trading activity (SEC Form 4). Over the trailing 90 days, NAMS insiders filed 0 purchases totalling $0 and 3 sales totalling $6.7M — net SELLING of $6.7M. Most recent filing: Jul 22, 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.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jul 22, 2026 | Kooij Louise Frederika | Chief Accounting Officer | S SaleOE | — | $30.34 | $3.2M | filing |
| Jun 24, 2026 | Kooij Louise Frederika | Chief Accounting Officer | S SaleOE | — | $30.20 | $1.2M | filing |
| May 27, 2026 | Kooij Louise Frederika | Chief Accounting Officer | S SaleOE | — | $35.69 | $2.3M | filing |