CIK 0001936258 · Large accelerated filer
NewAmsterdam Pharma Co N.V.
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- NAMS
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- Netherlands
- Entity type
- operating
- Phone
- 35 206 2971
- Business address
- GOOIMEER 2-35, NARRDEN, Netherlands, 1411 DC
- Former names
- NewAmsterdam Pharma Co B.V.
Securities
- NAMS Ordinary Shares Nasdaq
- NAMSW Warrant Nasdaq
- Open-market buys, last 90 days
- $226,500
- in 1 filing
- Open-market sales, last 90 days
- $4,661,919
- in 3 filings, $4.6M under 10b5-1 plans
Net −$4,435,419. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-01-28 | Kooij Louise Frederika Chief Accounting Officer | Option exercise 10b5-1 | +32,612 | $10.90 | $355K | 56,965 |
| 2026-01-28 | Kooij Louise Frederika Chief Accounting Officer | Sale 10b5-1 | −32,612 | $31.80 | $1.0M | 24,353 |
| 2026-01-28 | Kooij Louise Frederika Chief Accounting Officer | Option exercise · Option (right to buy) 10b5-1 | −32,612 | 73,134 | ||
| 2026-01-27 | Kooij Louise Frederika Chief Accounting Officer | Option exercise 10b5-1 | +39,816 | $10.90 | $434K | 64,169 |
| 2026-01-27 | Kooij Louise Frederika Chief Accounting Officer | Sale 10b5-1 | −39,816 | $32.62 | $1.3M | 24,353 |
| 2026-01-27 | Kooij Louise Frederika Chief Accounting Officer | Option exercise · Option (right to buy) 10b5-1 | −39,816 | 105,746 | ||
| 2026-01-26 | Kooij Louise Frederika Chief Accounting Officer | Option exercise 10b5-1 | +34,400 | $10.90 | $375K | 58,753 |
| 2026-01-26 | Kooij Louise Frederika Chief Accounting Officer | Sale 10b5-1 | −34,091 | $32.77 | $1.1M | 24,662 |
| 2026-01-26 | Kooij Louise Frederika Chief Accounting Officer | Sale 10b5-1 | −309 | $33.45 | $10K | 24,353 |
| 2026-01-26 | Kooij Louise Frederika Chief Accounting Officer | Option exercise · Option (right to buy) 10b5-1 | −34,400 | 145,562 | ||
| 2026-01-23 | Kooij Louise Frederika Chief Accounting Officer | Option exercise 10b5-1 | +38,172 | $10.90 | $416K | 62,525 |
| 2026-01-23 | Kooij Louise Frederika Chief Accounting Officer | Sale 10b5-1 | −25,405 | $33.44 | $850K | 37,120 |
| 2026-01-23 | Kooij Louise Frederika Chief Accounting Officer | Sale 10b5-1 | −12,767 | $34.37 | $439K | 24,353 |
| 2026-01-23 | Kooij Louise Frederika Chief Accounting Officer | Option exercise · Option (right to buy) 10b5-1 | −38,172 | 179,962 | ||
| 2026-01-21 | Somaiya Mayur Ian Chief Financial Officer | Option exercise 10b5-1 | +39,784 | $9.26 | $368K | 98,166 |
| 2026-01-21 | Somaiya Mayur Ian Chief Financial Officer | Sale 10b5-1 | −15,422 | $33.25 | $513K | 82,744 |
| 2026-01-21 | Somaiya Mayur Ian Chief Financial Officer | Sale 10b5-1 | −24,362 | $33.80 | $823K | 58,382 |
| 2026-01-21 | Somaiya Mayur Ian Chief Financial Officer | Option exercise · Option (Right to Buy) 10b5-1 | −39,784 | 662,814 | ||
| 2026-01-20 | Somaiya Mayur Ian Chief Financial Officer | Option exercise 10b5-1 | +60,216 | $9.26 | $558K | 118,598 |
| 2026-01-20 | Somaiya Mayur Ian Chief Financial Officer | Sale 10b5-1 | −900 | $30.64 | $28K | 117,698 |
Page 4 of 15 · 300 trades