InsiderTrades

Form 4 for NAMS NewAmsterdam Pharma Co N.V.

Accepted 2026-01-07 00:00:00 ET · period of report 2026-01-05 · accession 0001193125-26-006658 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-01-07 2026-01-07 NAMS Somaiya Mayur Ian CFO A - Grant — +25.5K 58.4K +78% —
DT 2026-01-07 2026-01-05 NAMS Somaiya Mayur Ian CFO S - Sale $33.25 -5,118 32.9K -13% -$170.2K
DT 2026-01-07 2026-01-07 NAMS Somaiya Mayur Ian CFO A - Grant $0.00 +115.0K 115.0K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-01-07 A A 25,500 — 58,382 D — — (F3) Represents RSUs, each representing a contingent right to receive one ordinary share. 1/3 of the RSUs will vest on each of the first, second and third anniversaries of the vesting start date, subject to the Reporting Person's continued service through each such date. (F4) Each RSU was granted on January 7, 2026 for no consideration.
2 Common Ordinary Shares 2026-01-05 S D 5,118 $33.25 32,882 D — — (F2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $32.77 to $33.58 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each transaction.
3 Derivative Option (right to buy) 2026-01-07 A A 115,000 $0.00 115,000 D $35.45 · — to 2036-01-07 115,000 Ordinary Shares (F5) 25% of the shares underlying the option will vest on Janaury 2, 2027, the one-year anniversary of the vesting start date, with the remaining shares vesting in equal monthly installments thereafter for three years, subject to the Reporting Person's continued service through each such date.