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NewAmsterdam Pharma Co N.V.

NAMSW
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001936258

In the last 90 days, NewAmsterdam Pharma Co N.V. insiders filed 1 open-market purchase and 3 sales; 9 institutions reported holding it in 13F filings for Q2 2026, worth $28.1M in total; no superinvestor holds it.

Other share classesNAMS

Holders of 5% or more of NAMSW

Holders whose latest Schedule 13D or 13G filing reports 5% or more of NewAmsterdam Pharma Co N.V., largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of NewAmsterdam Pharma Co N.V. on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

Schedule 13D and 13G filings on NewAmsterdam Pharma Co N.V., newest first.

No Schedule 13D or 13G filings on NewAmsterdam Pharma Co N.V. are on file.

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell NewAmsterdam Pharma Co N.V. shares.

No Form 144 notices for NewAmsterdam Pharma Co N.V. are on file.