Informed-money record

NAMS · NewAmsterdam Pharma Company N.A.

Disclosed informed-money activity on this name over the last 12 months — corporate insiders, institutions, and members of Congress, from public-domain SEC and congressional filings. A dated factual record with receipts; interpretation is yours.

Bullish filings

5

Bearish filings

74

Named actors

22

Disclosed $ (bull / bear)

$58K / $343.2M

Recent disclosures

25 of 79 in the window · linked to source
DateWhoWhatDisclosed $Receipt
2026-05-26Officer (via J.P. Morgan Securities LLC) Louise Kooijfiled notice to sell$7.4MSEC ↗
2026-03-31Chief Scientific Officer John Kasteleinadopted a selling planSEC ↗
2026-03-27Mr. Somaiyaadopted a selling planSEC ↗
2026-03-11Director LANGE LOUIS Gsold$14KSEC ↗
2026-03-11Director LANGE LOUIS Gsold$1.3MSEC ↗
2026-03-11Affiliate (via J.P. Morgan Securities LLC) Louis G. Langefiled notice to sell$1.4MSEC ↗
2026-03-09Chief Scientific Officer Kastelein Johannes Jacob Pietersold$3.1MSEC ↗
2026-03-06Chief Scientific Officer Kastelein Johannes Jacob Pietersold$2.9MSEC ↗
2026-03-06Director LANGE LOUIS Gsold$829KSEC ↗
2026-03-06Affiliate (via J.P. Morgan Securities LLC) Louis G. Langefiled notice to sell$879KSEC ↗
2026-03-05Chief Scientific Officer Kastelein Johannes Jacob Pietersold$3.2MSEC ↗
2026-03-05Affiliate (via J.P. Morgan Securities LLC) Kastelein Johannes Jacob Pieterfiled notice to sell$9.4MSEC ↗
2026-03-02Chief Executive Officer Davidson Michael H.sold$14.8MSEC ↗
2026-03-02Affiliate (via J.P. Morgan Securities LLC) Michael H. Davidsonfiled notice to sell$15.7MSEC ↗
2026-02-27Chief Executive Officer Michael Davidsonterminated a selling planSEC ↗
2026-02-26Chief Executive Officer Davidson Michael H.sold$5.6MSEC ↗
2026-02-26Chief Executive Officer Davidson Michael H.sold$617KSEC ↗
2026-02-25Chief Executive Officer Davidson Michael H.sold$48KSEC ↗
2026-02-25Chief Executive Officer Davidson Michael H.sold$1.6MSEC ↗
2026-02-25Chief Executive Officer Davidson Michael H.sold$375KSEC ↗
2026-02-24Chief Executive Officer Davidson Michael H.sold$2.2MSEC ↗
2026-02-24Chief Executive Officer Davidson Michael H.sold$115KSEC ↗
2026-02-24Affiliate (via J.P. Morgan Securities LLC) Michael H. Davidsonfiled notice to sell$27.1MSEC ↗
2026-02-23Chief Accounting Officer Louise Kooijadopted a selling planSEC ↗
2026-02-20Chief Scientific Officer Kastelein Johannes Jacob Pietersold$1.1MSEC ↗

54 more disclosures in the window — the full record, scoring, and validation are for members.

Want the read, not just the record?

Members see how notable each move is, whether the actor's track record validates, cross-source convergence, and alerts on this name.

Create a free account →
Dispute or correct this record

This page is a dated factual record built from public filings, each row linked to its source. If a row is wrong — a misattributed filing, a wrong name, a record that should not merge — tell us what and why.

Reviewed by a human; the page never changes automatically.

Events dated by when the activity occurred (a trade's transaction date; a notice, stake, or announcement at its filing date); the linked filing is the authoritative record. Directional public-domain disclosures only. Descriptive, not investment advice. Methodology · Today's notable signals