Stocks · Health care · Pharmaceutical Preparations

NewAmsterdam Pharma Co N.V.

NAMS Clue Score25

Netherlands Fiscal year ends December CIK 0001936258 Results filed 5 Aug 2026

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What the insiders did Net selling

Individual transactions

Insider

Date

Role

Action

Price

Amount

John W Smither

4 Sep 2026

Director

Sell

1,600

$25.32

$40.51K

Louis G Lange

11 Mar 2026

Director

Sell

446

$31.23

$13.93K

Louis G Lange

11 Mar 2026

Director

Sell

44,173

$30.41

$1.34M

Louis G Lange

6 Mar 2026

Director

Sell indirect

28,186

$29.41

$828.95K

Johannes Jacob Pieter Kastelein

20 Feb 2026

Chief Scientific Officer

Sell

30,789

$35.46

$1.09M

Johannes Jacob Pieter Kastelein

20 Feb 2026

Chief Scientific Officer

Sell

14,692

$35.00

$514.22K

Show all 45 transactions →

What was left out

Form 4 filings counted 28

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 4

Sales straight out of an exercise 33

Sales at will 6

Transactions with no price 1

Shares from compensation/vesting 2,037,465

History held since 3 Jan 2024