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$NAMS All transactions

NewAmsterdam Pharma Co N.V.

A

$ Value

$0

Shares

15,300

Price

$0

Filed

Jan 9

Insider

Name

Lewis William

Title

CIK

0001402051

Roles

Director

Transaction Details

Transaction Date

2026-01-07

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

15,300

Footnotes

Represents restricted stock units (RSUs), each representing a contingent right to receive one ordinary share. All of the RSUs will vest on the one-year anniversary of the vesting start date, subject to the Reporting Person's continued service through such date. | Each RSU was granted on January 7, 2026 for no consideration. | All of the ordinary shares underlying the option will vest on January 2, 2027, the one-year anniversary of the vesting start date, subject to the Reporting Person's continued service through such date.

Filing Info

Accession No.

0001193125-26-009271

Form Type

4

Issuer CIK

0001936258

Lewis William's History

Date Ticker Type Value
2026-04-16 INSM M $191K
2026-04-16 INSM M $76K
2026-04-16 INSM $321K
2026-04-16 INSM $773K
2026-04-16 INSM $326K
2026-04-16 INSM $120K
2026-04-16 INSM M $0
2026-04-16 INSM M $0
2026-04-06 INSM M $191K
2026-04-06 INSM M $76K

Other Insiders at NAMS (90d)

Insider Bought Sold Last
Kooij Louise Frederika
Chief Accounting Officer
$4.8M 2026-01-28