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$NAMS All transactions

NewAmsterdam Pharma Co N.V.

M

$ Value

Shares

18,073

Price

Filed

Sep 4

Insider

Name

Kooij Louise Frederika

Title

Chief Accounting Officer

CIK

0002004379

Roles

Officer

Transaction Details

Transaction Date

2025-09-02

Code

M

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

33,073

Footnotes

The exercise price of the option is EUR 1.16392. | The option was granted on November 22, 2022 to replace an option originally granted on July 6, 2021 which was cancelled in connection with the consummation of NewAmsterdam Pharma Company N.V.'s business combination with Frazier Lifesciences Acquisition Corporation. 60,879 of the shares underlying the option immediately vested on the grant date. 25% of the remaining shares underlying the option vested on January 1, 2021, 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. | The securities were previously held indirectly by the Reporting Person through LouFre Management B.V. ("LouFre") for the benefit of the Reporting Person. The Reporting Person had the sole pecuniary interest in the securities.

Filing Info

Accession No.

0000950170-25-113088

Form Type

4

Issuer CIK

0001936258

Kooij Louise Frederika's History

Date Ticker Type Value
2026-01-28 NAMS M $355K
2026-01-28 NAMS $1.0M
2026-01-28 NAMS M $0
2026-01-27 NAMS M $434K
2026-01-27 NAMS $1.3M
2026-01-27 NAMS M $0
2026-01-26 NAMS M $375K
2026-01-26 NAMS $1.1M
2026-01-26 NAMS $10K
2026-01-26 NAMS M $0

Other Insiders at NAMS (90d)

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