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$NAMS All transactions

NewAmsterdam Pharma Co N.V.

A

$ Value

Shares

3,400

Price

Filed

Jan 9

Insider

Name

LANGE LOUIS G

Title

CIK

0001238401

Roles

Director

Transaction Details

Transaction Date

2026-01-07

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

10,360

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. | The Reporting Person inadvertently reported the ownership of 3,102 ordinary shares issued upon vesting of RSUs on March 28, 2025 to his direct holdings. Such ordinary shares are held directly by LGLange III Trust DTD10 for the benefit of the Reporting Person. The Reporting Person subsequently corrected his indirect holdings on April 21, 2025, and the Reporting Person's indirect holdings reported on May 2, 2025 and June 3, 2025 are correct. This Form 4 reflects the Reporting Person's correct direct holdings. | 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.

0001193125-26-009268

Form Type

4

Issuer CIK

0001936258

LANGE LOUIS G's History

Date Ticker Type Value
2026-01-07 NAMS A
2026-01-07 NAMS A $0
2025-06-01 NAMS M $0
2025-06-01 NAMS M
2025-05-01 NAMS M $0
2025-05-01 NAMS M

Other Insiders at NAMS (90d)

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