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$NAMS All transactions

NewAmsterdam Pharma Co N.V.

▼ SELL

$ Value

$1.3M

Shares

44,173

Price

$30

Filed

Mar 12

Insider

Name

LANGE LOUIS G

Title

CIK

0001238401

Roles

Director

Transaction Details

Transaction Date

2026-03-11

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

10,806

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.11 per share to $31.08 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each transaction. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.13 per share to $31.31 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each transaction.

Filing Info

Accession No.

0001193125-26-104239

Form Type

4

Issuer CIK

0001936258

LANGE LOUIS G's History

Date Ticker Type Value
2026-03-11 NAMS $1.3M
2026-03-11 NAMS $14K
2026-03-09 NAMS X $513K
2026-03-09 NAMS X $0
2026-03-06 NAMS $829K
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

Other Insiders at NAMS (90d)

Insider Bought Sold Last
LANGE LOUIS G $843K 2026-03-11
Davidson Michael H.
Chief Executive Officer
$25.3M 2026-03-02
Kastelein Johannes Jacob Pieter
Chief Scientific Officer
$10.7M 2026-03-09
Kooij Louise Frederika
Chief Accounting Officer
$4.8M 2026-01-28