NewAmsterdam Pharma Company N.V.

NAMS

$25.57

-1.08%

N/A-$0.28

Healthcare

Biotechnology

NASDAQ

Active Trading

NewAmsterdam Pharma Company N.V., a late-stage biopharmaceutical company, develops therapies to enhance patient care in populations with cardiometabolic disease. It is developing ...

Insider Transactions of NAMS

Acquisitions (A)

Since Jul 20, 2026

Disposals (D)

Since Jul 20, 2026

Monthly shares of acquisitions/disposals with close price trend (shared daily price source)

Insider Trading Snapshot

Date	Executive	Title	Security	Side	Shares	Price
Sep 1, 2026	Gunning Robert William	officer: Vice President, Controller	Option (right to buy)	A	14,000	$24.92
Sep 1, 2026	Gunning Robert William	officer: Vice President, Controller	Ordinary Shares	A	3,200	—
Aug 24, 2026	Kastelein Johannes Jacob Pieter	director, officer: Chief Scientific Officer	Option (right to buy)	D	125,000	—
Aug 24, 2026	Kastelein Johannes Jacob Pieter	director, officer: Chief Scientific Officer	Ordinary Shares	A	125,000	—
Aug 24, 2026	Kastelein Johannes Jacob Pieter	director, officer: Chief Scientific Officer	Ordinary Shares	D	125,000	$26.91

Insider Trading Snapshot

Acquisitions (A)

Disposals (D)

Total Shares Bought

247,200

Total Shares Sold

400,200

Monthly Insider Activity

Monthly shares of acquisitions/disposals with close price trend (shared daily price source)

Transactions by Title - Shares

X-axis: shares, sorted by total shares desc

Transactions by Title - Counts

X-axis: counts, sorted by A+D counts desc

Key People: Buy/Sell Activity and Price

Kooij Louise Frederika

officer: Chief Accounting Officer • 4 txns

Gunning Robert William

officer: Vice President, Controller • 3 txns

Kastelein Johannes Jacob Pieter

director, officer: Chief Scientific Officer • 3 txns

Transactions Table

Date	Executive	Title	Security	Side	Shares	Price	Value
Sep 1, 2026	Gunning Robert William	officer: Vice President, Controller	Option (right to buy)	A	14,000	$24.92	$348,880.00
Sep 1, 2026	Gunning Robert William	officer: Vice President, Controller	Ordinary Shares	A	3,200	—	—
Aug 24, 2026	Kastelein Johannes Jacob Pieter	director, officer: Chief Scientific Officer	Option (right to buy)	D	125,000	—	—
Aug 24, 2026	Kastelein Johannes Jacob Pieter	director, officer: Chief Scientific Officer	Ordinary Shares	A	125,000	—	—
Aug 24, 2026	Kastelein Johannes Jacob Pieter	director, officer: Chief Scientific Officer	Ordinary Shares	D	125,000	$26.91	$3,363,750.00
Aug 10, 2026	Gunning Robert William	—	—	—	0	—	—
Jul 20, 2026	Kooij Louise Frederika	officer: Chief Accounting Officer	Ordinary Shares	A	80,000	$11.17	$893,600.00
Jul 20, 2026	Kooij Louise Frederika	officer: Chief Accounting Officer	Option (right to buy)	D	80,000	$11.17	$893,600.00
Jul 20, 2026	Kooij Louise Frederika	officer: Chief Accounting Officer	Ordinary Shares	D	70,200	$29.96	$2,103,192.00
Jul 20, 2026	Kooij Louise Frederika	officer: Chief Accounting Officer	Ordinary Shares	A	25,000	$11.90	$297,500.00

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