NewAmsterdam Pharma Co Ownership & Insider Activity

NewAmsterdam Pharma Co (NAMS) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.0% of shares outstanding. Institutional investors hold 37.5%. Over the past 90 days, insiders made 1 purchase worth $227K and 1 sale worth $41K.

Shares Outstanding

119.537M

Shares Float

102.169M

Insider Shares Owned

1.154M

Insider % Owned

1.0%

Institutional Shares Held

44.833M

Institutional % Held

37.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$227K total

Sales (90d)

$41K total

Net Activity

Net Buying

Net Value (90d)

$186K

NewAmsterdam Pharma Co Insider Transactions (Last 6 Months)

모든 내부자 거래 내역 보기 →

Date	Insider	Title	Type	Shares	Price	Value
Sep 30, 2026	Johannes Jacob Pieter Kastelein	CHIEF SCIENTIFIC OFFICER	SELL-OPTIONS	—	$25.03	$1.3M
Sep 14, 2026	Michael H Davidson	CHIEF EXECUTIVE OFFICER	BUY	10.000K	$22.65	$227K
Sep 4, 2026	John W Smither	—	SELL	1.600K	$25.32	$41K
Aug 24, 2026	Johannes Jacob Pieter Kastelein	CHIEF SCIENTIFIC OFFICER	SELL-OPTIONS	—	$26.91	$3.4M
Jul 20, 2026	Louise Kooij	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	—	$20.84	$2.0M
Jun 22, 2026	Louise Kooij	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	—	$20.74	$757K
May 26, 2026	Louise Kooij	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	—	$22.88	$1.7M

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NewAmsterdam Pharma Co Ownership & Insider Activity

NewAmsterdam Pharma Co Insider Transactions (Last 6 Months)

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