InsiderFlow

NAMS

NewAmsterdam Pharma Company N.V.$19.85-0.24 (-1.20%)
Prev Close$20.06·MCap$2.30B·P/E—·Vol1.07M·Yield—
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Buys (12M)

0

$0.00

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Sells (12M)

3

$2.67M

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Net Activity

Net Seller

$2.67M

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Active Insiders

2

last 12 mo

Over the past 12 months, insider activity at NewAmsterdam Pharma Company N.V. (NAMS) has been exclusively selling, with 0 insider purchases totaling $0.00 and 3 insider sales totaling $2.67M. The most recent insider transaction was by Kooij Louise Frederika (Chief Accounting Officer), who sold $2.42M worth of shares on Jan 23, 2026. NewAmsterdam Pharma Company N.V. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $2.30B.

NAMS Insider Trading Activity

DateInsiderTypeValue
Jan 23, 2026 Kooij Louise FrederikaSell$2.42M
Jan 5, 2026 Kooij Louise FrederikaSell$88.0K
Jan 5, 2026 Somaiya Mayur IanSell$170.2K
Sep 15, 2025 Topper James NBuy$15.6K
Aug 11, 2025 Topper James NBuy$11.3K
Jun 24, 2025 Topper James NBuy$69.5K
Jun 16, 2025 Topper James NBuy$167.4K
Mar 26, 2025 Topper James NBuy$25.5K

NAMS Insider Buying Activity

The following table shows recent insider purchases of NewAmsterdam Pharma Company N.V. (NAMS) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Sep 15, 2025 Topper James NBuy$15.6K
Aug 11, 2025 Topper James NBuy$11.3K
Jun 24, 2025 Topper James NBuy$69.5K
Jun 16, 2025 Topper James NBuy$167.4K
Mar 26, 2025 Topper James NBuy$25.5K

NAMS Insider Selling Activity

The following table shows recent insider sales of NewAmsterdam Pharma Company N.V. (NAMS) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Jan 23, 2026 Kooij Louise FrederikaSell$2.42M
Jan 5, 2026 Kooij Louise FrederikaSell$88.0K
Jan 5, 2026 Somaiya Mayur IanSell$170.2K

NAMS Insiders

Kooij Louise Frederika

Chief Accounting Officer

Sold $2.50M
2 tradesLast: Jan 23, 2026
Somaiya Mayur Ian

Chief Financial Officer

Sold $170.2K
1 tradesLast: Jan 5, 2026
Topper James N

Director

Bought $289.3K
5 tradesLast: Sep 15, 2025