NewAmsterdam Pharma Company NV Insider Trades

NAMS

Track insider trading activity from NewAmsterdam Pharma Company NV executives and directors. See which insiders are buying and selling NAMS stock.

Trades Last 12 Months

NAMS Price

All Insider Trades for NewAmsterdam Pharma Company NV

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Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Lange Louis G Director
Holding Value $347k 10,806 shares
Last Trade
Mar 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.34M 44,173 shares
$30.41
$32.11
Kastelein Johannes Jacob Pieter Chief Scientific Officer
Holding Value $2.23M 69,302 shares
Last Trade
Mar 09, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.07M 101,409 shares
$30.29
$32.11
Davidson Michael H. Chief Executive Officer
Holding Value $5.59M 174,144 shares
Last Trade
Mar 02, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$14.8M 443,707 shares
$33.25
$32.11
Kooij Louise Frederika Chief Accounting Officer
Holding Value $2.35M 73,134 shares
Last Trade
Jan 28, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.06M 32,612 shares
$32.56
$32.11
Somaiya Mayur Ian Chief Financial Officer
Holding Value $21.3M 662,814 shares
Last Trade
Jan 21, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.35M 39,784 shares
$33.94
$32.11
Holding Value $491k 15,300 shares
Last Trade
Jan 07, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$542k 15,300 shares
$35.45
$32.11
Gulfo Adele M. Director
Holding Value $491k 15,300 shares
Last Trade
Jan 07, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$663k 18,700 shares
$35.45
$32.11
Lewis William Director
Holding Value $491k 15,300 shares
Last Trade
Jan 07, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$663k 18,700 shares
$35.45
$32.11
Mc Kenna Mark C. Director
Holding Value $333k 10,360 shares
Last Trade
Jan 07, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$121k 3,400 shares
$35.45
$32.11
Smither John W Director
Holding Value $491k 15,300 shares
Last Trade
Jan 07, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$663k 18,700 shares
$35.45
$32.11
Topper James N Director
Holding Value $97.2M 3,028,524 shares
Last Trade
Sep 15, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$15.6k 660 shares
$23.70
$32.11
Kling Douglas F Chief Operating Officer
Holding Value $1.41M 44,000 shares
Last Trade
Jul 16, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.08M 51,043 shares
$21.10
$32.11
Marino Michael F Iii See Remarks
Holding Value $10.1M 315,000 shares
Last Trade
Jun 01, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$5.7M 315,000 shares
$18.11
$32.11
Holding Value $963k 30,000 shares
Last Trade
May 01, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$601k 30,000 shares
$20.03
$32.11
Jones William A Jr Chief Commercial Officer
Holding Value $1.38M 43,000 shares
Last Trade
Jan 07, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.12M 43,000 shares
$26.04
$32.11
Mckenna Mark C. Director
Holding Value $223k 6,960 shares
Last Trade
Jan 07, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$181k 6,960 shares
$26.04
$32.11
Forgrowth Nap B.V. 10% owner
Holding Value $342M 10,656,172 shares
Last Trade
Dec 30, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$762k 29,846 shares
$25.54
$32.11
Holding Value $52.4M 1,632,653 shares
Last Trade
Dec 13, 2024 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$40.3M 1,632,653 shares
$24.69
$32.11

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