Louise Frederika Kooij

Companies

• NewAmsterdam Pharma Co N.V.Chief Accounting Officer Dec 29, 2023 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• NPNewAmsterdam Pharma Co N.V. NAMS24,353 shares²$494.1K at $20.29Jul 20, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 20, 2026Sold 2,915 shares at $31.71 of NewAmsterdam Pharma Co N.V.²
• Jul 20, 2026Sold 31,885 shares at $31.05 of NewAmsterdam Pharma Co N.V.²
• Jul 20, 2026Sold 70,200 shares at $29.96 of NewAmsterdam Pharma Co N.V.²
• Jul 20, 2026Exercised options 80,000 shares at $11.17 of NewAmsterdam Pharma Co N.V.²
• Jul 20, 2026Exercised options 25,000 shares at $11.90 of NewAmsterdam Pharma Co N.V.²
• Jun 22, 2026Sold 300 shares at $30.73 of NewAmsterdam Pharma Co N.V.³
• Jun 22, 2026Sold 39,700 shares at $30.20 of NewAmsterdam Pharma Co N.V.³
• Jun 22, 2026Exercised options 15,000 shares at $11.90 of NewAmsterdam Pharma Co N.V.³
• Jun 22, 2026Exercised options 25,000 shares at $10.90 of NewAmsterdam Pharma Co N.V.³
• May 26, 2026Sold 65,000 shares at $35.69 of NewAmsterdam Pharma Co N.V.⁴
• May 26, 2026Exercised options 5,000 shares at $10.90 of NewAmsterdam Pharma Co N.V.⁴
• May 26, 2026Exercised options 60,000 shares at $10.00 of NewAmsterdam Pharma Co N.V.⁴
• Jan 28, 2026Sold 32,612 shares at $31.80 of NewAmsterdam Pharma Co N.V.⁵
• Jan 28, 2026Exercised options 32,612 shares at $10.90 of NewAmsterdam Pharma Co N.V.⁵
• Jan 27, 2026Sold 39,816 shares at $32.62 of NewAmsterdam Pharma Co N.V.⁵
• Jan 27, 2026Exercised options 39,816 shares at $10.90 of NewAmsterdam Pharma Co N.V.⁵
• Jan 26, 2026Sold 309 shares at $33.45 of NewAmsterdam Pharma Co N.V.⁶
• Jan 26, 2026Sold 34,091 shares at $32.77 of NewAmsterdam Pharma Co N.V.⁶
• Jan 26, 2026Exercised options 34,400 shares at $10.90 of NewAmsterdam Pharma Co N.V.⁶
• Jan 23, 2026Sold 12,767 shares at $34.37 of NewAmsterdam Pharma Co N.V.⁶
• Jan 23, 2026Sold 25,405 shares at $33.44 of NewAmsterdam Pharma Co N.V.⁶
• Jan 23, 2026Exercised options 38,172 shares at $10.90 of NewAmsterdam Pharma Co N.V.⁶
• Jan 7, 2026Granted 12,000 shares of NewAmsterdam Pharma Co N.V.⁷
• Jan 5, 2026Sold 2,647 shares at $33.25 of NewAmsterdam Pharma Co N.V.⁷
• Dec 26, 2025Sold 43,872 shares at $35.30 of NewAmsterdam Pharma Co N.V.⁸