Douglas F. Kling

Companies

• NewAmsterdam Pharma Co N.V.Chief operating officer Dec 29, 2023 to now¹
• Matinas BioPharma Holdings, Inc.Officer Mar 1, 2017 to Mar 1, 2017²

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. NAMS44,000 shares³$892.8K at $20.29Jul 16, 2025

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

Recent filings

• Jul 16, 2025Sold 51,043 shares at $21.10 of NewAmsterdam Pharma Co N.V.³
• Jul 16, 2025Exercised options 51,043 shares at $10.90 of NewAmsterdam Pharma Co N.V.³
• Jul 15, 2025Sold 3,544 shares at $22.12 of NewAmsterdam Pharma Co N.V.³
• Jul 15, 2025Sold 44,025 shares at $21.38 of NewAmsterdam Pharma Co N.V.³
• Jul 15, 2025Exercised options 47,569 shares at $10.90 of NewAmsterdam Pharma Co N.V.³
• Jun 16, 2025Sold 18,109 shares at $19.75 of NewAmsterdam Pharma Co N.V.⁴
• Jun 16, 2025Sold 81,891 shares at $19.19 of NewAmsterdam Pharma Co N.V.⁴
• Jun 16, 2025Exercised options 21,899 shares at $10.90 of NewAmsterdam Pharma Co N.V.⁴
• Jun 16, 2025Exercised options 78,101 shares at $10.00 of NewAmsterdam Pharma Co N.V.⁴
• May 15, 2025Sold 100,000 shares of NewAmsterdam Pharma Co N.V.⁵
• May 15, 2025Exercised options 100,000 shares at $10.00 of NewAmsterdam Pharma Co N.V.⁵
• Apr 15, 2025Sold 910 shares of NewAmsterdam Pharma Co N.V.⁶
• Apr 15, 2025Sold 99,090 shares of NewAmsterdam Pharma Co N.V.⁶
• Apr 15, 2025Exercised options 100,000 shares at $10.00 of NewAmsterdam Pharma Co N.V.⁶
• Mar 26, 2025Sold 16,539 shares of NewAmsterdam Pharma Co N.V.⁷
• Mar 26, 2025Exercised options 16,539 shares of NewAmsterdam Pharma Co N.V.⁷
• Mar 17, 2025Sold 100,000 shares of NewAmsterdam Pharma Co N.V.⁸
• Mar 17, 2025Exercised options 11,888 shares at $10.00 of NewAmsterdam Pharma Co N.V.⁸
• Mar 17, 2025Exercised options 88,112 shares of NewAmsterdam Pharma Co N.V.⁸
• Feb 19, 2025Sold 9,218 shares of NewAmsterdam Pharma Co N.V.⁹
• Feb 19, 2025Exercised options 9,218 shares of NewAmsterdam Pharma Co N.V.⁹
• Feb 18, 2025Sold 90,782 shares of NewAmsterdam Pharma Co N.V.⁹
• Feb 18, 2025Exercised options 90,782 shares of NewAmsterdam Pharma Co N.V.⁹
• Jan 30, 2025Sold 8,914 shares of NewAmsterdam Pharma Co N.V.¹⁰
• Jan 30, 2025Sold 4,664 shares of NewAmsterdam Pharma Co N.V.¹⁰