Kastelein Johannes Jacob Pieter

Companies where Kastelein Johannes Jacob Pieter has traded

• NewAmsterdam Pharma Co N.V.33 tx · $19M · Oct 2, 2026

Track record of Kastelein Johannes Jacob Pieter

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Kastelein Johannes Jacob Pieter

Co-insiders of Kastelein Johannes Jacob Pieter

• Audet Juliette BerangereNewAmsterdam Pharma Co N.V.
• Bain Capital Life Sciences Fund III, L.P.NewAmsterdam Pharma Co N.V.
• Bain Capital Life Sciences Fund II, L.P.NewAmsterdam Pharma Co N.V.
• Bain Capital Life Sciences III General Partner, LLCNewAmsterdam Pharma Co N.V.
• Bain Capital Life Sciences Investors II, LLCNewAmsterdam Pharma Co N.V.
• Bain Capital Life Sciences Investors, LLCNewAmsterdam Pharma Co N.V.
• BCIP Life Sciences Associates, LPNewAmsterdam Pharma Co N.V.
• BCLS Fund III Investments GP, LLCNewAmsterdam Pharma Co N.V.
• BCLS Fund III Investments, LPNewAmsterdam Pharma Co N.V.
• BCLS II Investco, LPNewAmsterdam Pharma Co N.V.
• BCLS II Investo (GP), LLCNewAmsterdam Pharma Co N.V.
• Davidson Michael H.NewAmsterdam Pharma Co N.V.
• Downing NicholasNewAmsterdam Pharma Co N.V.
• Forbion Capital Fund IV Cooperatief U.A.NewAmsterdam Pharma Co N.V.
• Forbion Growth Management B.V.NewAmsterdam Pharma Co N.V.
• Forbion Growth Opportunities Fund I Cooperatief U.A.NewAmsterdam Pharma Co N.V.
• Forbion IV Management B.V.NewAmsterdam Pharma Co N.V.
• ForGrowth NAP B.V.NewAmsterdam Pharma Co N.V.
• Gulfo Adele M.NewAmsterdam Pharma Co N.V.
• Gunning Robert WilliamNewAmsterdam Pharma Co N.V.
• JONES WILLIAM A JRNewAmsterdam Pharma Co N.V.
• Joustra WouterNewAmsterdam Pharma Co N.V.
• Kling Douglas FNewAmsterdam Pharma Co N.V.
• Kooij Louise FrederikaNewAmsterdam Pharma Co N.V.
• LANGE LOUIS GNewAmsterdam Pharma Co N.V.
• Lewis WilliamNewAmsterdam Pharma Co N.V.
• Marino Michael F IIINewAmsterdam Pharma Co N.V.