Johannes Jacob Pieter Kastelein

Insider Reports History

Entity
Individual
Location
C/O Newamsterdam Pharma Company N.V., Gooimeer 2 35, Naarden, Netherlands
Signature
/s/ Louise Kooij by Power of Attorney for Johannes Jacob Pieter Kastelein
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Johannes Jacob Pieter Kastelein:

Stock Role Class Num Shares Value Price $ Report Date Ownership
NewAmsterdam Pharma Co N.V. Chief Scientific Officer, Director Ordinary Shares 169K $3.81M $22.49 Mar 26, 2025 Indirect
NewAmsterdam Pharma Co N.V. Chief Scientific Officer, Director Ordinary Shares 79.5K $1.79M $22.49 Mar 26, 2025 Direct
NewAmsterdam Pharma Co N.V. Chief Scientific Officer, Director Option (right to buy) 820K Mar 24, 2025 Indirect
NewAmsterdam Pharma Co N.V. Chief Scientific Officer, Director Restricted Stock Unit 0 Mar 26, 2025 Direct

Insider Reports Filed by Johannes Jacob Pieter Kastelein

Symbol Company Period Transactions Value $ Form Type Date Filed Role
NAMS NewAmsterdam Pharma Co N.V. Mar 26, 2025 4 $0 4 Mar 28, 2025 Chief Scientific Officer, Director
NAMS NewAmsterdam Pharma Co N.V. Mar 24, 2025 2 $0 4 Mar 26, 2025 Chief Scientific Officer, Director
NAMS NewAmsterdam Pharma Co N.V. Jan 7, 2025 1 $0 4 Jan 7, 2025 Chief Scientific Officer, Director
NAMS NewAmsterdam Pharma Co N.V. Jan 2, 2025 1 $0 4 Jan 6, 2025 Chief Scientific Officer, Director
NAMS NewAmsterdam Pharma Co N.V. Mar 26, 2024 4 -$4.35M 4 Mar 27, 2024 Chief Scientific Officer, Director
NAMS NewAmsterdam Pharma Co N.V. Jan 1, 2024 1 $0 4 Jan 3, 2024 Chief Scientific Officer, Director
NAMS NewAmsterdam Pharma Co N.V. Dec 29, 2023 0 $0 3 Dec 29, 2023 Chief Scientific Officer, Director