Kastelein Johannes Jacob Pieter

Chief Scientific Officer

Kastelein Johannes Jacob Pieter has filed 1 SEC Form 4 filing (6 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Mar 9, 2026.

Companies traded

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$9.1M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
NAMSSale$3.2MMar 9SEC ↗
NAMSSale$2.9MMar 9SEC ↗
NAMSSale$3.1MMar 9SEC ↗