Mason Stephen M
CEO, GMPD Segment
Mason Stephen M has filed 1 SEC Form 4 filing (5 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Aug 19, 2025.
Companies traded
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$6.2M
reported sales (SEC code S)
Companies
1
in the rolling window