Form 4 Tracker
Olivier Loeillot

Chief Executive Officer; Director, Chief Executive Officer · 3 filings · Latest: Apr 21, 2026

REPLIGEN CORP
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
RGEN
Olivier LoeillotDirector, Chief Executive OfficerApr 21, 2026
Sale
$140.003,832$536.5K54,246
RGEN
Loeillot OlivierApr 21, 2026
Proposed Sale
$140.003,832$536.5K
RGEN
Loeillot OlivierNov 25, 2025
Proposed Sale
$170.007,041$1.2M