Olivier Loeillot sold $504K of RGEN stock

Olivier Loeillot, Chief Executive Officer of Repligen Corp (RGEN), sold 3,035 shares of RGEN stock worth $504K, per an SEC Form 4 filed Sep 8, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Sep 3, 2026, 5 days before it was made public.

RGEN has moved -1.8% since the trade date, from $169.61 to $166.52 (Nov 12, 2026 close).