Loeillot Olivier bought RGEN

September 24, 2026 · Form 4 insider transaction

Loeillot Olivier bought 4,542 shares of Repligen Corporation at $155.38 per share, a transaction worth $705.7K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
4,542
Price
$155.38
Total value
$705.7K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateSeptember 24, 2026
Filing dateSeptember 25, 2026
Shares owned after52,911
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 19, 2025.

View the original Form 4 on SEC EDGAR