Douglass Brian Robb Insider Trading -- Recent SEC Form 4 Transactions

Douglass Brian Robb (CIK 2104618) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-08). Recent activity: Sell RGEN (334 shares), Sell RGEN (221 shares), Buy RGEN (2,288 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-05-08REPLIGEN CORP (RGEN)CHIEF PRODUCT OFFICERSell334$42,228
2026-03-03REPLIGEN CORP (RGEN)CHIEF PRODUCT OFFICERSell221$27,618
2026-01-12REPLIGEN CORP (RGEN)CHIEF PRODUCT OFFICERBuy2,288$0

Source: SEC Form 4 filings · as of 2026-05-08