InsiderTrades

Form 4 for RGEN REPLIGEN CORP

Accepted 2026-05-08 14:48:02 ET · period of report 2026-05-07 · accession 0001193125-26-214293 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-08 14:48 2026-05-07 RGEN MUIR GLENN P Dir M - OptEx $38.76 +2,434 39.1K +7% +$94.3K
D 2026-05-08 14:48 2026-05-07 RGEN MUIR GLENN P Dir M - OptEx $0.00 +2,434 2,434 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-07 M A 2,434 $38.76 39,056 D — —
2 Derivative Stock Option (Right to Buy) 2026-05-07 M A 2,434 $0.00 2,434 D $38.76 · — to 2027-05-18 2,434 Common Stock (F1) This option is fully vested and exercisable.