Repligen Corporation

RGEN·NASDAQ·$115.19Share Price as of 11/2·$6BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/30/26 10-QQ2 ended 06/30/2607/29/26 10-QQ1 ended 03/31/2605/06/26 10-KFY 202502/26/26 10-QQ3 ended 09/30/2511/04/25

Disclosures

8-KCurrent report10/30/26 8-KCurrent report10/27/26 8-KCurrent report10/06/26 8-KCurrent report09/15/26 8-KCurrent report09/08/26

Prospectuses and Registrations

424B3Prospectus09/04/26 S-4/ARegistration (business combination, amended)09/04/26 S-4Registration (business combination)08/25/26 424B7Prospectus11/05/21 424B5Prospectus supplement12/08/20

Proxies

DEFA14AAdditional proxy materials04/27/26 DEF 14ADefinitive proxy04/02/26 DEFA14AAdditional proxy materials04/02/26 DEF 14ADefinitive proxy04/04/25 DEFA14AAdditional proxy materials04/04/25

Ownership

Form 4Insider transaction10/08/26 SC 13G/ABeneficial ownership (amended)10/07/26 Form 4Insider transaction10/06/26 144Proposed sale of securities10/05/26 144Proposed sale of securities10/05/26

Other

42542509/30/26 42542509/08/26 EFFECTRequest for effectiveness09/04/26 42542507/22/26 42542507/22/26