Regeneron Pharmaceuticals, Inc.

REGN·NASDAQ·$634.62Share Price as of 11/2·$65BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/30/26 10-QQ2 ended 06/30/2607/30/26 10-QQ1 ended 03/31/2604/29/26 10-KFY 202502/04/26 10-QQ3 ended 09/30/2510/28/25

Disclosures

8-KCurrent report10/30/26 8-KCurrent report10/06/26 8-KCurrent report09/30/26 8-KCurrent report07/30/26 8-KCurrent report07/06/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration10/31/24 S-3ASRAutomatic shelf registration11/04/21 424B5Prospectus supplement08/11/20 424B3Prospectus08/07/20 FWPFree writing prospectus08/07/20

Proxies

DEF 14ADefinitive proxy04/24/26 DEFA14AAdditional proxy materials04/24/26 DEF 14ADefinitive proxy04/29/25 DEFA14AAdditional proxy materials04/29/25 PRE 14APreliminary proxy04/07/25

Ownership

144Proposed sale of securities10/30/26 144Proposed sale of securities10/30/26 144Proposed sale of securities10/30/26 Form 4Insider transaction10/15/26 144Proposed sale of securities10/14/26

Other

N-PXAnnual report of proxy voting record08/20/26 ARSAnnual report to shareholders04/24/26 ARSAnnual report to shareholders04/29/25 UPLOADLetter from the SEC04/17/25 CORRESPCorrespondence with the SEC04/03/25