Summit Therapeutics Inc.

SMMT·NASDAQ·$17.00Share Price as of 11/2·$13BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2607/23/26 10-QQ1 ended 03/31/2604/30/26 10-KFY 202502/23/26 10-QQ3 ended 09/30/2510/20/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report09/29/26 8-KCurrent report09/15/26 8-KCurrent report09/14/26 8-KCurrent report09/03/26 8-KCurrent report08/26/26

Prospectuses and Registrations

424B5Prospectus supplement07/23/26 424B5Prospectus supplement06/10/26 S-3ASRAutomatic shelf registration06/09/26 S-8Registration of securities for employees02/23/26 S-3ASRAutomatic shelf registration10/29/25

Proxies

DEF 14ADefinitive proxy10/19/26 PRE 14APreliminary proxy10/06/26 DEF 14ADefinitive proxy04/17/26 DEFA14AAdditional proxy materials04/17/26 PRE 14APreliminary proxy04/06/26

Ownership

Form 4Insider transaction10/14/26 Form 4Insider transaction06/12/26 Form 4Insider transaction06/12/26 Form 4Insider transaction06/04/26 Form 4Insider transaction06/04/26

Other

UPLOADLetter from the SEC04/27/26 ARSAnnual report to shareholders04/17/26 CORRESPCorrespondence with the SEC04/16/26 UPLOADLetter from the SEC04/02/26 ARSAnnual report to shareholders04/29/25