Ideaya Biosciences, Inc.

IDYA·NASDAQ·$29.35Share Price as of 11/2·$3BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/04/26 10-QQ1 ended 03/31/2605/05/26 10-KFY 202502/17/26 10-QQ3 ended 09/30/2511/04/25 10-QQ2 ended 06/30/2508/05/25

Disclosures

8-KCurrent report08/04/26 8-KCurrent report06/23/26 8-KCurrent report06/10/26 8-KCurrent report06/03/26 8-KCurrent report06/01/26

Prospectuses and Registrations

424B5Prospectus supplement06/09/26 424B5Prospectus supplement06/08/26 424B5Prospectus supplement05/05/26 S-3ASRAutomatic shelf registration05/05/26 S-8Registration of securities for employees02/17/26

Proxies

DEFA14AAdditional proxy materials04/30/26 DEF 14ADefinitive proxy04/29/26 DEF 14ADefinitive proxy04/30/25 DEF 14ADefinitive proxy04/19/24 DEF 14ADefinitive proxy04/14/23

Ownership

Form 4Insider transaction10/08/26 144Proposed sale of securities10/06/26 SC 13GBeneficial ownership08/14/26 SC 13GBeneficial ownership07/31/26 Form 4Insider transaction07/09/26

Other

ARSAnnual report to shareholders04/29/26 ARSAnnual report to shareholders05/20/25 ARSAnnual report to shareholders04/24/24 ARSAnnual report to shareholders05/15/23 EFFECTRequest for effectiveness04/20/21