

Submission based on results of APEX pivotal trial which demonstrated bezuclastinib objective response rate (CR+CRh+PR+CI) of 65% per mIWG criteria and 81% ORR per PPR criteria with a well-tolerated safety profile for AdvSM patients

Cogent Biosciences is positioned to build a niche KIT-mutant franchise, leveraging bezuclastinib across three pivotal indications with strong clinical data. COGT holds $866.4 million in cash, supporting operations through 2028 and enabling launches in systemic mastocytosis and GIST, mitigating near-term financing risk. Bezuclastinib has demonstrated robust efficacy in nonadvanced and advanced systemic mastocytosis and second-line GIST, with three regulatory filings and positive pivotal trial results.

- JAK2 V671F poster presentation showcases potential best-in-class properties, including improved selectivity compared with currently approved JAK inhibitors -

-- Bezuclastinib demonstrated rapid and deep clinical benefit in AdvSM patients resulting in an updated objective response rate (CR+CRh+PR+CI) of 65% per mIWG criteria and 81% ORR per PPR criteria –

Bezuclastinib combination is first treatment ever to demonstrate statistically significant advantage against active comparator in GIST patients; median PFS of 16. 5 months versus 9. 2 months (HR=0. 50, CI: 0. 39-0.

Bezuclastinib combination is first treatment ever to demonstrate statistically significant advantage against active comparator in GIST patients; median PFS of 16.5 months versus 9.2 months (HR=0.50, CI: 0.39-0.65, p

NDA acceptance with Priority Review builds upon previous assignment of Breakthrough Therapy Designation and Real-Time Oncology Review following Phase 3 PEAK results; PDUFA date set for November 30, 2026

WALTHAM, Mass. and BOULDER, Colo.
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