8-K current report · filed Jul 14, 2026

Syndax Pharmaceuticals Inc (SNDX) 8-K Current Report: July 14, 2026

Item 8.01Item EX-99.1SNDX overview

Short answer

Syndax Pharmaceuticals Inc (SNDX) filed an 8-K current report with the SEC on July 14, 2026 reporting Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.1). Boilerplate filing disclaimer; no substantive company event disclosed in the provided Item 8.01 text.

Syndax Pharmaceuticals Inc 8-K event analysis

AI summary of each reported item and its exhibits

Item 8.01 · Other Events

  • Boilerplate filing disclaimer; no substantive company event disclosed in the provided Item 8.01 text
  • No investor-actionable information on operations, financing, litigation, or strategic developments

Item EX-99.1 · Exhibit EX-99.1

  • New SNDX-4321 expands pipeline into EGFR-mutated NSCLC, targeting L858R, CNS metastases, atypical mutations, and acquired resistance
  • IND for SNDX-4321 expected by end-2026, with Phase 1 initiation planned for 2027
  • SNDX-62122 advances wholly owned next-generation menin inhibitor program into myelofibrosis, with IND and Phase 1 planned for 2027
  • Revumenib Phase 1/2 myelofibrosis proof-of-principle trial expected to begin 4Q26, with initial data targeted for 2H27
  • Axatilimab Phase 2 idiopathic pulmonary fibrosis topline data remain on track for 4Q26, providing a near-term pipeline catalyst

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