8-K current report · filed Sep 29, 2026

Aldeyra Therapeutics, Inc. (ALDX) 8-K Current Report: September 29, 2026

Item 7.01Item EX-99.1ALDX overview

Short answer

Aldeyra Therapeutics, Inc. (ALDX) filed an 8-K current report with the SEC on September 29, 2026 reporting Item 7.01 (Regulation FD Disclosure), Item EX-99.1 (Exhibit EX-99.1). Forward-looking disclosure centers on FDA discussions and reproxalap regulatory pathway.

Aldeyra Therapeutics, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 7.01 · Regulation FD Disclosure

  • Forward-looking disclosure centers on FDA discussions and reproxalap regulatory pathway
  • Potential FDRR submission and NDA resubmission represent key approval catalysts
  • FDA acceptance or approval remains uncertain, creating material regulatory risk
  • Projected cash runway identified as a forward-looking financial concern

Item EX-99.1 · Exhibit EX-99.1

  • Aldeyra plans a Formal Dispute Resolution Request to FDA’s Office of New Drugs after three complete response letters for reproxalap
  • OND meeting expected in Q4 2026, but FDRR timing and outcome remain uncertain
  • Nine efficacy trials supported the NDA; five achieved all primary endpoints and 9 of 14 endpoints had P<0.05
  • FDA’s latest letter cited insufficient totality of evidence without requesting another clinical trial, preserving a potential regulatory path
  • $45.1M cash as of June 30, 2026, with company-estimated runway into 2029 supporting FDRR and ADX-2191 development

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