8-K current report · filed Sep 8, 2026

Spyre Therapeutics, Inc. (SYRE) 8-K Current Report: September 8, 2026

Item 7.01Item 8.01SYRE overview

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Spyre Therapeutics, Inc. (SYRE) filed an 8-K current report with the SEC on September 8, 2026 reporting Item 7.01 (Regulation FD Disclosure), Item 8.01 (Other Events). Positive 12-week induction topline data from Phase 2 SKYLINE Part A for SPY003 in moderately-to-severely active ulcerative colitis.

Spyre Therapeutics, Inc. 8-K event analysis

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Item 7.01 · Regulation FD Disclosure

  • Positive 12-week induction topline data from Phase 2 SKYLINE Part A for SPY003 in moderately-to-severely active ulcerative colitis
  • SPY003 is an anti-IL-23 therapy, positioning Spyre in the competitive UC biologics market
  • Results announced September 8, 2026; detailed efficacy and safety data available in Exhibit 99.1

Item 8.01 · Other Events

  • SPY003 achieved Phase 2 UC proof-of-concept, reducing RHI 10.0 points at Week 12 versus baseline, p<0.0001
  • Clinical remission reached 20%, endoscopic improvement 30%, and modified Mayo Score improved 3.5 points
  • Safety profile supports combination development: 43% reported AEs, 7% SAEs, no drug-related SAEs, discontinuations, or deaths
  • Part B is enrolling across monotherapy and combination arms SPY120, SPY130, and SPY230, with topline data expected in 2027
  • Upcoming catalysts include SKYWAY results in 4Q 2026 and SKYLIGHT results in late 2027 or early 2028

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