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  • Going Concern (new) — Summit concluded there is substantial doubt about its ability to continue as a going concern because cash at March 31, 2026 is insufficient to fund operations for the next twelve months without additional capital.
NASDAQ: SMMT Summit Therapeutics Inc. 424B5

Summit Therapeutics prices $500M common stock offering at $14.11/share to fund ivonescimab trials

Filed June 10, 2026 · ~2 min read

Offering filing cluster

Same offering
  1. 424B5 Jun 10, 2026 This filing EDGAR →
  2. 8-K Jun 11, 2026 Summit Therapeutics withdraws public offering citing unfavorable market conditions EDGAR →

Key Changes

  • high

    Summit is offering $500.0 million of common stock at $14.11 per share (the June 8, 2026 market price), with a $75.0 million underwriter option that could bring the total to $575.0 million if exercised in full.

    The Offering verify on EDGAR →
  • high

    Net proceeds will fund ivonescimab development including NSCLC and solid tumor trials; the company may replicate Akeso's trials but has not yet determined which trials to undertake.

    Use of Proceeds verify on EDGAR →
  • high

    Summit has substantial doubt about its ability to continue as a going concern: cash and investments at March 31, 2026 are insufficient to fund operations for the next twelve months without this offering.

    Risk Factors verify on EDGAR →

3 more material changes behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.

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View original filing on SEC.gov

Source-verified from EDGAR · Narrative written by AI · Jul 7, 2026 · How we verify