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Red Flags Detected

  • Material Weaknesses (new) — The company disclosed material weaknesses in internal control over financial reporting for fiscal years 2024 and 2025, including ineffective controls around the financial statement close process and information system controls.
  • Thrombosis (new) — Serious adverse events of thrombosis, including a proximal deep vein thrombosis and a subsegmental pulmonary embolism, were identified in the development of sutacimig, the company's lead product candidate.
  • Dependence On Two Product Candidates (new) — The company is heavily dependent on the success of sutacimig and HMB-002, its only clinical-stage product candidates, and failure of either would materially harm the business.
  • License Agreements With Novo Nordisk and Genmab (new) — The company's lead product candidate sutacimig is dependent on licenses from Novo Nordisk and Genmab, and termination of either agreement could lead to loss of rights to develop and commercialize sutacimig.
NASDAQ: COAG Hemab Therapeutics Holdings, Inc. S-1/A

Hemab Therapeutics files for IPO, offering 15M shares at $17.00 each to raise $255M gross

Filed April 30, 2026 · ~2 min read

Key Changes

  • high

    Hemab is offering 15,000,000 shares at $17.00 per share, with a 30-day underwriter option for 2,250,000 more shares.

    The Offering verify on EDGAR →
  • high

    The company estimates net proceeds of $231.4 million from the primary offering, after underwriting discounts and expenses.

    Use of Proceeds verify on EDGAR →
  • high

    Proceeds will fund clinical development: $120-130M for sutacimig, $60-70M for HMB-002, $25-35M for other programs, and the remainder for working capital.

    Use of Proceeds verify on EDGAR →

4 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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Figures/quotes linked to EDGAR · Narrative written by AI · Aug 31, 2026 · How we verify