8-K current report · filed May 4, 2026

GYRE THERAPEUTICS, INC. (GYRE) 8-K Current Report: May 4, 2026

Item 2.01Item 1.01Item 3.02Item 3.03Item 5.02Item 5.03Item 7.01Item EX-99.1GYRE overview

Short answer

GYRE THERAPEUTICS, INC. (GYRE) filed an 8-K current report with the SEC on May 4, 2026 reporting Item 2.01 (Completion of Acquisition or Disposition of Assets), Item 1.01 (Entry into a Material Definitive Agreement), Item 3.02 (Unregistered Sales of Equity Securities), Item 3.03 (Material Modification to Rights of Security Holders), Item 5.02 (Departure/Election of Directors or Officers), Item 5.03 (Amendments to Articles of Incorporation or Bylaws), Item 7.01 (Regulation FD Disclosure), Item EX-99.1 (Exhibit EX-99.1). Preferred stock receives dividends on an as-converted basis and one vote per share, subject to limitations.

GYRE THERAPEUTICS, INC. 8-K event analysis

AI summary of each reported item and its exhibits

Item 1.01 · Entry into a Material Definitive Agreement

  • Preferred stock receives dividends on an as-converted basis and one vote per share, subject to limitations
  • Conversion requires stockholder approval, with each preferred share convertible into five common shares
  • Holder conversion capped at beneficial ownership levels between 0% and 19.99%
  • Majority preferred-holder consent required for adverse amendments, additional preferred issuance, or qualifying mergers before approval
  • No liquidation preference, limiting downside protection relative to senior preferred securities

Item 2.01 · Completion of Acquisition or Disposition of Assets

  • Cullgen acquisition closed May 4, 2026 through merger, making Cullgen a wholly owned Gyre subsidiary
  • All-stock transaction valued Cullgen at approximately $300 million, avoiding disclosed cash funding requirements
  • Exchange ratio set at 0.4753, with consideration delivered through common stock or Series B preferred stock
  • Each preferred share converts into five common shares, subject to shareholder approval and a 19.99% issuance cap
  • In-the-money Cullgen options rolled into Gyre options; out-of-the-money options cancelled without consideration

Item 5.02 · Departure/Election of Directors or Officers

  • Thomas Eastling appointed CFO on May 4, 2026, succeeding Ruoyu Chen following her resignation
  • CFO transition creates near-term investor focus on financial reporting continuity and integration execution
  • Dr. Luo appointed Nominating and Corporate Governance Committee Chair following the Merger
  • Dan Weng and Gordon Carmichael joined the Nominating Committee effective at Merger closing
  • Cullgen stock plan and in-the-money options assumed and converted into Company Common Stock options, creating potential dilution exposure

Item 5.03 · Amendments to Articles of Incorporation or Bylaws

  • Certificate of Designation filed in Delaware for Company preferred stock
  • Amendment connected to the referenced merger
  • Preferred-stock terms may affect voting, conversion, dividend, liquidation, and merger rights

Item 7.01 · Regulation FD Disclosure

  • Forward-looking language centers on stockholder approval of the Conversion Proposal
  • Planned resale registration statement tied to the Registration Rights Agreement
  • Timing of approval and registration remains uncertain
  • Investors should monitor dilution and potential resale activity following conversion

Item EX-99.1 · Exhibit EX-99.1

  • Cullgen acquisition closed in an all-stock transaction valued at approximately $300 million
  • Cullgen became wholly owned subsidiary, expanding Gyre into U.S.-China integrated biopharmaceutical operations
  • Former Cullgen CEO Ying Luo became Gyre CEO, President and board member; Ping Zhang remains chairman
  • Combined company retains Nasdaq Capital Market listing under ticker GYRE
  • Asset base now combines China commercial revenue from ETUARY® with F351, fibrosis programs and Cullgen’s degrader pipeline

Other items in this filing:

  • Item 3.02: Unregistered Sales of Equity Securities
  • Item 3.03: Material Modification to Rights of Security Holders

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