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Turnstone Biologics Corp.

turnstonebio.com

No Longer Reporting

The company has not filed an annual or quarterly report since its Q2 FY2025 10-Q, filed Aug 8, 2025. Its latest SEC filing is a SCHEDULE 13G/A from Nov 14, 2025.

The sections below describe the company as of the FY2024 annual report.

What Did They Do?

Developed experimental cell therapies that select and expand tumor-reactive immune cells to treat solid tumors.

How Were They Changing?

Since the FY2024 annual report
Latest quarter: Q2 FY2025, the three months to Jun 30, 2025
Net income
▼ −74% (Loss)
vs −$21.3M in Q2 FY2024
  • Aug 11, 2025 XOMA completed its acquisition of Turnstone Turnstone became XOMA’s wholly owned subsidiary; shareholders received cash plus a contingent value right for each share.

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