Stonepine Capital Management, LLC Increases Stake in IN8BIO, Inc. to 9.9%

Stonepine Capital Management, LLC, along with Stonepine Capital, L.P. and Stonepine GP, LLC, has reported a significant increase in their beneficial ownership of IN8BIO, Inc. common stock, reaching a total of 1,007,990 shares, which constitutes 9.9% of the outstanding shares. This filing, designated as a Schedule 13G, indicates that the acquisition of these shares was not made with the purpose of influencing the control of the issuer. The reporting persons, including Jon M. Plexico as the control person, have entered into a joint filing agreement to collectively manage their reporting obligations. The increased ownership is based on the company's outstanding shares as of November 3, 2025, and shares issued in a private placement on December 19, 2025. Stonepine Capital, L.P. holds the common stock for the benefit of its investors, with the right to receive or power to direct dividends and sale proceeds.