15. Subsequent Events

On May 11, 2026, pursuant to the Exchange Agreement, dated May 11, 2026, by and between the Company and Clarkston Companies, Inc., the Company issued 1,600 shares of the Company’s newly designated Series D Preferred Stock, no par value, to Clarkston Companies, Inc., an entity affiliated with Jeffrey Hakala, a member of the Board of Directors of the Company, in exchange for 1,600 shares of the Company’s Series C Preferred Stock. In connection with the exchange, on May 11, 2026 the Company filed a Certificate of Designation designating 1,600 shares of Series D Preferred Stock. The Series D Preferred Stock has the same terms as the Series C Preferred Stock but with a maturity date of April 2, 2028 instead of April 2, 2027. The exchange involved no cash consideration and was effected in reliance on Section 3(a)(9) of the Securities Act of 1933, as amended. Following the exchange, 1,600 shares of Series D Preferred Stock were outstanding and no shares of Series C Preferred Stock were outstanding.

The Company performed an evaluation of subsequent events through the date the financial statements were issued and determined there were no additional recognized or unrecognized subsequent events that would require an adjustment or additional disclosure in the condensed consolidated financial statements as of March 31, 2026.