TIGO ENERGY, INC.

of this Annual Report on Form 10-K. Recent Developments Direct Offering . On February 24, 2026, we entered into a Purchase Agreement with certain Investors, pursuant to which we issued and sold, in a registered direct offering (the Offering ), an aggregate of 5,000,000 shares of common stock, for gross proceeds of $15.0 million, before deducting placement agent fees and offering expenses. The closing of the Offering occurred on February 26, 2026. The Shares were offered by us pursuant to our effective shelf registration statement on Form S-3 (File No. 333-282013) that was filed with the SEC on September 9, 2024, and declared effective on September 17, 2024. A prospectus supplement and accompanying base prospectus describing the terms of the Offering has been filed with the SEC. Convertible Promissory Notes Extinguishment . On December 17, 2025, we extinguished our Convertible Promissory Notes. As a result, we recorded a loss on extinguishment on Convertible Promissory Notes of $1.1 million, which is included in other (income) expense, net in the in the consolidated statements of operations and comprehensive loss. The loss primarily reflects the difference between the cash paid to extinguish the note and the note’s net carrying amount at the extinguishment date, including the write-off of unamortized debt issuance costs. See Note 7, Debt, of the notes to consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K for additional information.