0000778164 1 2026-06-22 2026-06-22 0000778164 2026-06-22 2026-06-22 iso4217:USD pure shares S-8 EX-FILING FEES 0000778164 false N/A S-8 Alto Ingredients, Inc. Equity Common Stock, par value $0.001 per share true 7000000 5.15 36050000.00 0.0001381 4978.51 36050000.00 4978.51 0.00 4978.51 The Amount Registered represents shares of Alto Ingredients, Inc. common stock, par value $0.001 per share (“Common Stock”) reserved for issuance under the Alto Ingredients, Inc. 2026 Omnibus Incentive Plan (the “Plan”). Pursuant to Rule 416(a) of the Securities Act of 1933, as amended (the “Securities Act”), this Registration Statement shall also cover any additional shares of Common Stock that become issuable under the Plan by reason of any stock dividend, stock split, recapitalization or any other similar transaction that results in an increase in the number of outstanding shares of Common Stock. The Proposed Maximum Aggregate Offering Price Per Unit is estimated pursuant to Rules 457(c) and 457(h) of the Securities Act solely for the purpose of calculating the registration fee, based upon the average of the high and low prices of shares of Common Stock quoted on The Nasdaq Capital Market on June 22, 2026.