Entry into a Material Definitive Agreement. On August 5, 2026, Alto Ingredients, Inc. (the “Company”) entered into an At-The-Market Issuance Sales Agreement (the “Sales Agreement”) with Craig-Hallum Capital Group LLC (the “Designated Agent”), The Benchmark Company, LLC and H.C. Wainwright & Co., LLC (each, an “Agent,” and collectively, the “Agents”). In accordance with the terms of the Sales Agreement, from time-to-time the Company may offer and sell shares of its common stock, $0.001 par val…

Results of Operations and Financial Condition. On August 5, 2026, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and six months ended June 30, 2026. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Approval of a new compensatory equity plan by stockholders.

Results of Operations and Financial Condition. On May 6, 2026, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three months ended March 31, 2026. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Results of Operations and Financial Condition. On March 4, 2026, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and twelve months ended December 31, 2025. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Director — Jeremy T. Bezdek: Mr. Bezdek resigned from his position as a member of the Board of Directors and all committees without any disagreement.

Results of Operations and Financial Condition. On November 5, 2025, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and nine months ended September 30, 2025. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Results of Operations and Financial Condition. On August 6, 2025, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and six months ended June 30, 2025. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On May 19, 2025, Alto Ingredients, Inc. (the “Company”) received a letter from the listing qualifications staff of The Nasdaq Stock Market (“Nasdaq”) indicating that the bid price of the Company’s common stock for the last 30 consecutive business days had closed below the minimum $1.00 per share required for continued listing under Nasdaq Listing Rule 5550(a)(2). Under Nasdaq Listing Rule 5810…

Results of Operations and Financial Condition. On May 7, 2025, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three months ended March 31, 2025. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Entry Into a Material Definitive Agreement. On March 17, 2025, Alto Ingredients, Inc. (the “Company”) entered into a letter agreement (the “Letter Agreement”) with Bradley L. Radoff, and Michael Torok (collectively, the “Radoff/Torok Group”). Among other things, the Letter Agreement provides that: ● The Company’s board of directors (the “Board”) shall have received irrevocable notices from Douglas L. Kieta and Michael D. Kandris of their intent not to stand for re-election at the Company’s 20…

Chairman of the Board and Director — Douglas L. Kieta and Michael D. Kandris: Both the Chairman of the Board and a Director are not standing for re-election, indicating significant changes in board leadership.

Results of Operations and Financial Condition. On March 5, 2025, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and twelve months ended December 31, 2024. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Entry into a Material Definitive Agreement. On November 5, 2024, Alto Pekin, LLC (“Alto Pekin”), an indirect wholly-owned subsidiary of Alto Ingredients, Inc. (the “Company”), entered into a CO 2 Transportation and Sequestration Agreement, dated November 5, 2024 (the “CO 2 Agreement”), by and between Vault Dragon CCS Holdings LP (“Vault”) and Alto Pekin pursuant to which Alto Pekin will deliver a composite of carbon dioxide (“CO 2 ”) and other components through certain CO 2 transportation fa…

Results of Operations and Financial Condition. On November 6, 2024, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and nine months ended September 30, 2024. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Results of Operations and Financial Condition. On August 6, 2024, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and six months ended June 30, 2024. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Results of Operations and Financial Condition. On May 6, 2024, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three months ended March 31, 2024. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

The filing describes a new performance-based equity incentive compensation program for executive officers.

Interim Chief Operating Officer (Michael D. Kandris) and Chief Operating Officer (Todd E. Benton) — Michael D. Kandris and Todd E. Benton: Michael D. Kandris is retiring as Interim Chief Operating Officer, and Todd E. Benton has been appointed as the new Chief Operating Officer.

Results of Operations and Financial Condition. On March 11, 2024, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and twelve months ended December 31, 2023. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Results of Operations and Financial Condition. On November 6, 2023, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and nine months ended September 30, 2023. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

President and Chief Executive Officer — Bryon T. McGregor: Employment agreement was amended and restated, providing details on compensation and severance benefits.

President and Chief Executive Officer — Bryon T. McGregor: Bryon T. McGregor was promoted to President and Chief Executive Officer.

Results of Operations and Financial Condition. On August 7, 2023, Alto Ingredients, Inc. (the “Company”) issued a press release announcing certain results of operations for the three and six months ended June 30, 2023. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this

Results of Operations and Financial Condition. On May 8, 2023, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three months ended March 31, 2023. A copy of the press release is furnished (not filed) as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished in this