Official announcements (8-K)

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn November 4, 2026, Alto Ingredients, Inc. issued a press release announcing certain results of operations for the three and nine months ended September 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 Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. The information in this Item 2.02 of this Current Report on Form 8-K …

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.

In the company's wordsOn 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 value per share (the “Shares”), having an aggregate offering price of up to $50.0 million (the “Offering”), through the Designated Agent acting as designated sales agent and/or to any Agent selected by the Company, acting as …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn 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 Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. The information in this Item 2.02 of this Current Report on Form 8-K is not …

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's words(e) On June 23, 2026, at the 2026 Annual Meeting of Stockholders of Alto Ingredients, Inc. (the “Company”), the Company’s stockholders approved the Alto Ingredients, Inc. 2026 Omnibus Incentive Plan (the “2026 Plan”). The 2026 Plan was previously approved by the Company’s Board of Directors, subject to stockholder approval. The 2026 Plan provides for the grant of equity and equity-based awards, including stock options (which may be incentive stock options or nonqualified stock options), stock appreciation rights, restricted stock, restricted stock units, performance-based awards and other share-based and cash-based awards, to officers, non-employee directors, employees, …

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

In the company's wordsThe 2026 Annual Meeting of Stockholders of Alto Ingredients, Inc. (the “Annual Meeting”) was held on June 23, 2026. The following proposals were approved at the Annual Meeting by the votes indicated: Proposal One: To elect five directors to serve on the Company’s board of directors until the next annual meeting of stockholders and/or until their successors are duly elected and qualified. The nominees for election were Gilbert E. Nathan, Bryon T. McGregor, Dianne S. Nury, Maria G. Gray and Alan R. Tank. 1 The following nominees were elected by the votes indicated to serve as directors until the next annual meeting of stockholders and/or until their successors are duly …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn 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 Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. The information in this Item 2.02 of this Current Report on Form 8-K is not incorporated …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn 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 Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. The information in this Item 2.02 of this Current Report on Form 8-K is …

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsOn November 24, 2025, Jeremy T. Bezdek resigned from his position as a member of the Board of Directors of Alto Ingredients, Inc. (the “Company”) and from all of the committees on which he served, which resignation was effective on that date. Mr. Bezdek’s resignation was not the result of any disagreement between the Company and him on any matter relating to the Company’s operations, policies or practices.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn 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 Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. The information in this Item 2.02 of this Current Report on Form 8-K …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn 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 Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. The information in this Item 2.02 of this Current Report on Form 8-K is not …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn June 23, 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 10 consecutive business days had closed above the minimum $1.00 per share required to regain compliance for continued listing under Nasdaq Listing Rule 5550(a)(2). Nasdaq stated in its letter than the Company has regained compliance with Nasdaq Listing Rule 5550(a)(2) and that the matter is closed. 1

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

In the company's wordsof Matters to a Vote of Security Holders The 2025 Annual Meeting of Stockholders (“Annual Meeting”) of Alto Ingredients, Inc. (the “Company”) was held on June 25, 2025. The following proposals were approved at the Annual Meeting by the votes indicated: Proposal One: To elect six directors to serve on the Company’s board of directors until the next annual meeting of stockholders and/or until their successors are duly elected and qualified. The nominees for election were Bryon T. McGregor, Maria G. Gray, Gilbert E. Nathan, Dianne S. Nury, Jeremy T. Bezdek and Alan R. Tank. The following nominees were elected by the votes indicated to serve as directors until the next annual …

Received a notice about its stock exchange listing (Item 3.01)

Notices from the stock exchange can come before shares are removed from trading.

In the company's wordsOn 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(c)(3)(A), the Company has been provided an initial period of 180 calendar days, ending November 15, 2025, to regain compliance. The letter states that the Nasdaq staff will provide written notification that the Company has achieved compliance with Rule 5550(a)(2) if at any time …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.