Gevo, Inc. Files 8-K: Director Changes, Officer Appointments, and More

Ticker: GEVO · Form: 8-K · Filed: Dec 15, 2025 · CIK: 1392380

Sentiment: neutral

Topics: corporate-governance, officer-appointment, director-election, filing-update

TL;DR

Gevo's 8-K drops: new directors, officer changes, and amended bylaws. Big shakeup!

AI Summary

Gevo, Inc. filed an 8-K on December 15, 2025, reporting events as of December 9, 2025. The filing covers the departure of directors, election of new directors, appointment of officers, and compensatory arrangements. It also includes amendments to articles of incorporation or bylaws, changes in fiscal year, Regulation FD disclosures, and financial statements/exhibits.

Why It Matters

This 8-K filing indicates significant corporate governance and operational updates for Gevo, Inc., which could impact its strategic direction and investor relations.

Risk Assessment

Risk Level: medium — Changes in directors and officers, along with amendments to corporate documents, can signal shifts in strategy or internal dynamics that may carry inherent risks.

Key Numbers

Key Players & Entities

FAQ

Who departed from Gevo's board or officer positions?

The filing indicates the departure of directors or certain officers, but specific names are not detailed in this excerpt.

Were there any new directors or officers appointed?

Yes, the filing explicitly mentions the election of directors and the appointment of certain officers.

What specific amendments were made to Gevo's articles of incorporation or bylaws?

The filing notes amendments to articles of incorporation or bylaws, but the details of these amendments are not provided in this summary.

Does this filing include any financial statements?

Yes, the filing lists 'Financial Statements and Exhibits' as an item of information.

What is the primary business of Gevo, Inc. according to the SIC code?

Gevo, Inc. is classified under 'INDUSTRIAL ORGANIC CHEMICALS [2860]' according to its SIC code.

Filing Stats: 1,304 words · 5 min read · ~4 pages · Grade level 11.4 · Accepted 2025-12-15 09:05:36

Key Financial Figures

Filing Documents

03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year. On December 9, 2025, the Board approved and adopted the Third Amended and Restated Bylaws of the Company (as amended and restated, the "Bylaws"), effective immediately. The amendments to the Bylaws were the result of a comprehensive review of the Bylaws and include certain provisions to modernize the Bylaws consistent with applicable law, including to: (i) modify the provisions for determining the presence of a quorum at all meetings of stockholders, to provide that the holders of one-third of the stock issued and outstanding and entitled to vote at the meeting, present in person (including by any means of remote communication authorized by the Board) or represented by proxy, shall constitute a quorum for all purposes, unless or except to the extent that the presence of a larger number may be required by law, the certificate of incorporation of the Company or the Bylaws; (ii) amend the voting standard for the approval of all matters at a stockholder meeting (other than the election of directors) to a "majority of the votes cast" standard; (iii) clarify the provisions around the list of stockholders made available before stockholder meetings, consistent with updates to Delaware law; (iv) incorporate and implement changes with respect to the "universal proxy" rules adopted by the Securities and Exchange Commission pursuant to Rule 14a-19 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"); (v) implement certain changes to terms and requirements of the advance notice provisions for business to be considered at annual meetings of stockholders of the Company, including the removal of advance notice provisions with respect to the removal of directors; (vi) amend provisions with respect to maintenance of books and records of the Company; (vii) clarify certain provisions related to (1) virtual meetings of stockholders and the Board, and (2) the use of el

01 Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure. On December 15, 2025, the Company issued a press release announcing the retirement of Dr. Gruber and the promotion of Dr. Bloom. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information in this Item 7.01 and Exhibit 99.1 shall not be deemed "filed" for purposes of Section 18 of the Exchange Act, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Financial Statements and Exhibits

Financial Statements and Exhibits. (d) Exhibits . Exhibit No. Description 3.1 Third Amended and Restated Bylaws of Gevo, Inc. 99.1 Press Release of Gevo, Inc., dated December 15, 2025 104 Cover Page Interactive Data File (Formatted as Inline XBRL)

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. GEVO, INC. Dated: December 15, 2025 By: /s/ E. Cabell Massey E. Cabell Massey Vice President, Legal and Corporate Secretary

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