UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant To Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 13, 2018

Gevo, Inc.

(Exact name of registrant as specified in its charter)

345 Inverness Drive South, Building C, Suite 301

Englewood, CO 80112

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (303) 858-8358

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

On February 13, 2018, Gevo, Inc. (the “Company”) entered into an At-The-Market Offering Agreement (the “Sales Agreement”) with H.C. Wainwright & Co., LLC (the “Agent”), which provides for the issuance and sale from time to time by the Company of up to $5,000,000 of shares of common stock, par value $0.01 per share, of the Company (the “Shares”). The Shares have been registered under the Securities Act of 1933, as amended (the “Securities Act”), pursuant to the Company’s Registration Statement on Form S-3 (File No. 333-211370), declared effective by the Securities and Exchange Commission (the “Commission”) on August 2, 2016 (the “Registration Statement”), and a prospectus, which consists of a base prospectus filed with the Registration Statement, and a prospectus supplement, dated February 13, 2018. Sales of the Shares, if any, may be made by any method permitted by law deemed to be an “at-the-market offering” as defined in Rule 415(a)(4) of the Securities Act, including sales made directly on or through the Nasdaq Capital Market or any other existing trading market for the Shares, in negotiated transactions at market prices prevailing at the time of sale or at prices related to such prevailing market prices and/or any other method permitted by law.

The Company intends to use the net proceeds from this offering to fund working capital and for other general corporate purposes, which may include the repayment of outstanding indebtedness..

The Sales Agreement contains customary representations, warranties and agreements by the Company, including obligations of the Company to indemnify the Agent for certain liabilities under the Securities Act. Under the terms of the Sales Agreement, the Company will pay the Agent a commission of 1.0% of the gross proceeds from sales of the Shares.

This Current Report on Form 8-K shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of the Company’s common stock in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

The foregoing description of the Sales Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Sales Agreement, a copy of which is filed herewith as Exhibit 1.1 and is incorporated herein by reference. A legal opinion relating to the Shares is filed herewith as Exhibit 5.1.

(d) Exhibits.

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.