UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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): March 25, 2022

Huntsman Corporation

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code:

(281) 719-6000

Not applicable

(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 obligations of the registrant under any of the following provisions (see General Instruction A.2. below):

Securities Registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company 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.  ¨

Item 5.07 Submission of Matters to a Vote of Security Holders

(a) Huntsman Corporation’s (the “Company”) 2022 Annual Meeting of Stockholders was held on March 25, 2022 (the “Annual Meeting”).

(b) The Company’s stockholders voted on the following four proposals (each described in detail in the Company’s definitive proxy statement filed with the Securities and Exchange Commission on February 17, 2022) at the Annual Meeting.

(c) First Coast Results, Inc., the independent inspector of the elections (the “Inspector of Election”) for the Annual Meeting, delivered its final vote tabulation on March 30, 2022 that certified the final voting results for each of the matters that were submitted to a vote at the Annual Meeting. Set forth below are the final voting results as provided by the Inspector of Election.

(d) Each stockholder of record is entitled to one vote per share of common stock on each proposal. On February 1, 2022, the record date for the Annual Meeting (the “Record Date”), there were 214,526,168 shares of common stock outstanding. Present at the Annual Meeting in person or by proxy were holders of shares of common stock representing an aggregate of 192,485,625 votes, or 89.7% of the voting power entitled to vote at the Annual Meeting as of the Record Date, constituting a quorum.

The stockholders voted to re-elect each of the Company’s director nominees to serve until the Company’s 2023 Annual Meeting of Stockholders or her/his earlier resignation, removal or death.

The stockholders voted to approve, on an advisory basis, the compensation of the Company’s named executive officers.

The stockholders voted to ratify the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the Company’s fiscal year ending December 31, 2022.

The stockholders did not approve the stockholder proposal to lower the ownership threshold required to call a special meeting of stockholders to 10%.

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.

Dated: March 31, 2022