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): April 29, 2026

Huntsman Corporation

(Exact name of registrant as specified in its charter)

Delaware	001-32427	42-1648585
(State or other jurisdiction	(Commission	(IRS Employer
of incorporation)	File Number)	Identification No.)

10003 Woodloch Forest Drive
The Woodlands, Texas		77380
(Address of principal executive offices)		(Zip Code)

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):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Registrant		Title of each class		Trading Symbol		Name of each exchange on which registered
Huntsman Corporation		Common Stock, par value $0.01 per share		HUN		New York Stock Exchange

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) The 2026 Annual Meeting of Stockholders (the “Annual Meeting”) of Huntsman Corporation (the “Company”) was held on April 29, 2026.

(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 March 16, 2026) at the Annual Meeting.

(c) American Election Services, LLC, the independent inspector of the elections (the “Inspector of Election”) for the Annual Meeting, delivered its final vote tabulation on April 29, 2026 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 was entitled to one vote per share of common stock on each proposal. On March 6, 2026, the record date for the Annual Meeting (the “Record Date”), there were 173,976,139 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 152,280,391 votes, or 87.52% of the voting power entitled to vote at the Annual Meeting as of the Record Date, constituting a quorum.

Proposal 1

To elect as directors nine nominees to serve until the 2027 Annual Meeting of Stockholders or her/his earlier resignation, removal or death.

	For		Against		Abstain		BNV
Peter R. Huntsman		122,984,920		2,562,877		84,238		26,648,356
Sonia Dulá		122,434,938		3,073,129		123,968		26,648,356
Cynthia L. Egan		122,827,374		2,675,412		129,249		26,648,356
Curtis E. Espeland		123,928,654		1,577,617		125,764		26,648,356
Daniele Ferrari		123,810,273		1,699,501		122,261		26,648,356
José Muñoz		109,302,255		16,214,105		115,675		26,648,356
Jeanne McGovern		123,789,473		1,705,138		137,424		26,648,356
David B. Sewell		123,919,416		1,598,748		113,871		26,648,356
Jan E. Tighe		124,096,220		1,417,968		117,847		26,648,356

The stockholders voted to re-elect each of the Company’s director nominees to serve until the Company’s 2027 Annual Meeting of Stockholders or her/his earlier resignation, removal or death.

Proposal 2

The advisory vote to approve named executive officer compensation.

For				Against				Abstain				BNV
	114,649,699				10,829,747				152,589				26,648,356

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

Proposal 3

The ratification of the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.

For				Against				Abstain
	148,926,255				3,208,773				145,363

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, 2026.

Proposal 4

The stockholder proposal requesting an independent board chair policy.

For				Against				Abstain				BNV
	32,401,736				92,855,029				375,270				26,648,356

The stockholders did not approve the stockholder proposal requesting an independent board chair policy.

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.

	HUNTSMAN CORPORATION

	/s/ AMY K. SMEDLEY
	Executive Vice President, General Counsel and Secretary

Dated: May 1, 2026