Form 8-K

8-K — Huntsman CORP

Accession: 0001104659-26-054144

Filed: 2026-05-01

Period: 2026-04-29

CIK: 0001307954

SIC: 2800 (CHEMICALS & ALLIED PRODUCTS)

Item: Submission of Matters to a Vote of Security Holders

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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

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.

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

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Entity Registrant Name

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Entity Central Index Key

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Entity Tax Identification Number

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Entity Incorporation, State or Country Code

Entity Address, Address Line One

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Entity Address, City or Town

The Woodlands

Entity Address, State or Province

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City Area Code

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Local Phone Number

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