Huntsman (HUN) CEO boosts stake with 241,496-share option exercise

Rhea-AI Filing Summary

Huntsman Corporation Chairman, President & CEO Peter R. Huntsman reported an option exercise and related share acquisition. On February 3, 2026, he exercised 241,496 stock options at $8.86 per share, receiving an equal number of common shares.

Following this transaction, he directly owned 6,841,723 shares of Huntsman common stock and indirectly held 933,328 shares through P&B Capital, L.C. The options were granted under the Huntsman Corporation 2016 Stock Incentive Plan and had vested on February 3, 2019.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Huntsman Peter R

(Last) (First) (Middle)

10003 WOODLOCH FOREST DRIVE

(Street)

THE WOODLANDS TX 77380

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Huntsman CORP [ HUN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman, President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/03/2026		M		241,496	A	$8.86	6,841,723	D
Common Stock								933,328	I	By P&B Capital, L.C.

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option (Right to Buy)	$8.86	02/03/2026		M			241,496	(1)	02/03/2026	Common Stock	241,496	$0	0	D

Explanation of Responses:

1. This installment of options granted under the Huntsman Corporation 2016 Stock Incentive Plan vested on February 3, 2019.

Remarks:

	Rachel K. Muir, by Power of Attorney	02/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did Huntsman (HUN) report on February 3, 2026?

Huntsman (HUN) reported that CEO Peter R. Huntsman exercised 241,496 stock options on February 3, 2026, at $8.86 per share, receiving an equal number of common shares. This was recorded as an option exercise (code M) rather than an open-market trade.

How many Huntsman (HUN) shares does CEO Peter R. Huntsman own after this Form 4?

After the reported transaction, Peter R. Huntsman directly owned 6,841,723 Huntsman common shares. He also indirectly held 933,328 additional shares through P&B Capital, L.C., reflecting both his direct personal stake and an indirect ownership position associated with that entity.

What was the exercise price of the options in this Huntsman (HUN) Form 4 filing?

The options exercised by Peter R. Huntsman carried an exercise price of $8.86 per share. Exercising 241,496 options at this price converted those derivative securities into an equal number of Huntsman common shares as part of his long-term equity compensation.

What equity plan were the exercised Huntsman (HUN) options granted under?

The options were granted under the Huntsman Corporation 2016 Stock Incentive Plan. A footnote explains that this particular installment of options vested on February 3, 2019, and was later exercised on February 3, 2026, to acquire Huntsman common stock.

Does the Huntsman (HUN) Form 4 show any indirect share ownership for the CEO?

Yes. In addition to his direct holdings, the Form 4 shows 933,328 Huntsman common shares held indirectly by P&B Capital, L.C. This is reported as indirect beneficial ownership, separate from his 6,841,723 directly held Huntsman shares after the transaction.

Was this Huntsman (HUN) Form 4 transaction an option grant or an option exercise?

The Form 4 reports an option exercise, not a new grant. Transaction code M and the tables show 241,496 options with a $8.86 exercise price being converted into 241,496 Huntsman common shares, reducing derivative holdings to zero for that specific option award.