Peter R. Huntsman - 03 Feb 2026 Form 4 Insider Report for Huntsman CORP (HUN)

Role: Chairman, President & CEO, Director
Signature: Rachel K. Muir, by Power of Attorney
Issuer symbol: HUN
Transactions as of: 03 Feb 2026
Net transactions value: +$2,139,655
Form type: 4
Filing time: 05 Feb 2026, 16:33:21 UTC
Previous filing: 08 May 2025
Next filing: 17 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Huntsman Peter R	Chairman, President & CEO, Director	10003 WOODLOCH FOREST DRIVE, THE WOODLANDS	Rachel K. Muir, by Power of Attorney	05 Feb 2026	0001314653

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HUN	Common Stock	Options Exercise	$2,139,655	+241,496	+3.7%	$8.86	6,841,723	03 Feb 2026	Direct
holding	HUN	Common Stock						933,328	03 Feb 2026	By P&B Capital, L.C.

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	HUN	Option (Right to Buy)	Options Exercise	$0	-241,496	-100%	$0.000000	0	03 Feb 2026	Common Stock	241,496	$8.86	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This installment of options granted under the Huntsman Corporation 2016 Stock Incentive Plan vested on February 3, 2019.