Huntsman CORP — Director's Dealing 2026

Feb 17, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Huntsman CORP (HUN)
CIK: 0001307954
Period of Report: 2026-02-12

Reporting Person: Hansen Steen Weien (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-12	Common Stock	A	30143	—	Acquired	174183	Direct
2026-02-13	Common Stock	M	1513	—	Acquired	175696	Direct
2026-02-13	Common Stock	F	449	$13.21	Disposed	175247	Direct
2026-02-13	Common Stock	M	1950	—	Acquired	177197	Direct
2026-02-13	Common Stock	F	579	$13.21	Disposed	176618	Direct
2026-02-13	Common Stock	M	3141	—	Acquired	179759	Direct
2026-02-13	Common Stock	F	932	$13.21	Disposed	178827	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-13	Phantom Stock	$	M	1513	Disposed	2026-02-16	Common Stock (1513)	Direct
2026-02-13	Phantom Stock	$	M	1950	Disposed	2026-02-15	Common Stock (1950)	Direct
2026-02-13	Phantom Stock	$	M	3141	Disposed	2026-02-13	Common Stock (3141)	Direct

Footnotes

F1: These shares of restricted stock granted under the Huntsman Corporation 2025 Stock Incentive Plan vest in three equal annual installments beginning February 12, 2027.

F2: Each share of phantom stock represents a right to receive one share of common stock or, at Huntsman Corporation's election, the cash value thereof. The reporting person's shares of phantom stock were settled for shares of common stock.

F3: Shares automatically withheld upon settlement of phantom stock.