Huntsman (HUN) executive logs restricted stock grant and phantom stock settlement

Rhea-AI Filing Summary

Huntsman Corporation Division President Hansen Steen Weien reported equity-based compensation and related share settlements. On February 12, 2026, he acquired 30,143 shares of common stock as a grant of restricted stock under the Huntsman Corporation 2025 Stock Incentive Plan, which vests in three equal annual installments beginning February 12, 2027.

On February 13, 2026, shares of phantom stock were exercised and settled into common stock at a conversion price of $0 per share, and a portion of the resulting common shares was automatically withheld at $13.21 per share to cover tax obligations. Following these transactions, he directly held 178,827 shares of common stock.

Insider Trade Summary

6,604 shares exercised/converted

Mixed 10 txns

Insider Hansen Steen Weien

Role Division President

Type	Security	Shares	Price	Value
Exercise	Phantom Stock	1,513	$0.00	--
Exercise	Phantom Stock	1,950	$0.00	--
Exercise	Phantom Stock	3,141	$0.00	--
Exercise	Common Stock	1,513	$0.00	--
Tax Withholding	Common Stock	449	$13.21	$6K
Exercise	Common Stock	1,950	$0.00	--
Tax Withholding	Common Stock	579	$13.21	$8K
Exercise	Common Stock	3,141	$0.00	--
Tax Withholding	Common Stock	932	$13.21	$12K
Grant/Award	Common Stock	30,143	$0.00	--

Holdings After Transaction: Phantom Stock — 0 shares (Direct); Common Stock — 175,696 shares (Direct)

Footnotes (1)

1. These shares of restricted stock granted under the Huntsman Corporation 2025 Stock Incentive Plan vest in three equal annual installments beginning February 12, 2027. 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. Shares automatically withheld upon settlement of phantom stock.

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

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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^*

Hansen Steen Weien

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Division President

3. Date of Earliest Transaction (Month/Day/Year)
02/12/2026

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	02/12/2026		A(1)		30,143	A	$0	174,183	D
Common Stock	02/13/2026		M		1,513	A	(2)	175,696	D
Common Stock	02/13/2026		F(3)		449	D	$13.21	175,247	D
Common Stock	02/13/2026		M		1,950	A	(2)	177,197	D
Common Stock	02/13/2026		F(3)		579	D	$13.21	176,618	D
Common Stock	02/13/2026		M		3,141	A	(2)	179,759	D
Common Stock	02/13/2026		F(3)		932	D	$13.21	178,827	D

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
Phantom Stock	(2)	02/13/2026		M			1,513	02/16/2026	02/16/2026	Common Stock	1,513	$0(2)	0	D
Phantom Stock	(2)	02/13/2026		M			1,950	02/15/2026	02/15/2026	Common Stock	1,950	$0(2)	1,950	D
Phantom Stock	(2)	02/13/2026		M			3,141	02/13/2026	02/13/2026	Common Stock	3,141	$0(2)	6,282	D

Explanation of Responses:

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

2. 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.

3. Shares automatically withheld upon settlement of phantom stock.

Remarks:

	Rachel K. Muir, by Power of Attorney	02/17/2026
	** 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 transactions did Huntsman (HUN) report for Hansen Steen Weien?

Huntsman reported that Division President Hansen Steen Weien received 30,143 restricted shares and settled phantom stock into common shares, with some shares withheld to cover taxes. These moves reflect equity compensation and do not represent open-market buying or selling activity.

How many Huntsman (HUN) shares does Hansen Steen Weien own after these Form 4 transactions?

After the reported transactions, Hansen Steen Weien directly owned 178,827 shares of Huntsman common stock. This figure reflects the restricted stock grant, the conversion of phantom stock into common shares, and automatic share withholding to satisfy tax obligations linked to the settlements.

What is the nature of the 30,143-share grant reported for Huntsman (HUN)?

The 30,143 shares are restricted stock granted under the Huntsman Corporation 2025 Stock Incentive Plan. They vest in three equal annual installments starting February 12, 2027, meaning the executive earns full ownership gradually over a three-year period, subject to plan terms.

What does the phantom stock transaction mean in Huntsman (HUN)'s Form 4 filing?

Each phantom stock unit represents the right to receive one Huntsman common share or its cash value. In this filing, the executive’s phantom stock was settled into common shares, effectively converting deferred units into actual stock without an open-market purchase.

Were any Huntsman (HUN) shares sold on the open market in this Form 4?

No open-market sales are reported. Shares labeled with transaction code “F” were automatically withheld at $13.21 per share to pay tax liabilities tied to phantom stock settlement, a common administrative mechanism distinct from discretionary selling into the market.

How do the Huntsman (HUN) restricted shares vest for Hansen Steen Weien?

The restricted stock award vests in three equal annual installments beginning February 12, 2027. Each year, one-third of the 30,143 granted shares becomes fully owned, incentivizing longer-term retention and performance in alignment with Huntsman’s stock incentive plan.