Huntsman CORP (HUN) officer withholds 422 shares to cover taxes

Rhea-AI Filing Summary

Huntsman CORP Division President Jan Buberl reported a tax-withholding disposition of 422 shares of common stock on July 31, 2026. The shares were automatically withheld upon vesting of restricted stock to cover tax obligations at an indicated price of $9.76 per share. After this transaction, Buberl directly holds 55,791 Huntsman shares.

Insider Trade Summary

Net Seller: 422 shares

Net Sell 1 txn

Insider Buberl Jan

Role Division President

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	422	$9.76	$4K

Holdings After Transaction: Common Stock — 55,791 shares (Direct)

Footnotes (1)

1. F1. Shares automatically withheld upon vesting of restricted stock to satisfy tax withholding obligations.

Key Figures

Shares withheld for taxes: 422 shares Tax withholding price: $9.76 per share Shares held after transaction: 55,791 shares

3 metrics

Shares withheld for taxes 422 shares Common stock automatically withheld upon vesting of restricted stock

Tax withholding price $9.76 per share Indicated price for the tax-withholding disposition of 422 shares

Shares held after transaction 55,791 shares Direct common stock holdings after July 31, 2026 disposition

Key Terms

restricted stock, tax withholding obligations, vesting

3 terms

restricted stock financial

"Shares automatically withheld upon vesting of restricted stock to satisfy tax"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

tax withholding obligations financial

"withheld upon vesting of restricted stock to satisfy tax withholding obligations"

vesting financial

"Shares automatically withheld upon vesting of restricted stock to satisfy tax"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/03/2026 - 04:22 PM Accepted by SEC EDGAR 08/03/2026 - 04:22 PM Learn about SEC filing dates

FAQ

What insider transaction did Huntsman CORP (HUN) report for Jan Buberl?

Huntsman CORP reported that Division President Jan Buberl had 422 shares of common stock withheld on July 31, 2026. The shares were automatically retained upon vesting of restricted stock to satisfy tax withholding obligations.

How many Huntsman (HUN) shares were withheld for taxes in this Form 4?

The Form 4 shows that 422 shares of Huntsman common stock were withheld. These shares were automatically applied to cover tax withholding obligations triggered by the vesting of restricted stock awards.

At what price were the Huntsman (HUN) shares valued for the tax withholding?

The withheld Huntsman shares were valued at $9.76 per share. This per-share amount is reported as the indicated price for the tax-withholding disposition of the 422 shares of common stock.

How many Huntsman (HUN) shares does Jan Buberl hold after this transaction?

After the reported tax-withholding event, Jan Buberl directly holds 55,791 shares of Huntsman common stock. This figure reflects his post-transaction ownership position disclosed in the Form 4.

Was the Huntsman (HUN) insider transaction made under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox was not marked, so this tax-withholding disposition of 422 shares was not reported as occurring under a pre-arranged trading plan.

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Buberl Jan

(Last) (First) (Middle)

10003 WOODLOCH FOREST DRIVE

(Street)

THE WOODLANDS TEXAS 10003

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/31/2026

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

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

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

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	07/31/2026		F		422(1)	D	$9.76	55,791	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

Explanation of Responses:

1. Shares automatically withheld upon vesting of restricted stock to satisfy tax withholding obligations.

Remarks:

	Rachel K. Muir, by Power of Attorney	08/03/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)