HANSEN STEEN WEIEN (Division President) received a stock award from HUNTSMAN CORP

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

HANSEN STEEN WEIEN

Filed: 2/17/2026ACC: 0001214659-26-002071

InsiderHANSEN STEEN WEIENCIK 2066896

→

IssuerHUNTSMAN CORPCIK 1307954

Officer· Division President

Since Feb 2026

+28.18K

Net shares

Net buyer

$25.9K

Total sold

Open market trades

0B · 0S

Total transactions

36.75K acquired · 8.56K disposed

Non-Derivative Transactions7

Common Stock

Direct

A · Award

+30.14K

Price / share

—

Trade value

—

% of position

20.9%

2/12/2026

144.04K→174.18K

Common Stock

Direct

M · Option Exercise

+1.51K

Price / share

—

Trade value

—

% of position

0.9%

2/13/2026

174.18K→175.70K

Common Stock

Direct

F · Tax Withholding

−449.00

Price / share

$13.21

Trade value

$5.93K

% of position

0.3%

2/13/2026

175.70K→175.25K

Common Stock

Direct

M · Option Exercise

+1.95K

Price / share

—

Trade value

—

% of position

1.1%

2/13/2026

175.25K→177.20K

Common Stock

Direct

F · Tax Withholding

−579.00

Price / share

$13.21

Trade value

$7.65K

% of position

0.3%

2/13/2026

177.20K→176.62K

Common Stock

Direct

M · Option Exercise

+3.14K

Price / share

—

Trade value

—

% of position

1.8%

2/13/2026

176.62K→179.76K

Common Stock

Direct

F · Tax Withholding

−932.00

Price / share

$13.21

Trade value

$12.31K

% of position

0.5%

2/13/2026

179.76K→178.83K

Total

Net shares

+34.79K

Net value

-$25.89K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/12/2026	A · Award	+30.14K	—	—	20.9%	144.04K	174.18K
Common Stock Direct	2/13/2026	M · Option Exercise	+1.51K	—	—	0.9%	174.18K	175.70K
Common Stock Direct	2/13/2026	F · Tax Withholding	−449.00	$13.21	$5.93K	0.3%	175.70K	175.25K
Common Stock Direct	2/13/2026	M · Option Exercise	+1.95K	—	—	1.1%	175.25K	177.20K
Common Stock Direct	2/13/2026	F · Tax Withholding	−579.00	$13.21	$7.65K	0.3%	177.20K	176.62K
Common Stock Direct	2/13/2026	M · Option Exercise	+3.14K	—	—	1.8%	176.62K	179.76K
Common Stock Direct	2/13/2026	F · Tax Withholding	−932.00	$13.21	$12.31K	0.5%	179.76K	178.83K
Total			+34.79K		-$25.89K

Derivative Transactions3

Phantom Stock

Direct

M · Option Exercise

Converts to

Common Stock

1.51K shares

−1.51K

Strike price

Held after

0.00

Exercisable

—

2/13/2026

Phantom Stock

Direct

M · Option Exercise

Converts to

Common Stock

1.95K shares

−1.95K

Strike price

Held after

1.95K

Exercisable

—

2/13/2026

Phantom Stock

Direct

M · Option Exercise

Converts to

Common Stock

3.14K shares

−3.14K

Strike price

Held after

6.28K

Exercisable

—

2/13/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Phantom Stock Direct	Common Stock1.51K shares	2/13/2026	M · Option Exercise	−1.51K	—	0.00
Phantom Stock Direct	Common Stock1.95K shares	2/13/2026	M · Option Exercise	−1.95K	—	1.95K
Phantom Stock Direct	Common Stock3.14K shares	2/13/2026	M · Option Exercise	−3.14K	—	6.28K