SULLIVAN JAMES A. (President and CTO) received a stock award from KOPPERS HOLDINGS INC.

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

A · 1 award

SULLIVAN JAMES A.

Filed: 1/6/2026ACC: 0001450800-26-000002

InsiderSULLIVAN JAMES A.CIK 1450800

→

IssuerKOPPERS HOLDINGS INC.CIK 1315257

Officer· President and CTO

Since Feb 2026

+14.67K

Net shares

Net buyer

$367.8K

Total sold

Open market trades

0B · 0S

Total transactions

41.40K acquired · 26.72K disposed

Non-Derivative Transactions4

Common Stock

Direct

A · Award

+21.72K

Price / share

—

Trade value

—

% of position

15.7%

1/5/2026

138.13K→159.85K

Common Stock

Direct

M · Option Exercise

+12.44K

Price / share

—

Trade value

—

% of position

7.8%

1/5/2026

159.85K→172.29K

Common Stock

Direct

M · Option Exercise

+622.00

Price / share

—

Trade value

—

% of position

0.4%

1/5/2026

172.29K→172.91K

Common Stock

Direct

F · Tax Withholding

−13.66K

Price / share

$26.93

Trade value

$367.81K

% of position

7.9%

1/5/2026

172.91K→159.26K

Total

Net shares

+21.13K

Net value

-$367.81K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	1/5/2026	A · Award	+21.72K	—	—	15.7%	138.13K	159.85K
Common Stock Direct	1/5/2026	M · Option Exercise	+12.44K	—	—	7.8%	159.85K	172.29K
Common Stock Direct	1/5/2026	M · Option Exercise	+622.00	—	—	0.4%	172.29K	172.91K
Common Stock Direct	1/5/2026	F · Tax Withholding	−13.66K	$26.93	$367.81K	7.9%	172.91K	159.26K
Total			+21.13K		-$367.81K

Derivative Transactions5

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

3.07K shares

+3.07K

Strike price

Held after

12.44K

Exercisable

—

1/2/2026

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

3.43K shares

+3.43K

Strike price

Held after

3.43K

Exercisable

—

1/2/2026

Dividend Equivalent Rights

Direct

A · Award

Converts to

Common Stock

107.00 shares

+107.00

Strike price

Held after

916.00

Exercisable

—

1/2/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

12.44K shares

−12.44K

Strike price

Held after

0.00

Exercisable

—

1/5/2026

Dividend Equivalent Rights

Direct

M · Option Exercise

Converts to

Common Stock

622.00 shares

−622.00

Strike price

Held after

294.00

Exercisable

—

1/5/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock3.07K shares	1/2/2026	A · Award	+3.07K	—	12.44K
Restricted Stock Units Direct	Common Stock3.43K shares	1/2/2026	A · Award	+3.43K	—	3.43K
Dividend Equivalent Rights Direct	Common Stock107.00 shares	1/2/2026	A · Award	+107.00	—	916.00
Restricted Stock Units Direct	Common Stock12.44K shares	1/5/2026	M · Option Exercise	−12.44K	—	0.00
Dividend Equivalent Rights Direct	Common Stock622.00 shares	1/5/2026	M · Option Exercise	−622.00	—	294.00