Senior insider sale

President and CTO at KOPPERS HOLDINGS INC. — senior position signals high conviction

$4.00M

80K shares

What this filing means

SULLIVAN JAMES A. plans to sell 80K shares of KOPPERS HOLDINGS INC. valued at approximately $4.00M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

SULLIVAN JAMES A.

Filed: 8/7/2026ACC: 0001959173-26-005788

InsiderSULLIVAN JAMES A.CIK 1450800

→

IssuerKOPPERS HOLDINGS INC.CIK 1315257

Officer· President and CTO

Since Feb 2026

80K

Shares to sell

$4.00M

Approx. market value

80K

Acquired (3 months)

Planned

Securities Acquired — Last 3 Months24

Sort

Restricted Stock Vesting

Compensation

1/5/2025

16.32K

Restricted Stock Vesting

Compensation

1/3/2025

951.00

Restricted Stock Vesting

Compensation

3/1/2024

1.49K

Restricted Stock Vesting

Compensation

1/5/2024

14.14K

Stock Option Exercise

Cash

12/5/2023

5.89K

Restricted Stock Vesting

Compensation

3/6/2023

686.00

Restricted Stock Vesting

Compensation

3/3/2023

1.49K

Restricted Stock Vesting

Compensation

1/5/2023

1.94K

Restricted Stock Vesting

Compensation

3/4/2022

12.26K

Restricted Stock Vesting

Compensation

3/3/2022

1.50K

Restricted Stock Vesting

Compensation

3/2/2022

467.00

Restricted Stock Vesting

Compensation

1/5/2022

1.10K

Restricted Stock Vesting

Compensation

3/5/2021

677.00

Restricted Stock Vesting

Compensation

3/3/2021

1.73K

Restricted Stock Vesting

Compensation

3/2/2021

411.00

Restricted Stock Vesting

Compensation

3/1/2019

689.00

ESPP Purchase

Cash

9/28/2018

175.00

ESPP Purchase

Cash

6/29/2018

162.00

ESPP Purchase

Cash

3/29/2018

147.00

Restricted Stock Vesting

Compensation

3/2/2018

14.26K

ESPP Purchase

Cash

12/29/2017

500.00

Restricted Stock Vesting

Compensation

3/7/2017

764.00

Restricted Stock Vesting

Compensation

3/1/2017

773.00

Restricted Stock Vesting

Compensation

2/17/2017

1.48K

Total acquired80K

Acquisition Date	Type	Amount Acquired	Gift
1/5/2025	Restricted Stock Vesting Compensation	16.32K	—
1/3/2025	Restricted Stock Vesting Compensation	951.00	—
3/1/2024	Restricted Stock Vesting Compensation	1.49K	—
1/5/2024	Restricted Stock Vesting Compensation	14.14K	—
12/5/2023	Stock Option Exercise Cash	5.89K	—
3/6/2023	Restricted Stock Vesting Compensation	686.00	—
3/3/2023	Restricted Stock Vesting Compensation	1.49K	—
1/5/2023	Restricted Stock Vesting Compensation	1.94K	—
3/4/2022	Restricted Stock Vesting Compensation	12.26K	—
3/3/2022	Restricted Stock Vesting Compensation	1.50K	—
3/2/2022	Restricted Stock Vesting Compensation	467.00	—
1/5/2022	Restricted Stock Vesting Compensation	1.10K	—
3/5/2021	Restricted Stock Vesting Compensation	677.00	—
3/3/2021	Restricted Stock Vesting Compensation	1.73K	—
3/2/2021	Restricted Stock Vesting Compensation	411.00	—
3/1/2019	Restricted Stock Vesting Compensation	689.00	—
9/28/2018	ESPP Purchase Cash	175.00	—
6/29/2018	ESPP Purchase Cash	162.00	—
3/29/2018	ESPP Purchase Cash	147.00	—
3/2/2018	Restricted Stock Vesting Compensation	14.26K	—
12/29/2017	ESPP Purchase Cash	500.00	—
3/7/2017	Restricted Stock Vesting Compensation	764.00	—
3/1/2017	Restricted Stock Vesting Compensation	773.00	—
2/17/2017	Restricted Stock Vesting Compensation	1.48K	—
Total		80K

Planned & Completed Dispositions1

Sort

NYSEPlanned

Units to sell

80K

Market value

$4.00M

8/7/2026

Total

Units

80K

Value

$4.00M

Date	Units to Sell	Approx. Market Value	Exchange	Status
8/7/2026	80K	$4.00M	NYSE	Planned
Total	80K	$4.00M