SULLIVAN JAMES A.

PrivateCIK: 1450800
Location

PITTSBURGH, PA

Senior insider sale

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

$4.38M

87.50K shares

What this filing means

SULLIVAN JAMES A. plans to sell 87.50K shares of KOPPERS HOLDINGS INC. valued at approximately $4.38M. 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.

InsiderSULLIVAN JAMES A.CIK 1450800
IssuerKOPPERS HOLDINGS INC.CIK 1315257
Officer· President and CTO
Since Feb 2026
87.50K
Shares to sell
$4.38M
Approx. market value
7.50K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months7
Sort

Restricted Stock Vesting

Compensation

1/5/2025
2.04K

Restricted Stock Vesting

Compensation

4/2/2020
1.00

Restricted Stock Vesting

Compensation

3/6/2020
166.00

Restricted Stock Vesting

Compensation

3/3/2020
3.08K

Restricted Stock Vesting

Compensation

3/2/2020
438.00

Restricted Stock Vesting

Compensation

2/28/2020
646.00

Restricted Stock Vesting

Compensation

3/3/2016
1.12K
Total acquired7.50K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

80K

Market value

$4.00M

8/7/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

7.50K

Market value

$375.0K

8/11/2026
Total

Units

87.50K

Value

$4.38M