Koppers Holdings Inc.

KOP

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001229771-26-000006
Filing date: Mar 4, 2026
Earliest execution date: Mar 2, 2026
Reporting Owners: BALL M LEROY (CEO)

Summary

Type

Sell

Net shares

-6,600

% of shares

-1.45%

Amount (USD)

$231,371

Insider confidence score

22.5 out of 100

Negative

  • Large discretionary sell (≥1% of shares)
  • Significant sell amount ($50K+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-2,184.0

Price per Share

$36.53

Amount (USD)

$79,781.52

Acquired/Disposed

Disposed

Shares Owned Before

456,548.4007

Shares Owned After

454,364.4007

Transaction 2

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-328.0

Price per Share

$37.45

Amount (USD)

$12,283.60

Acquired/Disposed

Disposed

Shares Owned Before

454,364.4007

Shares Owned After

454,036.4007

Transaction 3

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-3,763.0

Price per Share

$37.02

Amount (USD)

$139,306.26

Acquired/Disposed

Disposed

Shares Owned Before

454,036.4007

Shares Owned After

450,273.4007

Transaction 4

Security

Common Stock

Action

Grant

Date

2026-03-02

Code

G

Net shares

-325.0

Acquired/Disposed

Disposed

Shares Owned Before

450,273.4007

Shares Owned After

449,948.4007

Filing's footnotes

1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.22 to $37.16, inclusive. The reportingperson undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

2. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.42 to $37.51, inclusive. The reportingperson undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number ofshares sold at each separate price.

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.