InsiderClue
Stocks · Materials · Lumber & Wood Products (No Furniture)

Koppers Holdings Inc.

KOP Clue Score37
United States Fiscal year ends December CIK 0001315257 Results filed 6 Aug 2026
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What the insiders did Net selling

Individual transactions

16
Insider
Date
Role
Action
Shares
Price
Amount
M Leroy Ball
31 Aug 2026
CEO
Sell
4,000
$45.96
$183.84K
M Leroy Ball
19 Aug 2026
CEO
Sell
3,000
$45.84
$137.52K
Stephen G Lucas
12 Aug 2026
SVP, Culture and Engagement
Sell
1,308
$44.55
$58.27K
James A. Sullivan
11 Aug 2026
President and CTO
Sell
7,500
$50.00
$375.00K
Bradley A Pearce
10 Aug 2026
CAO
Sell
2,000
$51.01
$102.02K
James A. Sullivan
7 Aug 2026
President and CTO
Sell
100
$51.22
$5.12K
James A. Sullivan
7 Aug 2026
President and CTO
Sell
79,900
$50.01
$4.00M
M Leroy Ball
18 Jun 2026
CEO
Sell
3,412
$43.90
$149.79K
M Leroy Ball
11 Jun 2026
CEO
Sell
4,141
$41.34
$171.19K
M Leroy Ball
13 May 2026
CEO
Sell
2,659
$42.55
$113.14K
M Leroy Ball
17 Mar 2026
CEO
Sell
2,489
$37.91
$94.36K
M Leroy Ball
2 Mar 2026
CEO
Sell
3,763
$37.02
$139.31K
M Leroy Ball
2 Mar 2026
CEO
Sell
328
$37.45
$12.28K
M Leroy Ball
2 Mar 2026
CEO
Sell
2,184
$36.53
$79.78K
M Leroy Ball
18 Feb 2026
CEO
Exercised, kept
30,728
$18.11
$556.48K
M Leroy Ball
10 Feb 2026
CEO
Exercised, kept
30,000
$18.11
$543.30K

What was left out

Form 4 filings counted 65
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 14
Transactions with no price 0
Shares from compensation/vesting 510,317
History held since 29 Sep 2006