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

What the insiders did Net selling

Insider
Date
Role
Action
Shares
Price
Amount
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