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

Bought (120 mo)

$6.69M

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$30.45M

$0.00 on a plan · $18.01M straight out of an exercise

Sold at will

$12.44M

65 of 179 sales

Net

−$23.76M

−$5.75M against sales at will