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Company

Koppers Holdings Inc.

KOP · CIK 0001315257

SEC FORM 4
$183,840.00

Koppers Holdings Inc. (KOP)

Sale of 4,000 shares at $45.96 per share.

Reporting Person BALL M LEROY · Officer Title CEO · Transaction Code S

Traded Aug 31, 2026 · Disclosed Sep 1, 2026

Source: SEC Form 4 · 0001229771-26-000020 · filed 2026-09-01 · View filing →

SEC FORM 4
$137,520.00

Koppers Holdings Inc. (KOP)

Sale of 3,000 shares at $45.84 per share.

Reporting Person BALL M LEROY · Officer Title CEO · Transaction Code S

Traded Aug 19, 2026 · Disclosed Aug 20, 2026

Source: SEC Form 4 · 0001229771-26-000018 · filed 2026-08-20 · View filing →

SEC FORM 4
$58,271.40

Koppers Holdings Inc. (KOP)

Sale of 1,308 shares at $44.55 per share.

Reporting Person Lucas Stephen G · Officer Title SVP, Culture and Engagement · Transaction Code S

Traded Aug 12, 2026 · Disclosed Aug 13, 2026

Source: SEC Form 4 · 0001919175-26-000008 · filed 2026-08-13 · View filing →

SEC FORM 4
$375,000.00

Koppers Holdings Inc. (KOP)

Sale of 7,500 shares at $50 per share.

Reporting Person Sullivan James A. · Officer Title President and CTO · Transaction Code S

Traded Aug 11, 2026 · Disclosed Aug 12, 2026

Source: SEC Form 4 · 0001450800-26-000006 · filed 2026-08-12 · View filing →