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SCHEDULE 13G/A - Koppers Holdings Inc. | StockGist | StockGist

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KOP
SCHEDULE 13G/A

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SCHEDULE 13G/A

Beneficial Ownership

Amendment

Koppers Holdings Inc.

Filed Mar 27, 2026

Accepted Mar 27, 2026, 10:17 AM ET

CIK 0001315257

View on SEC.gov Company Profile

Beneficial Ownership Report

Passive Investment

Reporting Person

Koppers Holdings Inc.

Person Type

IA

Amendment History

4 filings

SCHEDULE 13G
Original
Apr 28, 20250001027796-25-000020
SCHEDULE 13G/A
Amendment 1
Feb 5, 20250002012383-25-001483
SCHEDULE 13G/A
Amendment 2
Apr 30, 20250000932471-25-000643
SCHEDULE 13G/A
Amendment 3
Latest
Viewing
Mar 27, 20260000102909-26-001632

Recent Filings

Koppers Holdings Inc.1 months ago

Koppers Holdings Inc.1 months ago

Koppers Holdings Inc.2 months ago

Koppers Holdings Inc.4 months ago

Koppers Holdings Inc.4 months ago

Data Sources

Original SEC Filing SEC EDGAR Company Page

Market

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Companies
Concepts

SEC Filings

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About

Data updates every 5 min
SEC EDGAR Source

© 2025–2026 StockGist|Information only, not investment advice