FilingFirehose · red flags tracker

KOP red flag history

Koppers Holdings Inc. · CIK 1315257 · 2 red-flag filings detected

20260508 16:00:00-0 · CIK 1315257 · Item 5.02 · Officer Departure

Koppers Holdings Inc.

All filer-reported items: 2.02, 2.05, 5.02, 5.07, 7.01, 9.01

20260507 16:00:00-0 · CIK 1315257 · Item 5.02 · Officer Departure

Koppers Holdings Inc.

All filer-reported items: 5.02, 9.01

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