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- Koppers Holdings
- Understand $KOP
- $KOP Overview
- Insights BETA
- Company Executives
- Valuations
- SEC Filings
- 10-K 10-K/A 10-Q 144 144/A 3 3/A 4 424B1 424B3 4/A 5 5/A 8-A12B 8-K 8-K/A ARS CERTNYS CORRESP DEF 14A DEFA14A EFFECT POS AM POSASR PRE 14A S-1 S-1/A S-3 S-3/A S-3ASR S-4 S-4/A S-8 SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
- MAIN NAVIGATION
- Dashboard
- Stock Screener

UnderstandStock

- Koppers Holdings
- Understand $KOP
- $KOP Overview
- Insights BETA
- Company Executives
- Valuations
- SEC Filings
- 10-K 10-K/A 10-Q 144 144/A 3 3/A 4 424B1 424B3 4/A 5 5/A 8-A12B 8-K 8-K/A ARS CERTNYS CORRESP DEF 14A DEFA14A EFFECT POS AM POSASR PRE 14A S-1 S-1/A S-3 S-3/A S-3ASR S-4 S-4/A S-8 SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
- MAIN NAVIGATION
- Dashboard
- Stock Screener

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$KOP Market Cap:

Research Board Inbox Deep Research Not Interested Shortlisted

$KOP SEC Filings

Filing	Filed On
AMENDMENT NO.1 TO FORM 10-K	27 Mar 2012

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