SEC Filings
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Koppers Holdings Inc.
S-8
11 filings
All S-8 Filings
Complete history of S-8 filings with the SEC
| Date Filed | View on EDGAR |
|---|---|
|
08
May
May 08, 2026
|
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09
May
May 09, 2025
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06
Aug
Aug 06, 2021
|
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|
07
May
May 07, 2021
|
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07
May
May 07, 2021
|
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06
May
May 06, 2020
|
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03
May
May 03, 2018
|
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03
Aug
Aug 03, 2017
|
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10
Jun
Jun 10, 2016
|
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|
12
Nov
Nov 12, 2014
|
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29
Jun
Jun 29, 2006
|
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