152 results
Page 4 of 8
8-K
EX-99.1
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3 May 19
Koppers Holdings Inc. Reports First Quarter 2019 Results
9:05am
8-K
EX-99.1
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1 Mar 19
Koppers Holdings Inc. Reports Fourth Quarter and Full-Year 2018 Results
9:22am
8-K
EX-99.1
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8 Nov 18
Results of Operations and Financial Condition
9:50am
8-K
EX-99.1
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9 Aug 18
Results of Operations and Financial Condition
9:16am
8-K
EX-99.1
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3 May 18
Results of Operations and Financial Condition
9:09am
8-K
EX-99.1
eszerar
13 Apr 18
Entry into a Material Definitive Agreement
12:00am