39 results
8-K
EX-99.1
KOP
Koppers Holdings Inc
5 May 23
Koppers Reports First Quarter 2023 Results; Reaffirms 2023 Outlook
8:40am
than forecast. In combination, that easily propelled our PC business to its best-ever non-pandemic fueled first quarter profitability. Our RUPS segment
8-K
EX-99.1
KOP
Koppers Holdings Inc
21 Jun 22
Koppers Secures New $800 Million Credit Facility
8:07am
of the coronavirus (COVID-19) pandemic; disruption in the U.S. and global financial markets; potential difficulties in protecting our intellectual property
8-K
EX-99.1
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6 May 22
Koppers Reports First Quarter 2022 Results
8:30am
8-K
EX-99.1
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23 Feb 22
Koppers Reports Fourth Quarter and Full-Year 2021 Results; Provides 2022 Outlook
7:55am
8-K
EX-99.2
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23 Feb 22
Koppers Reports Fourth Quarter and Full-Year 2021 Results; Provides 2022 Outlook
7:55am
8-K
EX-99.1
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4 Nov 21
Koppers Holdings Inc. Reports Third Quarter 2021 Results
8:44am
8-K
EX-99.1
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6 Aug 21
Koppers Holdings Inc. Reports Second Quarter 2021 Results
8:38am
8-K
EX-99.1
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6 Aug 21
Koppers Announces Planned Leadership Succession
8:37am
8-K
EX-99.1
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7 May 21
Koppers Holdings Inc. Reports Record-First Quarter 2021 Results
10:40am
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19 Apr 21
Additional proxy soliciting materials
2:05pm