53 results
8-K
EX-3.2
KOP
Koppers Holdings Inc
3 Aug 23
Amendments to Articles of Incorporation or Bylaws
4:34pm
; and, in general, shall perform all duties incident to the office of Secretary, and such other duties as may from time to time be assigned by the Board
S-8
EX-99.1
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7 May 21
Registration of securities for employees
9:42am
8-K
EX-1.1
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27 Feb 20
Entry into a Material Definitive Agreement
7:55am