19 results
8-K
EX-1.1
KOP
Koppers Holdings Inc
27 Feb 20
Entry into a Material Definitive Agreement
7:55am
any preemptive rights, rights of first refusal, or any other rights (whether pursuant to a “poison pill” provision or otherwise) to purchase any
424B3
aayy55rn3unu7jhsq
27 Feb 20
Prospectus supplement
7:42am
S-3ASR
xea4mg fcdz1upc
27 Feb 20
Automatic shelf registration
6:37am
S-3ASR
av56 g3nl8
27 Jun 12
Automatic shelf registration
12:00am
424B3
scdd5l4k0o0sod0
25 Sep 09
Prospectus supplement
12:00am
424B3
sx18ycl 6eo1d0eo
28 Nov 06
Prospectus supplement
12:00am
424B3
aypx1xls
11 Sep 06
Prospectus supplement
12:00am
S-3/A
qyes 06wl7kwz8oil5k
1 Sep 06
Shelf registration (amended)
12:00am
424B1
lapdrz9y
2 Feb 06
Prospectus with pricing info
12:00am
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