Koppers Holdings Inc. — 3 Filings
54 3 filings on record
This page lists all 3 filings submitted to the SEC by Koppers Holdings Inc. (KOP), sorted by most recent first. Each row links to the full filing on EdgarLookup. Koppers Holdings Inc. has filed 54 3 documents with the SEC since 2015. To view all SEC filings by Koppers Holdings Inc., see the full filings list.
All
10-K
10-K/A
10-Q
144
144/A
3
3/A
4
4/A
424B1
424B3
5
5/A
8-A12B
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
POS AM
POSASR
PRE 14A
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 3 | FORM 3 | 0001140361-06-001278 | Jan 31, 2006 | — |
| 3 | FORM 3 | 0001140361-06-001277 | Jan 31, 2006 | — |
| 3 | FORM 3 | 0001140361-06-001276 | Jan 31, 2006 | — |
| 3 | FORM 3 | 0001140361-06-001275 | Jan 31, 2006 | — |