Koppers Holdings Inc. — S-1/A Filings
4 S-1/A filings on record
This page lists all S-1/A 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 4 S-1/A 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 |
|---|---|---|---|---|
| S-1/A | AMENDMENT NO.4 TO FORM S-1 | 0001193125-06-007777 | Jan 18, 2006 | — |
| S-1/A | AMENDMENT NO.3 TO FORM S-1 | 0001193125-06-002943 | Jan 9, 2006 | — |
| S-1/A | AMENDMENT NO. 2 TO FORM S-1 | 0001193125-05-228122 | Nov 17, 2005 | — |
| S-1/A | AMENDMENT NO. 1 | 0001193125-05-204261 | Oct 20, 2005 | — |