Koppers Holdings Inc. — 10-Q Filings
63 10-Q filings on record
This page lists all 10-Q 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 63 10-Q 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 |
|---|---|---|---|---|
| 10-Q | FORM 10-Q | 0001193125-09-103461 | May 7, 2009 | Mar 31, 2009 |
| 10-Q | FORM 10-Q | 0001193125-08-227731 | Nov 6, 2008 | Sep 30, 2008 |
| 10-Q | FORM 10-Q | 0001193125-08-170204 | Aug 7, 2008 | Jun 30, 2008 |
| 10-Q | FORM 10-Q | 0001193125-08-109409 | May 9, 2008 | Mar 31, 2008 |
| 10-Q | FORM 10-Q | 0001193125-07-240010 | Nov 8, 2007 | Sep 30, 2007 |
| 10-Q | FORM 10-Q | 0001193125-07-177005 | Aug 9, 2007 | Jun 30, 2007 |
| 10-Q | FORM 10-Q | 0001193125-07-101041 | May 3, 2007 | Mar 31, 2007 |
| 10-Q | QUARTERLY REPORT | 0001193125-06-224564 | Nov 6, 2006 | Sep 30, 2006 |
| 10-Q | FORM 10-Q | 0001193125-06-161898 | Aug 4, 2006 | Jun 30, 2006 |
| 10-Q | FORM 10-Q | 0001193125-06-108520 | May 11, 2006 | Mar 31, 2006 |
| 10-Q | FORM 10-Q | 0001193125-05-225983 | Nov 14, 2005 | Sep 30, 2005 |
| 10-Q | FORM 10Q | 0001193125-05-162938 | Aug 10, 2005 | Jun 30, 2005 |
| 10-Q | FORM 10-Q | 0001193125-05-112310 | May 20, 2005 | Mar 31, 2005 |