Koppers Holdings Inc. — CORRESP Filings
16 CORRESP filings on record
This page lists all CORRESP 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 16 CORRESP 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 |
|---|---|---|---|---|
| CORRESP | — | 0000950170-23-014269 | Apr 25, 2023 | — |
| CORRESP | — | 0001193125-14-095567 | Mar 12, 2014 | — |
| CORRESP | — | 0001193125-14-086399 | Mar 6, 2014 | — |
| CORRESP | — | 0001193125-14-044592 | Feb 11, 2014 | — |
| CORRESP | — | 0001193125-14-018617 | Jan 23, 2014 | — |
| CORRESP | — | 0001193125-13-488427 | Dec 31, 2013 | — |
| CORRESP | — | 0001193125-12-446600 | Nov 1, 2012 | — |
| CORRESP | — | 0001193125-10-117165 | May 12, 2010 | — |
| CORRESP | — | 0001193125-10-006567 | Jan 14, 2010 | — |
| CORRESP | — | 0001193125-09-195155 | Sep 21, 2009 | — |
| CORRESP | — | 0001193125-09-174396 | Aug 13, 2009 | — |
| CORRESP | — | 0001193125-08-141227 | Jun 26, 2008 | — |
| CORRESP | — | 0001193125-08-114447 | May 14, 2008 | — |
| CORRESP | — | 0000950162-06-000114 | Jan 27, 2006 | — |
| CORRESP | — | 0000950162-06-000113 | Jan 27, 2006 | — |
| CORRESP | — | 0001193125-06-008006 | Jan 18, 2006 | — |