KOP News — Page 2
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2016-02-25 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2016-02-22 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2016-01-13 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.05,2.06,9.01. |
| 2015-11-13 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2015-11-05 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2015-08-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2015-05-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,5.07,9.01. |
| 2015-02-26 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2015-02-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2015-01-22 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01,9.01. |
| 2015-01-14 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01,9.01. |
| 2014-12-09 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2014-11-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02,8.01,9.01. |
| 2014-11-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2014-10-30 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K/A | Koppers Holdings Inc. filed Form 8-K/A covering items 2.01,9.01. |
| 2014-09-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 7.01,9.01. |
| 2014-08-21 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,1.02,2.01,2.03,8.01,9.01. |
| 2014-08-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2014-08-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02,9.01. |
| 2014-07-30 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2014-05-05 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,5.02,5.07,9.01. |
| 2014-04-28 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2014-04-28 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2014-04-14 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,8.01,9.01. |
| 2014-02-24 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2014-02-13 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2014-01-22 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.05,2.06,9.01. |
| 2014-01-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2013-12-18 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,2.03,9.01. |
| 2013-11-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2013-08-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2013-07-16 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2013-05-03 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,5.07,9.01. |
| 2013-04-01 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,1.02,2.03,9.01. |
| 2013-02-14 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2012-11-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2012-09-14 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01. |
| 2012-08-10 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01. |
| 2012-08-09 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2012-06-27 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01,9.01. |
| 2012-05-04 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,5.07,9.01. |
| 2012-02-16 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2011-12-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.05,9.01. |
| 2011-11-03 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2011-08-05 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K/A | Koppers Holdings Inc. filed Form 8-K/A covering items 5.07. |
| 2011-08-05 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2011-05-09 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,5.07,9.01. |
| 2011-03-29 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2011-02-17 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2010-11-05 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2010-08-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2010-07-16 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2010-05-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2010-02-23 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2010-02-18 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2010-02-05 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2009-12-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,2.03,8.01,9.01. |
| 2009-11-23 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,8.01,9.01. |
| 2009-11-13 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01,9.01. |
| 2009-11-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2009-09-04 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01,9.01. |
| 2009-08-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2009-05-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2009-02-18 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2009-01-22 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2008-11-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2008-10-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.01. |
| 2008-08-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2008-05-09 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2008-02-22 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2008-02-12 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2008-02-01 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2007-11-30 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01. |
| 2007-11-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2007-08-09 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2007-05-04 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2007-03-20 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01. |
| 2007-02-28 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,8.01,9.01. |
| 2007-02-20 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2007-01-04 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2006-12-12 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2006-11-30 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2006-11-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2006-11-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2006-11-06 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02. |
| 2006-11-01 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.02,9.01. |
| 2006-08-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2006-06-28 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.05. |
| 2006-05-26 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2006-05-23 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,5.02. |
| 2006-05-11 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2006-05-03 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.03,9.01. |
| 2006-04-28 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2006-04-21 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.05. |
| 2006-03-10 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 2.02,9.01. |
| 2006-03-02 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |
| 2006-02-07 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,1.02,5.03,9.01. |
| 2005-12-13 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 5.03,8.01. |
| 2005-12-08 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 8.01. |
| 2005-12-05 | Current report | SEC filing | Koppers Holdings Inc. filed Form 8-K | Koppers Holdings Inc. filed Form 8-K covering items 1.01,9.01. |