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KOP - As of  06/17/25, 02:23:35 PM:   88 Insider Transactions.

Sector: Basic Materials    Industry: Specialty Chemicals
Prev Close:$31.33  Avg Vol(3m): 139,483  P/E: 0.00  EPS: -3.40

Email this page to a friend.    Insider Transactions for KOP

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-02-14 11:36:07.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 4.6% view
S 2020-02-13 20:11:02.0 Koppers Holdings Inc KOP FULLER & THALER ASSET MANAGEMENT 7.77% view
S 2020-02-13 15:05:39.0 Koppers Holdings Inc KOP STATE STREET CORP 2.91% view
B 2020-02-11 19:24:17.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 10.53% view
S 2019-09-26 10:40:28.0 Koppers Holdings Inc KOP Division of Investment 4.98% view
B 2019-04-08 13:22:28.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 10.36% view
B 2019-02-14 13:09:18.0 Koppers Holdings Inc KOP FULLER & THALER ASSET MANAGEMENT 8.74% view
B 2019-02-14 12:51:02.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 9.81% view
B 2019-02-14 06:57:08.0 Koppers Holdings Inc KOP STATE STREET CORP 6.1% view
B 2019-01-31 14:05:36.0 Koppers Holdings Inc KOP BlackRock Inc 16.0% view
B 2019-01-31 11:19:08.0 Koppers Holdings Inc KOP Division of Investment 6.15% view
S 2019-01-10 16:37:30.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 7.84% view
B 2018-11-15 11:07:51.0 Koppers Holdings Inc KOP Division of Investment 5.14% view
B 2018-02-13 18:02:18.0 Koppers Holdings Inc KOP FULLER & THALER ASSET MANAGEMENT 5.8% view
S 2018-02-12 09:43:03.0 Koppers Holdings Inc KOP RBC Global Asset Management 4.2% view
B 2018-02-09 10:08:31.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 12.92% view
S 2017-02-14 10:02:57.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 5.36% view
B 2017-02-10 13:24:02.0 Koppers Holdings Inc KOP RBC Global Asset Management 5.2% view
B 2017-02-10 09:35:15.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 10.99% view
B 2017-01-12 17:08:22.0 Koppers Holdings Inc KOP BlackRock Inc 11.7% view
B 2016-06-09 14:35:50.0 Koppers Holdings Inc KOP BlackRock Inc 10.0% view
S 2016-02-12 13:53:34.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 6.65% view
S 2016-02-11 13:45:47.0 Koppers Holdings Inc KOP WELLINGTON MANAGEMENT GROUP LLP 0.3% view
B 2016-02-10 14:17:34.0 Koppers Holdings Inc KOP RBC Global Asset Management 5.1% view
B 2016-02-10 07:47:03.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 10.24% view
B 2016-02-10 07:19:42.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 8.38% view
S 2016-02-09 13:44:57.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 0.0% view
B 2016-01-26 16:39:55.0 Koppers Holdings Inc KOP BlackRock Inc 9.8% view
S 2015-09-04 13:09:46.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 8.81% view
B 2015-02-13 16:08:39.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 13.59% view
S 2015-02-13 14:08:54.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 5.4% view
B 2015-02-12 10:49:27.0 Koppers Holdings Inc KOP WELLINGTON MANAGEMENT GROUP LLP 7.82% view
B 2015-02-10 13:58:58.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 6.06% view
S 2015-01-22 14:24:28.0 Koppers Holdings Inc KOP BlackRock Inc 8.7% view
B 2014-02-14 09:32:13.0 Koppers Holdings Inc KOP WELLINGTON MANAGEMENT CO LLP 5.13% view
S 2014-02-11 15:15:32.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 6.03% view
S 2014-02-10 09:30:04.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 7.2% view
S 2014-02-07 15:20:22.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 12.7% view
B 2014-01-29 16:22:33.0 Koppers Holdings Inc KOP BlackRock Inc 8.8% view
S 2013-06-10 10:09:21.0 Koppers Holdings Inc KOP LORD 4.6% view
S 2013-02-14 09:23:33.0 Koppers Holdings Inc KOP LORD 7.76% view
S 2013-02-13 12:41:24.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 9.83% view
B 2013-02-11 14:16:23.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 6.13% view
B 2013-02-07 18:51:28.0 Koppers Holdings Inc KOP BlackRock Inc 7.51% view
B 2013-02-07 12:53:09.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 84.0% view
S 2013-01-10 09:17:45.0 Koppers Holdings Inc KOP LORD ABBETT RESEARCH FUND INC 4.93% view
S 2012-07-10 09:56:41.0 Koppers Holdings Inc KOP LORD 8.24% view
S 2012-02-14 13:01:29.0 Koppers Holdings Inc KOP LORD ABBETT RESEARCH FUND INC 5.84% view
B 2012-02-14 10:53:55.0 Koppers Holdings Inc KOP LORD 13.37% view
B 2012-02-13 15:06:38.0 Koppers Holdings Inc KOP BlackRock Inc 7.22% view
S 2012-02-10 12:32:19.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 10.46% view
B 2012-02-10 09:17:57.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 13.4% view
B 2012-02-09 08:17:36.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 5.41% view
S 2012-02-07 13:35:30.0 Koppers Holdings Inc KOP KEELEY ASSET MANAGEMENT CORP 4.6% view
B 2011-02-14 12:06:13.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 11.61% view
B 2011-02-14 11:21:15.0 Koppers Holdings Inc KOP LORD ABBETT RESEARCH FUND INC 6.61% view
S 2011-02-09 17:19:14.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 4.45% view
B 2011-02-09 15:36:58.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 13.2% view
S 2011-02-07 17:06:33.0 Koppers Holdings Inc KOP KEELEY ASSET MANAGEMENT CORP 7.0% view
B 2011-02-07 09:02:39.0 Koppers Holdings Inc KOP BlackRock Inc 5.28% view
B 2011-01-10 09:42:56.0 Koppers Holdings Inc KOP LORD ABBETT & CO LLC 10.96% view
B 2010-06-10 14:23:48.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 10.34% view
S 2010-04-09 11:13:31.0 Koppers Holdings Inc KOP BlackRock Inc 4.81% view
S 2010-02-16 11:37:04.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 7.92% view
B 2010-02-12 16:40:52.0 Koppers Holdings Inc KOP KEELEY ASSET MANAGEMENT CORP 7.3% view
S 2010-02-12 16:07:48.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 11.3% view
B 2010-02-09 08:51:44.0 Koppers Holdings Inc KOP VANGUARD GROUP INC 5.05% view
B 2010-01-29 16:16:26.0 Koppers Holdings Inc KOP BlackRock Inc 5.37% view
B 2009-04-09 10:15:39.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 10.49% view
B 2009-02-12 17:23:36.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 11.4% view
B 2009-01-12 06:54:28.0 Koppers Holdings Inc KOP SOUTHERNSUN ASSET MANAGEMENT 7.93% view
B 2009-01-09 15:56:47.0 Koppers Holdings Inc KOP LORD ABBETT & CO LLC 10.5% view
B 2008-09-10 14:33:04.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 10.0% view
S 2008-04-28 17:04:39.0 Koppers Holdings Inc KOP GENDELL JEFFREY L ET AL 2.37% view
B 2008-02-14 11:33:36.0 Koppers Holdings Inc KOP KEELEY ASSET MANAGEMENT CORP 6.9% view
S 2008-02-14 11:33:13.0 Koppers Holdings Inc KOP Saratoga Partners III 5.01% view
S 2008-02-13 18:04:18.0 Koppers Holdings Inc KOP LORD ABBETT & CO LLC 2.26% view
S 2008-02-13 16:24:27.0 Koppers Holdings Inc KOP CAXTON ASSOCIATES LLC 0.1% view
B 2008-02-13 12:38:28.0 Koppers Holdings Inc KOP PRICE T ROWE ASSOCIATES INC 6.3% view
S 2008-01-25 16:50:38.0 Koppers Holdings Inc KOP GENDELL JEFFREY L ET AL 6.34% view
B 2007-04-10 12:07:24.0 Koppers Holdings Inc KOP LORD ABBETT & CO LLC 5.62% view
S 2007-03-13 11:52:08.0 Koppers Holdings Inc KOP Saratoga Partners III 10.1% view
S 2007-02-14 14:56:21.0 Koppers Holdings Inc KOP CAXTON ASSOCIATES LLC 8.4% view
B 2007-01-17 16:49:48.0 Koppers Holdings Inc KOP GENDELL JEFFREY L ET AL 7.95% view
B 2006-07-31 00:00:00.0 Koppers Holdings Inc KOP CAXTON ASSOCIATES LLC 9.0% view
B 2006-02-23 00:00:00.0 Koppers Holdings Inc KOP CAXTON ASSOCIATES LLC 5.4% view
B 2006-02-15 00:00:00.0 Koppers Holdings Inc KOP Saratoga Partners III 24.8% view
B 2006-02-13 00:00:00.0 Koppers Holdings Inc KOP GENDELL JEFFREY L ET AL 6.24% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.