4/14
04:27 pm
kop
Form 4 Koppers Holdings Inc. For: Apr 11 Filed by: Lucas Stephen G
Low
Report
Form 4 Koppers Holdings Inc. For: Apr 11 Filed by: Lucas Stephen G
4/11
05:44 pm
kop
Form DEFA14A Koppers Holdings Inc.
Low
Report
Form DEFA14A Koppers Holdings Inc.
3/28
04:35 pm
kop
Form ARS Koppers Holdings Inc. For: Dec 31
Low
Report
Form ARS Koppers Holdings Inc. For: Dec 31
3/28
04:31 pm
kop
Form DEF 14A Koppers Holdings Inc. For: May 08
Low
Report
Form DEF 14A Koppers Holdings Inc. For: May 08
3/26
05:08 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Vartanian Nishan J.
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Vartanian Nishan J.
3/26
05:03 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Washington Kevin
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Washington Kevin
3/26
04:59 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Lucas Stephen G
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Lucas Stephen G
3/26
04:54 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Feng Xudong
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Feng Xudong
3/26
04:49 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: JENSEN TRACI L
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: JENSEN TRACI L
3/26
04:43 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: MOTLEY DAVID L
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: MOTLEY DAVID L
3/26
04:40 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: NEUPAVER ALBERT J
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: NEUPAVER ALBERT J
3/26
04:36 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Sandifer Andrew D
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Sandifer Andrew D
3/26
04:32 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: TESTONI LOUIS L
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: TESTONI LOUIS L
3/26
04:22 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Tritch Stephen R
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: Tritch Stephen R
3/26
04:18 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: WILKERSON SONJA MICHELLE
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 24 Filed by: WILKERSON SONJA MICHELLE
3/20
04:13 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 19 Filed by: BALL M LEROY
Medium
Report
Form 4 Koppers Holdings Inc. For: Mar 19 Filed by: BALL M LEROY
3/19
04:14 pm
kop
Form 144 Koppers Holdings Inc. Filed by: BALL M LEROY
Low
Report
Form 144 Koppers Holdings Inc. Filed by: BALL M LEROY
3/11
06:40 pm
kop
Form 4/A Koppers Holdings Inc. For: May 04 Filed by: WILKERSON SONJA MICHELLE
Low
Report
Form 4/A Koppers Holdings Inc. For: May 04 Filed by: WILKERSON SONJA MICHELLE
2/27
11:53 am
kop
Form 10-K Koppers Holdings Inc. For: Dec 31
Low
Report
Form 10-K Koppers Holdings Inc. For: Dec 31
2/27
08:33 am
kop
Form 8-K Koppers Holdings Inc. For: Feb 27
Medium
Report
Form 8-K Koppers Holdings Inc. For: Feb 27
2/24
04:52 pm
kop
Form 3 Koppers Holdings Inc. For: Feb 12 Filed by: Lovalekar Tushar
Medium
Report
Form 3 Koppers Holdings Inc. For: Feb 12 Filed by: Lovalekar Tushar
2/24
04:45 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 20 Filed by: BALL M LEROY
Medium
Report
Form 4 Koppers Holdings Inc. For: Feb 20 Filed by: BALL M LEROY
2/5
05:29 pm
kop
Form SCHEDULE 13G/A Koppers Holdings Inc. Filed by: BlackRock, Inc.
Low
Report
Form SCHEDULE 13G/A Koppers Holdings Inc. Filed by: BlackRock, Inc.