3/27
04:35 pm
kop
Form ARS Koppers Holdings Inc. For: Dec 31
Low
Report
Form ARS Koppers Holdings Inc. For: Dec 31
3/27
04:31 pm
kop
Form DEF 14A Koppers Holdings Inc. For: May 07
Low
Report
Form DEF 14A Koppers Holdings Inc. For: May 07
3/27
10:17 am
kop
Form SCHEDULE 13G/A Koppers Holdings Inc. Filed by: VANGUARD GROUP INC
Low
Report
Form SCHEDULE 13G/A Koppers Holdings Inc. Filed by: VANGUARD GROUP INC
3/25
04:20 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: WILKERSON SONJA MICHELLE
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: WILKERSON SONJA MICHELLE
3/25
04:19 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Vartanian Nishan J.
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Vartanian Nishan J.
3/25
04:17 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Posadas Laura J
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Posadas Laura J
3/25
04:14 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: MOTLEY DAVID L
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: MOTLEY DAVID L
3/25
04:11 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: JENSEN TRACI L
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: JENSEN TRACI L
3/25
04:09 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Feng Xudong
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Feng Xudong
3/25
04:05 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: NEUPAVER ALBERT J
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: NEUPAVER ALBERT J
3/25
04:02 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Sandifer Andrew D
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 23 Filed by: Sandifer Andrew D
3/18
04:46 pm
kop
Form 8-K/A Koppers Holdings Inc. For: Jan 05
Low
Report
Form 8-K/A Koppers Holdings Inc. For: Jan 05
3/18
04:28 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 17 Filed by: BALL M LEROY
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 17 Filed by: BALL M LEROY
3/4
04:23 pm
kop
Form 4 Koppers Holdings Inc. For: Mar 02 Filed by: BALL M LEROY
Low
Report
Form 4 Koppers Holdings Inc. For: Mar 02 Filed by: BALL M LEROY
3/3
04:44 pm
kop
Form 4/A Koppers Holdings Inc. For: Feb 26 Filed by: Lucas Stephen G
Medium
Report
Form 4/A Koppers Holdings Inc. For: Feb 26 Filed by: Lucas Stephen G
3/2
04:15 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: BALL M LEROY
Low
Report
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: BALL M LEROY
3/2
04:13 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Apostolou Stephanie L
Low
Report
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Apostolou Stephanie L
3/2
04:12 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Sullivan James A.
Low
Report
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Sullivan James A.
3/2
04:10 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Lucas Stephen G
Low
Report
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Lucas Stephen G
3/2
04:08 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Lovalekar Tushar
Low
Report
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Lovalekar Tushar
3/2
04:05 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Pearce Bradley A
Low
Report
Form 4 Koppers Holdings Inc. For: Feb 26 Filed by: Pearce Bradley A
3/2
01:11 pm
kop
Form 144 Koppers Holdings Inc. Filed by: BALL M LEROY
Low
Report
Form 144 Koppers Holdings Inc. Filed by: BALL M LEROY
2/26
12:18 pm
kop
Form 10-K Koppers Holdings Inc. For: Dec 31
Medium
Report
Form 10-K Koppers Holdings Inc. For: Dec 31
2/26
08:59 am
kop
Form 8-K Koppers Holdings Inc. For: Feb 26
Medium
Report
Form 8-K Koppers Holdings Inc. For: Feb 26
2/19
04:19 pm
kop
Form 4 Koppers Holdings Inc. For: Feb 18 Filed by: BALL M LEROY
Low
Report
Form 4 Koppers Holdings Inc. For: Feb 18 Filed by: BALL M LEROY