06/18/2025
7:01 AM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/16/2025
3:21 PM | Koppers (Issuer)
Washington Kevin (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/29/2025
7:00 AM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/09/2025
3:16 PM | Koppers (Issuer)
NEUPAVER ALBERT J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/09/2025
3:19 PM | Koppers (Issuer)
Vartanian Nishan J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/09/2025
3:21 PM | Koppers (Issuer)
MOTLEY DAVID L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/09/2025
11:21 AM | Koppers (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/09/2025
7:19 AM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/09/2025
6:01 AM | Koppers (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
05/06/2025
4:43 PM | Koppers (Issuer)
TESTONI LOUIS L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/06/2025
4:48 PM | Koppers (Issuer)
Tritch Stephen R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
Get the Latest News and Ratings for KOP and Related Stocks Enter your email address below to receive the latest news and analysts' ratings for Koppers and its competitors with MarketBeat's FREE daily newsletter. |
05/06/2025
3:44 PM | Koppers (Issuer)
NEUPAVER ALBERT J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/06/2025
3:47 PM | JENSEN TRACI L (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/06/2025
3:50 PM | Koppers (Issuer)
Vartanian Nishan J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/30/2025
10:23 AM | Koppers (Subject)
VANGUARD GROUP INC (Filed by)
| Form SCHEDULE 13G/A | |
04/28/2025
7:28 AM | Koppers (Subject)
PZENA INVESTMENT MANAGEMENT LLC (Filed by)
| Form SCHEDULE 13G | |
04/23/2025
7:57 PM | BlackRock, Inc. (Filed by)
Koppers (Subject)
| Form SCHEDULE 13G/A | |
03/28/2025
3:34 PM | Koppers (Filer)
| Form ARS | |
03/26/2025
4:03 PM | Koppers (Issuer)
Washington Kevin (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
4:07 PM | Koppers (Issuer)
Vartanian Nishan J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
3:36 PM | Koppers (Issuer)
Sandifer Andrew D (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
3:39 PM | Koppers (Issuer)
NEUPAVER ALBERT J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
3:42 PM | Koppers (Issuer)
MOTLEY DAVID L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
3:49 PM | JENSEN TRACI L (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
3:54 PM | Feng Xudong (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
3:21 PM | Koppers (Issuer)
Tritch Stephen R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/26/2025
3:32 PM | Koppers (Issuer)
TESTONI LOUIS L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/19/2025
3:14 PM | BALL M LEROY (Reporting)
Koppers (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
03/11/2025
5:39 PM | Koppers (Issuer)
WILKERSON SONJA MICHELLE (Reporting)
| Form 4/A | |
02/27/2025
10:53 AM | Koppers (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/27/2025
7:33 AM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/24/2025
3:44 PM | BALL M LEROY (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/24/2025
3:51 PM | Koppers (Issuer)
Lovalekar Tushar (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
01/07/2025
3:03 PM | Apostolou Stephanie L (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
2:57 PM | Koppers (Issuer)
Skrovanek Daniel J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
2:58 PM | Koppers (Issuer)
Pearce Bradley A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
3:00 PM | Koppers (Issuer)
Lucas Stephen G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
2:51 PM | Koppers (Issuer)
Washington Kevin (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
2:52 PM | Koppers (Issuer)
Sullivan James A. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/07/2025
2:54 PM | Koppers (Issuer)
Smith Jimmi Sue (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2024
3:36 PM | Koppers (Issuer)
Skrovanek Daniel J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
Trump’s Exec Order #14154 could be a “Millionaire-Maker” (Ad) Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.”
We recently sat down with Rickards to capture all the key details on tape.
 For the moment, you can watch this interview free of charge – just click here. |
12/18/2024
3:41 PM | Koppers (Issuer)
Smith Jimmi Sue (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2024
3:44 PM | Koppers (Issuer)
Sullivan James A. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2024
3:47 PM | Koppers (Issuer)
Washington Kevin (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2024
3:22 PM | Koppers (Issuer)
Pearce Bradley A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2024
3:27 PM | Apostolou Stephanie L (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2024
3:30 PM | BALL M LEROY (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2024
3:33 PM | Koppers (Issuer)
Lucas Stephen G (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/17/2024
4:22 PM | Koppers (Issuer)
WILKERSON SONJA MICHELLE (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/17/2024
4:25 PM | Koppers (Issuer)
MOTLEY DAVID L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/17/2024
4:27 PM | Feng Xudong (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/17/2024
3:31 PM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/09/2024
6:58 AM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/05/2024
3:45 PM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/22/2024
10:22 AM | Koppers (Subject)
Tritch Stephen R (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/20/2024
3:17 PM | BALL M LEROY (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/20/2024
3:23 PM | Koppers (Issuer)
Tritch Stephen R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/15/2024
3:19 PM | BALL M LEROY (Reporting)
Koppers (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/14/2024
3:57 PM | BALL M LEROY (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/14/2024
9:31 AM | BALL M LEROY (Reporting)
Koppers (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/13/2024
3:32 PM | BALL M LEROY (Reporting)
Koppers (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/12/2024
11:45 AM | Koppers (Subject)
Pearce Bradley A (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/08/2024
10:59 AM | Koppers (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
11/08/2024
7:24 AM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/18/2024
2:31 PM | BlackRock, Inc. (Filed by)
Koppers (Subject)
| Form SC 13G/A | |
10/07/2024
4:38 PM | FULLER & THALER ASSET MANAGEMENT, INC. (Filed by)
Koppers (Subject)
| Form SC 13G/A | |
09/18/2024
4:19 PM | Koppers (Issuer)
MOTLEY DAVID L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/18/2024
4:13 PM | Koppers (Issuer)
WILKERSON SONJA MICHELLE (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/18/2024
4:16 PM | Feng Xudong (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/30/2024
3:01 PM | BALL M LEROY (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/29/2024
2:12 PM | BALL M LEROY (Reporting)
Koppers (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/27/2024
3:06 PM | BALL M LEROY (Reporting)
Koppers (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/20/2024
4:02 PM | Dowd Joseph P (Reporting)
Koppers (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/19/2024
11:40 AM | Dowd Joseph P (Reporting)
Koppers (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/08/2024
11:16 AM | Koppers (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/08/2024
7:24 AM | Koppers (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
