04/15/2024 3:19 PM | Koppers (Issuer) Lucas Stephen G (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/15/2024 7:06 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
03/27/2024 3:46 PM | Koppers (Issuer) NEUPAVER ALBERT J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/27/2024 3:49 PM | JENSEN TRACI L (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/27/2024 3:52 PM | Koppers (Issuer) Lucas Stephen G (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/27/2024 3:37 PM | Koppers (Issuer) Tritch Stephen R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/27/2024 3:40 PM | Koppers (Issuer) TESTONI LOUIS L (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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03/27/2024 3:43 PM | Koppers (Issuer) Sandifer Andrew D (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/27/2024 3:31 PM | Feng Xudong (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/27/2024 3:34 PM | Koppers (Issuer) Koppers (Issuer) MOTLEY DAVID L (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/21/2024 3:21 PM | Hyde Leslie S (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/08/2024 3:31 PM | Koppers (Filer)
| Form PRE 14A | |
03/07/2024 3:46 PM | Koppers (Issuer) Washington Kevin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/07/2024 3:36 PM | BALL M LEROY (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/07/2024 3:40 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/07/2024 3:43 PM | Dowd Joseph P (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/06/2024 4:55 PM | Dowd Joseph P (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/06/2024 4:59 PM | BALL M LEROY (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/06/2024 5:04 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/06/2024 3:36 PM | Koppers (Subject) Washington Kevin (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/06/2024 1:05 PM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/06/2024 1:17 PM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144/A | |
03/06/2024 11:14 AM | BALL M LEROY (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/05/2024 4:07 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 3:53 PM | Koppers (Issuer) Pearce Bradley A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/04/2024 8:37 PM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/04/2024 4:50 PM | BALL M LEROY (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/01/2024 5:39 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/01/2024 3:34 PM | Hyde Leslie S (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/01/2024 3:20 PM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
02/28/2024 11:09 AM | Koppers (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
02/28/2024 7:17 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/15/2024 3:33 PM | Koppers (Issuer) Vartanian Nishan J. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2024 6:50 PM | FULLER & THALER ASSET MANAGEMENT, INC. (Filed by) Koppers (Subject)
| Form SC 13G/A | |
02/12/2024 5:06 AM | Koppers (Subject) Rubric Capital Management LP (Filed by)
| Form SC 13G/A | |
01/08/2024 6:42 PM | Hyde Leslie S (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:43 PM | Koppers (Issuer) Lucas Stephen G (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:43 PM | Koppers (Issuer) Pearce Bradley A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:43 PM | Koppers (Issuer) Skrovanek Daniel J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:44 PM | Koppers (Issuer) Smith Jimmi Sue (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:45 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
Trump’s last act as President (Ad) You’ve probably never heard of Executive Order #13972.
Signed by President Trump just days before leaving office, it greenlit what could be the most revolutionary technology of the decade… yet it has nothing to do with AI, blockchain, or mRNA vaccines. For the full story, click here. |
01/08/2024 6:46 PM | Koppers (Issuer) Washington Kevin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:39 PM | Apostolou Stephanie L (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:40 PM | BALL M LEROY (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/08/2024 6:41 PM | Dowd Joseph P (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/20/2023 3:41 PM | Koppers (Issuer) Pearce Bradley A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/20/2023 10:42 AM | Koppers (Subject) Pearce Bradley A (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/20/2023 10:33 AM | BALL M LEROY (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/14/2023 4:35 PM | Apostolou Stephanie L (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/14/2023 4:12 PM | Hyde Leslie S (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/14/2023 4:15 PM | Dowd Joseph P (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/14/2023 4:18 PM | BALL M LEROY (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/14/2023 3:49 PM | Koppers (Issuer) Koppers (Issuer) Washington Kevin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/14/2023 3:54 PM | Koppers (Issuer) Koppers (Issuer) Smith Jimmi Sue (Reporting) Smith Jimmi Sue (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/14/2023 3:37 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/14/2023 12:22 PM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/14/2023 9:05 AM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/13/2023 3:32 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/12/2023 3:29 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/12/2023 3:38 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/11/2023 3:33 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/08/2023 4:52 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/08/2023 3:51 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/07/2023 3:25 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/06/2023 3:15 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/06/2023 3:24 PM | Koppers (Issuer) Sullivan James A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/05/2023 3:20 PM | Koppers (Subject) Sullivan James A. (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/04/2023 3:20 PM | BALL M LEROY (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/01/2023 5:59 PM | Hyde Leslie S (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/01/2023 8:55 AM | BALL M LEROY (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/29/2023 3:38 PM | Hyde Leslie S (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/20/2023 3:11 PM | Dowd Joseph P (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/17/2023 10:23 AM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/14/2023 3:22 PM | BALL M LEROY (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/14/2023 10:18 AM | BALL M LEROY (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/03/2023 11:25 AM | Koppers (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
11/03/2023 7:21 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/12/2023 7:46 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
09/19/2023 3:33 PM | Hyde Leslie S (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/14/2023 7:32 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
09/13/2023 3:34 PM | Koppers (Issuer) MOTLEY DAVID L (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/13/2023 3:37 PM | Koppers (Issuer) WILKERSON SONJA MICHELLE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/13/2023 3:31 PM | Feng Xudong (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/06/2023 3:58 PM | Feng Xudong (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/05/2023 4:54 PM | Hyde Leslie S (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/01/2023 4:16 PM | Hyde Leslie S (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/31/2023 4:29 PM | BALL M LEROY (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/07/2023 9:25 AM | Koppers (Subject) Pearce Bradley A (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/03/2023 3:43 PM | Hyde Leslie S (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/03/2023 3:34 PM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
08/03/2023 11:07 AM | Koppers (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
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08/03/2023 7:27 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/14/2023 3:38 PM | Koppers (Issuer) MOTLEY DAVID L (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/14/2023 3:41 PM | Koppers (Issuer) Washington Kevin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/14/2023 3:44 PM | Koppers (Issuer) WILKERSON SONJA MICHELLE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/14/2023 3:35 PM | Feng Xudong (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/08/2023 3:30 PM | Dowd Joseph P (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/06/2023 1:59 PM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/05/2023 10:55 AM | Koppers (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
05/05/2023 7:40 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |