05/17/2024 2:35 PM | Dowd Joseph P (Reporting) Koppers (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/06/2024 3:49 PM | Feng Xudong (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/06/2024 3:52 PM | JENSEN TRACI L (Reporting) Koppers (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/06/2024 3:54 PM | Koppers (Issuer) MOTLEY DAVID L (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/06/2024 3:56 PM | Koppers (Issuer) NEUPAVER ALBERT J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/03/2024 7:26 AM | Koppers (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/02/2024 3:15 PM | Koppers (Filer)
| Form 8-K/A | |
|
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 | |
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 | |
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According to 30-year Silicon Valley and Wall Street veteran, Eric Fry…
This mind-blowing new technology could be bigger than the iPhone.![](https://www.marketbeat.com/scripts/TriggeredCampaignPixel.ashx?TriggeredCampaignID=7906&Placement=NativeDisplay&Source=NativeDisplay) Click here for the full story… |
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 | |
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 | |
Breaking News: Elon Musk Invents New Type of A.I. (Shocking) (Ad) Could Elon's New Device be Bigger than the iPhone?
According to 30-year Silicon Valley and Wall Street veteran, Eric Fry…
This mind-blowing new technology could be bigger than the iPhone.![](https://www.marketbeat.com/scripts/TriggeredCampaignPixel.ashx?TriggeredCampaignID=7906&Placement=NativeDisplay&Source=NativeDisplay) Click here for the full story… |
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) | |
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 | |