| Date Filed | Type | Description |
| 10/12/2023 |
8-K
| Quarterly results |
| 08/09/2023 |
4
| Pearce Bradley A (Chief Accounting Officer) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Sold 2,998 shares
@ $38.45, valued at
$115.3k
|
|
| 08/07/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 08/03/2023 |
4
| Hyde Leslie S (SVP, Chief Sustainability Offi) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Sold 4,096 shares
@ $38.56, valued at
$157.9k
Exercised 4,096 options to buy
@ $37.93, valued at
$155.4k
|
|
| 08/03/2023 |
8-K
| Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits ... |
| 08/03/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 08/03/2023 |
8-K
| Quarterly results |
| 08/01/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 06/12/2023 |
4
| BALL M LEROY (President and CEO) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Gifted 756 shares
@ $0 |
|
| 06/08/2023 |
4
| Dowd Joseph P (Global VP, Zero Harm) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Sold 15,265 shares
@ $31.42, valued at
$479.6k
Exercised 4,104 options to buy
@ $17.57, valued at
$72.1k
Exercised 11,161 options to buy
@ $18.11, valued at
$202.1k
|
|
| 06/06/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 06/01/2023 |
4
| BALL M LEROY (President and CEO) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Gifted 800 shares
@ $0 |
|
| 05/08/2023 |
4
| WILKERSON SONJA MICHELLE (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 shares
@ $0 |
|
| 05/08/2023 |
4
| Tritch Stephen R (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 shares
@ $0
Exercised 37 options to buy
@ $0 |
|
| 05/08/2023 |
4
| TESTONI LOUIS L (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 shares
@ $0
Exercised 37 options to buy
@ $0 |
|
| 05/08/2023 |
4
| Sandifer Andrew D (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 shares
@ $0 |
|
| 05/08/2023 |
4
| NEUPAVER ALBERT J (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 shares
@ $0
Exercised 37 options to buy
@ $0 |
|
| 05/08/2023 |
4
| MOTLEY DAVID L (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 restricted stock units
@ $0 |
|
| 05/08/2023 |
4
| JENSEN TRACI L (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 shares
@ $0
Exercised 37 options to buy
@ $0 |
|
| 05/08/2023 |
4
| Feng Xudong (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 3,513 restricted stock units
@ $0 |
|
| 05/05/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 05/05/2023 |
8-K
| Quarterly results |
| 05/04/2023 |
8-K/A
| Quarterly results |
| 05/01/2023 |
4
| MOTLEY DAVID L (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 37 options to buy
@ $0 |
|
| 05/01/2023 |
4
| Tritch Stephen R (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 37 options to buy
@ $0 |
|
| 05/01/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/01/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/01/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/01/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/01/2023 |
4
| WILKERSON SONJA MICHELLE (Director) has filed a Form 4 on Koppers Holdings Inc.|
Txns:
| Granted 37 options to buy
@ $0 |
|
| 04/03/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
| 04/03/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 03/29/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 03/29/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
|