| Date Filed | Type | Description |
| 07/05/2023 |
4
| Koscinski Joseph S. (See Remarks) has filed a Form 4 on Ecovyst Inc.|
Txns:
| Paid exercise price by delivering 52,830 shares
@ $11.37, valued at
$600.7k
|
|
| 03/09/2023 |
4
| Koscinski Joseph S. (See Remarks) has filed a Form 4 on Ecovyst Inc.|
Txns:
| Granted 12,306 shares
@ $0 |
|
| 01/18/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 11/18/2022 |
4
| Koscinski Joseph S. (See Remarks) has filed a Form 4 on Ecovyst Inc.|
Txns:
| Exercised 4,965 options to buy
@ $1.88, valued at
$9.3k
Exercised 9,931 options to buy
@ $1.88, valued at
$18.7k
|
|
| 08/08/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/16/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 03/03/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/19/2022 |
4
| Koscinski Joseph S. (See Remarks) has filed a Form 4 on Ecovyst Inc.|
Txns:
| Granted 72,887 shares
@ $0
Granted 121,477 shares
@ $0 |
|
| 01/20/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/22/2020 |
4
| Koscinski Joseph S. (See Remarks) has filed a Form 4 on PQ Group Holdings Inc.|
Txns:
| Granted 22,516 shares
@ $0 |
|
| 01/07/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 11/04/2019 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 10/04/2019 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 03/13/2019 |
4
| Koscinski Joseph S. (See Remarks) has filed a Form 4 on PQ Group Holdings Inc.|
Txns:
| Granted 24,335 shares
@ $0 |
|
| 10/04/2018 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/03/2018 |
4
| Koscinski Joseph S. (See Remarks) has filed a Form 4 on PQ Group Holdings Inc.|
Txns:
| Paid exercise price by delivering 3,356 shares
@ $17.94, valued at
$60.2k
|
|
| 09/29/2017 |
3
| Form 3 - Initial statement of beneficial ownership of securities: |