Feehan Michael [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
08/23/2023	Ecovyst Inc.	ECVT	Purchase	Common Stock	5k	$9.67	$48.4k	08/23/2023
07/01/2023	Ecovyst Inc.	ECVT	Payment of Exercise	Common Stock	75.1k	$11.37	$853.4k	07/01/2023
03/08/2023	Ecovyst Inc.	ECVT	Grant	Common Stock	2.9k	$0.00	$0	03/07/2023
03/07/2023	Ecovyst Inc.	ECVT	Disposition	Common Stock	13.6k	$0.00	$0	03/07/2023
01/05/2023	Ecovyst Inc.	ECVT	Payment of Exercise	Common Stock	8.2k	$9.04	$73.9k	01/05/2023
11/16/2022	Ecovyst Inc.	ECVT	Exercise	Stock Option (right to buy)	6.6k	$3.98	$26.3k	11/16/2022
08/04/2022	Ecovyst Inc.	ECVT	Purchase	Common Stock	11.4k	$8.77	$100.2k	08/04/2022
05/19/2022	Ecovyst Inc.	ECVT	Purchase	Common Stock	5k	$9.96	$49.8k	05/19/2022
03/01/2022	Ecovyst Inc.	ECVT	Grant	Common Stock	8.1k	$0.00	$0	03/01/2022
01/17/2022	Ecovyst Inc.	ECVT	Grant	Common Stock	72.9k	$0.00	$0	01/17/2022
01/17/2022	Ecovyst Inc.	ECVT	Grant	Common Stock	145.8k	$0.00	$0	01/17/2022
01/05/2022	Ecovyst Inc.	ECVT	Payment of Exercise	Common Stock	901	$10.27	$9.3k	01/05/2022