Donald L. Althoff

Insider Reports History

Location: Malvern, PA
Signature: /s/ Joseph S. Koscinski, as attorney-in-fact for Donald L. Althoff
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Donald L. Althoff:

Company	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
Ecovyst Inc.	Director	Common Stock	38,977	$310,257	$7.96	03 Feb 2025	Direct

Insider Reports Filed by Donald L. Althoff

Symbol	Company	Period	Transactions	Value $	Form Type	Role	Filing Time
ECVT	Ecovyst Inc.	03 Feb 2025	1	$0	4	Director	05 Feb 2025, 16:09
ECVT	Ecovyst Inc.	20 May 2024	1	$0	4	Director	22 May 2024, 16:07
ECVT	Ecovyst Inc.	08 May 2024	0	$0	3	Director	17 May 2024, 16:49