ECOVYST INC

Ticker: ECVT CUSIP: 27923Q109 Class: EQTY

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 25,322 Value ($000) $0 Avg Close $7.02 Range $5.24 - $8.64

Q1 2025

Shares 18,732 Value ($000) $0 Avg Close $7.40 Range $6.08 - $8.53

Q2 2023

Shares 200 Value ($000) $0 Avg Close $10.88 Range $9.85 - $11.75

Q3 2022

Shares 2,640 Value ($000) $22 Avg Close $9.51 Range $8.24 - $10.98

Q2 2022

Shares 9,210 Value ($000) $90 Avg Close $10.39 Range $9.13 - $11.91

Q1 2022

Shares 16,320 Value ($000) $188 Avg Close $10.49 Range $9.29 - $12.05

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	25,322	$0	$7.02	$5.24 - $8.64
Q1 2025	18,732	$0	$7.40	$6.08 - $8.53
Q2 2023	200	$0	$10.88	$9.85 - $11.75
Q3 2022	2,640	$22	$9.51	$8.24 - $10.98
Q2 2022	9,210	$90	$10.39	$9.13 - $11.91
Q1 2022	16,320	$188	$10.49	$9.29 - $12.05