ECOVYST INC

Ticker: ECVT CUSIP: 27923Q109 Class: EQTY

Brevan Howard Capital Management LP's Holding History (CIK: 0001512857)

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

Q4 2025

Shares 53,786 Value ($000) $523 Avg Close $8.73 Range $7.41 - $10.01

Q3 2025

Shares 130,184 Value ($000) $1,140 Avg Close $8.81 Range $7.38 - $9.69

Q2 2025

Shares 23,249 Value ($000) $191 Avg Close $7.02 Range $5.24 - $8.64

Q4 2024

Shares 30,927 Value ($000) $236 Avg Close $7.39 Range $6.08 - $8.67

Q3 2024

Shares 97,329 Value ($000) $667 Avg Close $7.62 Range $6.02 - $9.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	53,786	$523	$8.73	$7.41 - $10.01
Q3 2025	130,184	$1,140	$8.81	$7.38 - $9.69
Q2 2025	23,249	$191	$7.02	$5.24 - $8.64
Q4 2024	30,927	$236	$7.39	$6.08 - $8.67
Q3 2024	97,329	$667	$7.62	$6.02 - $9.91