ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q4 2025

Shares 14,491 Value ($000) $195 Avg Close $15.16 Range $13.27 - $18.32

Q4 2024

Shares 18,691 Value ($000) $275 Avg Close $17.11 Range $14.47 - $20.27

Q2 2023

Shares 8,795 Value ($000) $246 Avg Close $24.94 Range $21.78 - $29.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,491	$195	$15.16	$13.27 - $18.32
Q4 2024	18,691	$275	$17.11	$14.47 - $20.27
Q2 2023	8,795	$246	$24.94	$21.78 - $29.71