ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

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

Q3 2025

Shares 14,384 Value ($000) $222 Avg Close $14.10 Range $12.54 - $15.47

Q4 2024

Shares 20,728 Value ($000) $305 Avg Close $17.11 Range $14.47 - $20.27

Q1 2024

Shares 19,686 Value ($000) $311 Avg Close $15.91 Range $13.95 - $19.19

Q3 2018

Shares 18,634 Value ($000) $167 Avg Close $8.85 Range $7.68 - $10.25

Q4 2017

Shares 44,900 Value ($000) $393 Avg Close $9.12 Range $7.48 - $11.30

Q3 2016

Shares 11,600 Value ($000) $185 Avg Close $12.16 Range $8.35 - $16.67

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	14,384	$222	$14.10	$12.54 - $15.47
Q4 2024	20,728	$305	$17.11	$14.47 - $20.27
Q1 2024	19,686	$311	$15.91	$13.95 - $19.19
Q3 2018	18,634	$167	$8.85	$7.68 - $10.25
Q4 2017	44,900	$393	$9.12	$7.48 - $11.30
Q3 2016	11,600	$185	$12.16	$8.35 - $16.67