ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

Quarry LP's Holding History (CIK: 0001965207)

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

Q4 2025

Shares 297 Value ($000) $4 Avg Close $15.16 Range $13.27 - $18.32

Q2 2025

Shares 5,656 Value ($000) $72 Avg Close $13.55 Range $10.86 - $16.05

Q4 2024

Shares 1,073 Value ($000) $16 Avg Close $17.11 Range $14.47 - $20.27

Q2 2024

Shares 164 Value ($000) $2 Avg Close $13.78 Range $12.26 - $15.95

Q1 2024

Shares 2,220 Value ($000) $35 Avg Close $15.91 Range $13.95 - $19.19

Q4 2022

Shares 70 Value ($000) $1 Avg Close $21.88 Range $17.32 - $26.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	297	$4	$15.16	$13.27 - $18.32
Q2 2025	5,656	$72	$13.55	$10.86 - $16.05
Q4 2024	1,073	$16	$17.11	$14.47 - $20.27
Q2 2024	164	$2	$13.78	$12.26 - $15.95
Q1 2024	2,220	$35	$15.91	$13.95 - $19.19
Q4 2022	70	$1	$21.88	$17.32 - $26.34