ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

FNY Investment Advisers, LLC's Holding History (CIK: 0001742998)

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

Q2 2025

Shares 6,316 Value ($000) $0 Avg Close $13.55 Range $10.86 - $16.05

Q3 2024

Shares 100 Value ($000) $0 Avg Close $15.78 Range $12.46 - $18.36

Q1 2024

Shares 4,487 Value ($000) $0 Avg Close $15.91 Range $13.95 - $19.19

Q3 2022

Shares 2,100 Value ($000) $45 Avg Close $22.52 Range $18.74 - $26.20

Q2 2020

Shares 50,007 Value ($000) $379 Avg Close $7.92 Range $6.66 - $9.31

Q4 2019

Shares 10,500 Value ($000) $102 Avg Close $9.21 Range $8.32 - $10.24

Q3 2019

Shares 500 Value ($000) $4 Avg Close $10.08 Range $8.61 - $12.04

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	6,316	$0	$13.55	$10.86 - $16.05
Q3 2024	100	$0	$15.78	$12.46 - $18.36
Q1 2024	4,487	$0	$15.91	$13.95 - $19.19
Q3 2022	2,100	$45	$22.52	$18.74 - $26.20
Q2 2020	50,007	$379	$7.92	$6.66 - $9.31
Q4 2019	10,500	$102	$9.21	$8.32 - $10.24
Q3 2019	500	$4	$10.08	$8.61 - $12.04