ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

ADVISORY RESEARCH INC's Holding History (CIK: 0000902584)

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

Q4 2022

Shares 33,855 Value ($000) $694 Avg Close $21.88 Range $17.32 - $26.34

Q3 2022

Shares 124,501 Value ($000) $2,707 Avg Close $22.52 Range $18.74 - $26.20

Q2 2022

Shares 54,968 Value ($000) $1,067 Avg Close $19.40 Range $16.92 - $21.97

Q2 2021

Shares 11,794 Value ($000) $269 Avg Close $19.71 Range $16.40 - $22.81

Q4 2017

Shares 123,355 Value ($000) $1,079 Avg Close $9.12 Range $7.48 - $11.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	33,855	$694	$21.88	$17.32 - $26.34
Q3 2022	124,501	$2,707	$22.52	$18.74 - $26.20
Q2 2022	54,968	$1,067	$19.40	$16.92 - $21.97
Q2 2021	11,794	$269	$19.71	$16.40 - $22.81
Q4 2017	123,355	$1,079	$9.12	$7.48 - $11.30