ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

ISTHMUS PARTNERS, LLC's Holding History (CIK: 0001639666)

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

Q4 2025

Shares 111,054 Value ($000) $1,498 Avg Close $15.16 Range $13.27 - $18.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	111,054	$1,498	$15.16	$13.27 - $18.32