ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

ALGERT GLOBAL LLC's Holding History (CIK: 0001275218)

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

Q1 2025
Shares 47,050 Value ($000) $1 Avg Close $15.21 Range $13.80 - $16.86
Q1 2024
Shares 105,935 Value ($000) $2 Avg Close $15.91 Range $13.95 - $19.19
Q4 2023
Shares 73,260 Value ($000) $1 Avg Close $18.57 Range $14.04 - $21.32
Q1 2023
Shares 25,530 Value ($000) $1 Avg Close $21.96 Range $19.68 - $24.18
Q2 2022
Shares 21,474 Value ($000) $417 Avg Close $19.40 Range $16.92 - $21.97
Q1 2021
Shares 19,060 Value ($000) $350 Avg Close $16.01 Range $13.45 - $20.25
Q4 2020
Shares 32,650 Value ($000) $445 Avg Close $10.67 Range $8.12 - $13.98
Q3 2020
Shares 32,650 Value ($000) $268 Avg Close $8.02 Range $6.69 - $9.18
Q2 2020
Shares 14,140 Value ($000) $107 Avg Close $7.92 Range $6.66 - $9.31