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CIK 0001421517 · Large accelerated filer

Energy Recovery, Inc.

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Ticker
ERII
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
010616867
Phone
(510) 483-7370
Business address
1717 DOOLITTLE DRIVE, SAN LEANDRO, CA, 94577
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2023-11-08 Mao Robert Yu Lang Director Option exercise · Employee Stock Option (Right to Buy) −38,540 7,292
2023-11-08 Mao Robert Yu Lang Director Option exercise · Employee Stock Option (Right to Buy) −6,306 63,845
2023-11-07 Mao Robert Yu Lang Director Option exercise +34,340 $7.79 $268K 100,436
2023-11-07 Mao Robert Yu Lang Director Option exercise +4,168 $7.79 $32K 104,604
2023-11-07 Mao Robert Yu Lang Director Option exercise +121,383 $13.96 $1.7M 225,987
2023-11-07 Mao Robert Yu Lang Director Sale −121,383 $18.02 $2.2M 104,604
2023-11-07 Mao Robert Yu Lang Director Option exercise · Employee Stock Option (Right to Buy) −34,340 59,273
2023-11-07 Mao Robert Yu Lang Director Option exercise · Employee Stock Option (Right to Buy) −4,168 45,832
2023-11-07 Mao Robert Yu Lang Director Option exercise · Employee Stock Option (Right to Buy) −121,383 70,151
2023-11-07 TONDREAU PAMELA L. Director Purchase +8,350 $17.91 $150K 23,119
2023-11-06 Sabol Colin R Director Purchase +1,000 $17.75 $18K 1,000
2023-11-06 Mao Robert Yu Lang Director Option exercise +130,000 $7.79 $1.0M 196,096
2023-11-06 Mao Robert Yu Lang Director Sale −130,000 $17.76 $2.3M 66,096
2023-11-06 Mao Robert Yu Lang Director Option exercise · Employee Stock Option (Right to Buy) −130,000 93,613
2023-11-06 Sabol Colin R Director Purchase +1,000 $17.75 $18K 4,232
2023-10-26 TONDREAU PAMELA L. Director Grant or award +1,447 14,769
2023-10-26 Mao Robert Yu Lang President and CEO Grant or award +4,153 66,096
2023-10-24 Moon David W Director Grant or award +15,233 18,465
2023-10-24 Clemente Rodney SVP, Water Grant or award +21,762 77,663
2023-10-24 Ghasripoor Farshad Chief Technology Officer Grant or award +21,762 103,574

Page 11 of 49 · 973 trades