ERII insider trading

NasdaqGS Industrials

Energy Recovery, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
749
Last 90 days
14
Buys / sells
3% / 35%
Market cap
$849.60M

About Energy Recovery, Inc.

Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells energy efficiency technology solutions in the United States, North, South and Latin America, the Middle East, Northern Africa, Asia, and Europe. It operates through Water and Emerging Technologies segments. The company offers high and low pressure, and ultra high-pressure exchangers; AT and LPT hydraulic turbochargers; and high-pressure feed and circulation pumps for use in water treatment industries, including seawater and brackish desalination, and wastewater treatment. It also provides PX G1300, which reduces energy consumption and operating costs of carbon dioxide-based refrigeration systems; and spare parts, as well as repair, field, and commissioning services. The company sells its products under the ERI, PX, PX Pressure Exchanger, Pressure Exchanger, Ultra High-Pressure PX, PX PowerTrain, PX G1300, PX G, AT, and Aquabold brands to supermarket chains, cold storage facilities, refrigeration system installers or OEMs, and other industrial users; and aftermarket customers consisting of desalination plant owners and operators. Energy Recovery, Inc. was incorporated in 1992 and is headquartered in San Leandro, California.

Company website: www.energyrecovery.com

ERII insider activity at a glance

FilingIQ has scored 749 insider transactions for ERII since Mar 12, 2015. The most recent filing in our index is dated Apr 6, 2026.

Across the full history, 20 open-market purchases and 265 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on ERII insider trades is 58.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Latest ERII Form 4 filings

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for ERII?
FilingIQ tracks 749 Form 4 insider transactions for ERII (Energy Recovery, Inc.), covering filings from Mar 12, 2015 onwards. 14 of those were filed in the last 90 days.
Are ERII insiders net buyers or net sellers?
Across the full Form 4 history for ERII, 20 transactions (3%) were open-market purchases and 265 (35%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does ERII insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is ERII in?
Energy Recovery, Inc. (ERII) is classified in the Industrials sector, specifically Pollution & Treatment Controls, with a current market capitalisation of $849.60M.

Methodology & sources

Every ERII insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.