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Energy Recovery, Inc. (ERII)

Energy Recovery, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Energy Recovery, Inc. (ERII) is a Industrial - Pollution & Treatment Controls company based in US with a market capitalization of $422.2M. Revenue declined 7.1% year-over-year and the company generated $17.4M in free cash flow. This page tracks ERII's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 254 employees · IPO Jul 2, 2008

Valuation

Valuation & price

$8.41 · as of May 17, 2026 · -53.6% vs 52w high

19.8

P/E ratio

Latest-FY diluted EPS

2.05

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$17.87$12.94$8.00Jul 25Dec 25Jul 26Jul 7, 25$12.88Jul 9, 25$13.27Jul 11, 25$13.16Jul 15, 25$13.00Jul 17, 25$13.65Jul 21, 25$13.55Jul 23, 25$13.85Jul 25, 25$13.88Jul 29, 25$13.67Jul 31, 25$13.45Aug 4, 25$13.33Aug 6, 25$13.62Aug 11, 25$13.89Aug 13, 25$14.62Aug 15, 25$14.18Aug 19, 25$14.42Aug 21, 25$14.19Aug 25, 25$14.49Aug 27, 25$14.57Aug 29, 25$14.21Sep 3, 25$14.10Sep 5, 25$14.42Sep 9, 25$14.38Sep 11, 25$14.53Sep 16, 25$14.62Sep 18, 25$15.14Sep 22, 25$14.95Sep 24, 25$15.28Sep 26, 25$15.32Sep 30, 25$15.42Oct 2, 25$15.87Oct 6, 25$15.79Oct 8, 25$15.44Oct 10, 25$15.27Oct 14, 25$15.74Oct 16, 25$16.77Oct 21, 25$17.16Oct 23, 25$17.87Oct 27, 25$17.59Oct 29, 25$17.17Oct 31, 25$17.11Nov 4, 25$16.41Nov 6, 25$14.49Nov 10, 25$14.06Nov 12, 25$14.26Nov 14, 25$14.55Nov 18, 25$14.43Nov 20, 25$13.28Nov 25, 25$14.25Nov 28, 25$14.45Dec 2, 25$14.43Dec 4, 25$14.68Dec 8, 25$14.50Dec 10, 25$14.41Dec 12, 25$14.47Dec 16, 25$14.44Dec 18, 25$14.43Dec 22, 25$13.98Dec 24, 25$13.84Dec 29, 25$13.80Jan 2, 26$13.72Jan 6, 26$14.42Jan 8, 26$14.44Jan 12, 26$14.28Jan 14, 26$14.22Jan 16, 26$14.30Jan 21, 26$14.42Jan 23, 26$14.30Jan 27, 26$14.48Jan 29, 26$14.78Feb 2, 26$14.95Feb 4, 26$14.98Feb 9, 26$15.81Feb 11, 26$15.44Feb 13, 26$15.60Feb 18, 26$15.75Feb 20, 26$16.24Feb 24, 26$16.07Feb 26, 26$10.43Mar 2, 26$10.26Mar 4, 26$10.72Mar 6, 26$10.61Mar 10, 26$10.87Mar 12, 26$10.24Mar 17, 26$10.19Mar 19, 26$9.73Mar 23, 26$10.12Mar 25, 26$10.14Mar 27, 26$9.87Mar 31, 26$10.07Apr 2, 26$10.20Apr 7, 26$10.33Apr 9, 26$11.06Apr 13, 26$11.41Apr 15, 26$10.62Apr 17, 26$10.58Apr 22, 26$10.81Apr 24, 26$11.28Apr 28, 26$11.09Apr 30, 26$11.07May 4, 26$11.00May 6, 26$11.61May 8, 26$9.13May 12, 26$8.73May 14, 26$8.62May 18, 26$9.06May 20, 26$8.65May 22, 26$8.85May 28, 26$8.63Jun 1, 26$8.00Jun 3, 26$8.04Jun 5, 26$8.01Jun 9, 26$8.12Jun 11, 26$8.19Jun 15, 26$8.76Jun 17, 26$8.99Jun 22, 26$8.90Jun 24, 26$8.77Jun 26, 26$8.82Jul 2, 26$8.84
$7.9252-week range$18.11
Loading valuation history…

Fundamentals

Key fundamentals

$422.2M

Market cap

-7.1%

Revenue growth (YoY)

65.2%

Gross margin

$17.4M

Free cash flow (USD)

-$65.8M

Net debt

Net cash position

-6.0%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Industrials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$54.7MFY 2017$63.2MFY 2018$74.5MFY 2019$72.8MFY 2020$92.1MFY 2021$103.9MFY 2022$125.6MFY 2023$128.3MFY 2024$144.9MFY 2025$134.7M
$54.7M$134.7M

Free cash flow by year

2016 → 2025

FY 2016$3.9MFY 2017$-4.5MFY 2018$2.3MFY 2019$-2.1MFY 2020$10.1MFY 2021$6.8MFY 2022$9.5MFY 2023$23.5MFY 2024$19.2MFY 2025$17.4M
$3.9M$17.4M

Gross margin by year

2021 → 2025

FY 202168.6%FY 202269.6%FY 202367.8%FY 202466.9%FY 202565.2%
68.6%65.2%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

2

Insider buys · 90 days

3

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $130KBUEHLER ALEXANDER J · Director, Interim President and CEO · $129.8KJun 17, 2026Filing
  • Insider buyInsider Buy $99KSabol Colin R · Director · $99.3KJun 17, 2026Filing
  • 8-K eventInterim CEO CompensationJun 11, 2026Filing
  • 8-K eventAnnual Meeting ResultsJun 8, 2026Filing
  • 8-K eventCEO Departure and AppointmentMay 28, 2026Filing
  • Insider buyInsider Buy $167KTONDREAU PAMELA L. · Director · $166.8KMay 15, 2026Filing
  • 8-K eventEarnings ReleaseMay 6, 2026Filing
  • Quarterly report10-Q FiledMay 6, 2026Filing
  • Insider sellInsider Sell $25KHanstveit Arve · Director · $24.9KApr 8, 2026Filing
  • Insider sellInsider Sell $1.7MHanstveit Arve · Director · $1.7MApr 6, 2026Filing

Questions

Frequently asked questions

What is Energy Recovery, Inc.'s market cap?

Energy Recovery, Inc. (ERII) has a market capitalization of $422.2M.

What is ERII's P/E ratio?

ERII trades at a price-to-earnings ratio of 19.8, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is ERII's price-to-book (P/B) ratio?

ERII trades at 2.05 times book value per share.

Are insiders buying ERII stock?

Yes — SEC Form 4 filings show 2 open-market insider buys and 3 sells at Energy Recovery, Inc. in the last 90 days.

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Timeline

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.