Energy Recovery (ERII) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $6.65, +0.15% vs the prior close of $6.64.
- Volume 888.17K shares, 0.9x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
ERII ends flat (+0.2%) to $6.65. Closed at $6.65, +0.15% vs the prior close of $6.64. Day range $6.62–$6.81, opened at $6.66.
ERII daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — ERII ends flat (+0.2%) to $6.65
- Closed at $6.65, +0.15% vs the prior close of $6.64. Day range $6.62–$6.81, opened at $6.66.
- Volume was 888.17K shares, 0.9x its 50-day average of 959.92K.
- Price is -9.4% vs its 50-day average ($7.34) and -33.3% vs its 200-day average ($9.97).
- 52-week range $6.60–$18.32; today's close sits at 0% of that range, 63.7% below the 52-week high.
Oct 15, 2026 — ERII dips 1.0% to $6.64, a 52-week low, 3 down days in a row
- Closed at $6.64, -1.04% vs the prior close of $6.71. Day range $6.64–$6.78, opened at $6.74.
- Volume was 585.20K shares, 0.6x its 50-day average of 966.51K.
- Price is -10.0% vs its 50-day average ($7.38) and -33.6% vs its 200-day average ($10.00).
- 52-week range $6.60–$18.32; today's close sits at 0% of that range, 63.8% below the 52-week high.
- That makes 3 straight losses.
Oct 14, 2026 — ERII dips 2.0% to $6.71
- Closed at $6.71, -2.04% vs the prior close of $6.85. Day range $6.64–$6.80, opened at $6.75.
- Volume was 655.30K shares, 0.7x its 50-day average of 972.43K.
- Price is -9.6% vs its 50-day average ($7.42) and -33.1% vs its 200-day average ($10.04).
- 52-week range $6.60–$18.32; today's close sits at 1% of that range, 63.4% below the 52-week high.
Oct 13, 2026 — ERII ends flat (-0.3%) to $6.85
- Closed at $6.85, -0.29% vs the prior close of $6.87. Day range $6.67–$6.89, opened at $6.85.
- Volume was 721.80K shares, 0.7x its 50-day average of 983.56K.
- Price is -8.3% vs its 50-day average ($7.47) and -32.0% vs its 200-day average ($10.07).
- 52-week range $6.60–$18.32; today's close sits at 2% of that range, 62.6% below the 52-week high.
Oct 12, 2026 — ERII rises 0.4% to $6.87
- Closed at $6.87, +0.44% vs the prior close of $6.84. Day range $6.80–$6.93, opened at $6.84.
- Volume was 476.10K shares, 0.5x its 50-day average of 1.00M — lighter than usual.
- Price is -8.6% vs its 50-day average ($7.51) and -32.0% vs its 200-day average ($10.11).
- 52-week range $6.60–$18.32; today's close sits at 2% of that range, 62.5% below the 52-week high.
Oct 9, 2026 — ERII ends flat (+0.0%) to $6.84
- Closed at $6.84, +0.00% vs the prior close of $6.84. Day range $6.73–$6.88, opened at $6.84.
- Volume was 461.60K shares, 0.5x its 50-day average of 1.01M — lighter than usual.
- Price is -9.4% vs its 50-day average ($7.55) and -32.6% vs its 200-day average ($10.14).
- 52-week range $6.60–$18.32; today's close sits at 2% of that range, 62.7% below the 52-week high.
Oct 8, 2026 — ERII rises 1.6% to $6.84
- Closed at $6.84, +1.63% vs the prior close of $6.73. Day range $6.69–$6.92, opened at $6.76.
- Volume was 1.15M shares, 1.1x its 50-day average of 1.02M.
- Price is -9.8% vs its 50-day average ($7.58) and -32.8% vs its 200-day average ($10.18).
- 52-week range $6.60–$18.32; today's close sits at 2% of that range, 62.7% below the 52-week high.
Oct 7, 2026 — ERII slides 4.9% to $6.73
- Closed at $6.73, -4.94% vs the prior close of $7.08. Day range $6.63–$6.95, opened at $6.94.
- Volume was 689.00K shares, 0.7x its 50-day average of 1.02M.
- Price is -11.5% vs its 50-day average ($7.61) and -34.1% vs its 200-day average ($10.21).
- 52-week range $6.60–$18.32; today's close sits at 1% of that range, 63.3% below the 52-week high.
Oct 6, 2026 — ERII jumps 3.7% to $7.08, 4 up days in a row
- Closed at $7.08, +3.66% vs the prior close of $6.83. Day range $6.87–$7.15, opened at $6.90.
- Volume was 1.39M shares, 1.4x its 50-day average of 1.01M.
- Price is -7.3% vs its 50-day average ($7.64) and -30.9% vs its 200-day average ($10.25).
- 52-week range $6.60–$18.32; today's close sits at 4% of that range, 61.4% below the 52-week high.
- That makes 4 straight gains.
Oct 5, 2026 — ERII rises 0.9% to $6.83, 3 up days in a row
- Closed at $6.83, +0.89% vs the prior close of $6.77. Day range $6.63–$6.84, opened at $6.75.
- Volume was 872.10K shares, 0.9x its 50-day average of 998.41K.
- Price is -10.9% vs its 50-day average ($7.67) and -33.6% vs its 200-day average ($10.29).
- 52-week range $6.60–$18.32; today's close sits at 2% of that range, 62.7% below the 52-week high.
- That makes 3 straight gains.
Oct 2, 2026 — ERII rises 1.0% to $6.77
- Closed at $6.77, +1.04% vs the prior close of $6.70. Day range $6.71–$6.83, opened at $6.81.
- Volume was 618.20K shares, 0.6x its 50-day average of 996.97K.
- Price is -12.1% vs its 50-day average ($7.70) and -34.4% vs its 200-day average ($10.32).
- 52-week range $6.60–$18.32; today's close sits at 1% of that range, 63.0% below the 52-week high.
ERII latest news & SEC filings
Every SEC filing by or about ERII in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Aug 17, 2026 · Form S-8 — Employee share plan registration
Registration of shares for employee stock plans (S-8)
Aug 14, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 5, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $12.00M (prior year $28.05M) (-57.2% vs Jun 30, 2025)
- Net income: -$3.20M (prior year $2.05M) (loss widened vs Jun 30, 2025)
- Diluted EPS: -$0.06 (prior year $0.04) (loss widened vs Jun 30, 2025)
Aug 5, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Jul 29, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Clemente Rodney sold 5,387 shares at $8.56 (≈$46.11K) on Jul 28, 2026
- Clemente Rodney sold 5,387 shares at $8.56 (≈$46.11K) on Jul 28, 2026
- Clemente Rodney sold 5,387 shares at $8.56 (≈$46.11K) on Jul 28, 2026
- Clemente Rodney sold 5,387 shares at $8.56 (≈$46.11K) on Jul 28, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Jul 29, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Yeung William sold 2,048 shares at $8.56 (≈$17.53K) on Jul 28, 2026
- Yeung William sold 2,048 shares at $8.56 (≈$17.53K) on Jul 28, 2026
- Yeung William sold 2,048 shares at $8.56 (≈$17.53K) on Jul 28, 2026
- Yeung William sold 2,048 shares at $8.56 (≈$17.53K) on Jul 28, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Jul 28, 2026 · Form 144 — Planned insider sale
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Jul 28, 2026 · Form 144 — Planned insider sale
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Jul 22, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jul 22, 2026 · Form 3 — New insider holdings
Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings
Jul 22, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jul 13, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Things to know before you trade ERII
- Last results release: Aug 5, 2026 (8-K Item 2.02). Previous ones: May 6, 2026, Feb 25, 2026, Nov 5, 2025. Based on that rhythm, the next report is likely around Nov 4, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 1.33% (largest 4.9%).
- Liquidity: about 783.46K shares (≈$5.21M) trade per day on average.
- 52-week position: $6.65 vs a range of $6.60–$18.32 (0% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 8 open-market buys, 17 sales; latest: William Yeung sold 2,048 shares on Jul 28, 2026.
- Latest filings: 10-Q Aug 5, 2026; 8-K Aug 5, 2026; 8-K Jul 13, 2026.
- Share count: 51.04M shares outstanding (Jul 31, 2026), -4.0% vs a year earlier — the company has been reducing its share count.
- Listing: Nasdaq · industry: Special Industry Machinery, NEC.
ERII market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 6.66 | 6.81 | 6.62 | 6.65 | 888.17K |
| Oct 15, 2026 | 6.74 | 6.78 | 6.64 | 6.64 | 585.20K |
| Oct 14, 2026 | 6.75 | 6.80 | 6.64 | 6.71 | 655.30K |
| Oct 13, 2026 | 6.85 | 6.89 | 6.67 | 6.85 | 721.80K |
| Oct 12, 2026 | 6.84 | 6.93 | 6.80 | 6.87 | 476.10K |
| Oct 9, 2026 | 6.84 | 6.88 | 6.73 | 6.84 | 461.60K |
| Oct 8, 2026 | 6.76 | 6.92 | 6.69 | 6.84 | 1.15M |
| Oct 7, 2026 | 6.94 | 6.95 | 6.63 | 6.73 | 689.00K |
| Oct 6, 2026 | 6.90 | 7.15 | 6.87 | 7.08 | 1.39M |
| Oct 5, 2026 | 6.75 | 6.84 | 6.63 | 6.83 | 872.10K |
| Oct 2, 2026 | 6.81 | 6.83 | 6.71 | 6.77 | 618.20K |
| Oct 1, 2026 | 6.68 | 6.77 | 6.60 | 6.70 | 725.50K |
| Sep 30, 2026 | 6.75 | 6.78 | 6.66 | 6.67 | 824.60K |
| Sep 29, 2026 | 6.75 | 6.82 | 6.70 | 6.75 | 689.50K |
| Sep 28, 2026 | 6.78 | 6.79 | 6.60 | 6.72 | 931.40K |
| Sep 25, 2026 | 6.83 | 6.90 | 6.77 | 6.81 | 681.70K |
| Sep 24, 2026 | 6.76 | 6.84 | 6.69 | 6.83 | 800.50K |
| Sep 23, 2026 | 7.06 | 7.06 | 6.78 | 6.80 | 777.60K |
| Sep 22, 2026 | 7.06 | 7.14 | 6.95 | 7.12 | 754.10K |
| Sep 21, 2026 | 7.00 | 7.07 | 6.91 | 7.03 | 977.80K |
About Energy Recovery
Energy Recovery (ERII) is listed on the Nasdaq and classified by the SEC under “Special Industry Machinery, NEC”. Its business address is in SAN LEANDRO, CA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1421517.
ERII board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Alexander J Buehler | Interim President and CEO | Jun 17, 2026 |
| Joan Kai Chow | Director | Jun 5, 2026 |
| Arve Hanstveit | Director | Jun 5, 2026 |
| John Joseph Mitchell | Director | Jul 22, 2026 |
| David W Moon | President and CEO | Feb 19, 2026 |
| Colin R Sabol | Director | Jun 17, 2026 |
| Pamela L. Tondreau | Director | Jun 5, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Alexander J Buehler | Interim President and CEO | Jun 17, 2026 |
| Rodney Clemente | SVP, Water | Jul 29, 2026 |
| Matthew Hostetler | Chief Human Resources Officer | Feb 19, 2026 |
| Michael S. Mancini | Chief Financial Officer | Feb 19, 2026 |
| David W Moon | President and CEO | Feb 19, 2026 |
| Natarajan Ramanan | Chief Technology Officer | Mar 6, 2026 |
| Aidan Ryan | Interim CFO | Jun 25, 2026 |
| William Yeung | Chief Legal Officer | Jul 29, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 28, 2026 | William Yeung | Sale | 2,048 | $8.56 |
| Jul 28, 2026 | William Yeung | Sale | 2,048 | $8.56 |
| Jul 28, 2026 | William Yeung | Sale | 2,048 | $8.56 |
| Jul 28, 2026 | William Yeung | Sale | 2,048 | $8.56 |
| Jul 28, 2026 | Rodney Clemente | Sale | 5,387 | $8.56 |
| Jul 28, 2026 | Rodney Clemente | Sale | 5,387 | $8.56 |
| Jul 28, 2026 | Rodney Clemente | Sale | 5,387 | $8.56 |
| Jul 28, 2026 | Rodney Clemente | Sale | 5,387 | $8.56 |
| Jun 15, 2026 | Colin R Sabol | Buy | 11,180 | $8.88 |
| Jun 15, 2026 | Colin R Sabol | Buy | 11,180 | $8.88 |
| Jun 15, 2026 | Colin R Sabol | Buy | 11,180 | $8.88 |
| Jun 15, 2026 | Colin R Sabol | Buy | 11,180 | $8.88 |
| Jun 15, 2026 | Alexander J Buehler | Sale | 14,900 | $8.71 |
| Jun 15, 2026 | Alexander J Buehler | Sale | 14,900 | $8.71 |
| Jun 15, 2026 | Alexander J Buehler | Sale | 14,900 | $8.71 |
ERII financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $134.99M | $22.96M | 0.42 | $18.77M |
| Dec 31, 2024 | $144.95M | $23.05M | 0.40 | $20.52M |
| Dec 31, 2023 | $128.35M | $21.50M | 0.37 | $26.05M |
| Dec 31, 2022 | $125.59M | $24.05M | 0.42 | $12.63M |
| Dec 31, 2021 | $103.90M | $14.27M | 0.24 | $13.53M |
Latest balance sheet: total assets $197.74M, total liabilities $25.26M, cash $61.44M (as of Jun 30, 2026).
ERII earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 5, 2026 | 8-K Item 2.02 (results) | $8.86 |
| May 6, 2026 | 8-K Item 2.02 (results) | $11.61 |
| Feb 25, 2026 | 8-K Item 2.02 (results) | $16.12 |
| Nov 5, 2025 | 8-K Item 2.02 (results) | $17.26 |
| Aug 6, 2025 | 8-K Item 2.02 (results) | $13.62 |
| May 7, 2025 | 8-K Item 2.02 (results) | $15.04 |
| Feb 26, 2025 | 8-K Item 2.02 (results) | $14.68 |
| Oct 30, 2024 | 8-K Item 2.02 (results) | $17.86 |
| Jul 31, 2024 | 8-K Item 2.02 (results) | — |
| May 1, 2024 | 8-K Item 2.02 (results) | — |
| Feb 21, 2024 | 8-K Item 2.02 (results) | — |
| Nov 1, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.