$ERII
Energy Recovery, Inc.
XNAS•Industrials•Special Industry Machinery, Nec
Why is ERII up today? It is at $7.89 (+1.81%), and our scanner flagged it 23 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ERII spikes, and full due diligence on ERII — key stats, earnings, dilution and insider activity. Free.
Get free $ERII alerts the moment volume spikes
Our scanner flagged $ERII 23 times in the last 30 days. Create a free account to track $ERII, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
No card · 5 premium days · join 800+ traders
Key Stats
- Price
- $7.89
- Change today
- +1.81%
- Previous close
- $7.75
- 52-week range
- $7.51 – $18.32
- Market cap
- $403M
- Shares outstanding
- 51.0M SEC · as of 2026-07-31 · 23d
- Institutional own.
- 93.43%
- Total held
- 94.9%
- Tradeable float
- 2.6M 5% of shares · after 1% insiders + 93% institutions
- Short interest
- 2.8M ▲ +2% vs prior · as of 2026-07-31
- Days to cover
- 3.6d
- Avg daily volume
- 736K
- Sector
- Industrials
- Industry
- Special Industry Machinery, Nec
- Exchange
- XNAS
- 5mthin
- 100x
- 15mthin
- 100x
- 1hthin
- 100x
- 1D
- --
Get free ERII + market alerts in your inbox
The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.
No spam. Unsubscribe anytime. Not investment advice.
Why is $ERII up today?
Here is the latest on ERII from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ERII today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Latest filingS-8Employee share plan registration (S-8)Aug 17, 2026 · 5 days agoInsiders
Insiders buying1 open-market buy6 buys, 5 sells last 3 months (14/32 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Yeung William Officer | Sold (automatic/other) | -2K | sold 2.0% | 99K | $18K at $8.56 | Jul 28, 26 |
Clemente Rodney Officer | Sold (automatic/other) | -5K 0.01% of company | sold 4.7% | 108K | $46K at $8.56 | Jul 28, 26 |
Yeung William Officer | Sold (automatic/other) | -3K | sold 2.7% | 101K | $24K at $8.42 | Jul 27, 26 |
Clemente Rodney Officer | Sold (automatic/other) | -2K | sold 2.0% | 114K | $20K at $8.42 | Jul 27, 26 |
Mitchell John Joseph Director | Acquired (grant/award) | +17K 0.03% of company | n/a | 17K | n/a | Jul 9, 26 |
Buehler Alexander J Officer | Sold (automatic/other) | -15K 0.03% of company | sold 18% | 67K | $130K at $8.71 | Jun 15, 26 |
Buehler Alexander J Officer | Other | 15K 0.03% of company | added 23% | 82K | $132K at $8.60 | Jun 15, 26 |
Sabol Colin R Director | Bought (open market) | +11K 0.02% of company | added 25% | 56K | $99K at $8.88 | Jun 15, 26 |
Hanstveit Arve Director | Acquired (grant/award) | +18K 0.04% of company | added 4.7% | 401K | $150K at $8.29 | Jun 4, 26 |
Sabol Colin R Director | Acquired (grant/award) | +18K 0.04% of company | added 69% | 44K | $150K at $8.29 | Jun 4, 26 |
Chow Joan Kai Director | Acquired (grant/award) | +18K 0.04% of company | added 53% | 52K | $150K at $8.29 | Jun 4, 26 |
Tondreau Pamela L. Director | Acquired (grant/award) | +22K 0.04% of company | added 58% | 61K | $185K at $8.29 | Jun 4, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$ERII Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$ERII Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
Stocks similar to ERII
Comparable names in special industry machinery, nec, closest in size first.
ERII stock FAQ
Why is $ERII up today?
Here is the latest on ERII from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ERII today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the ERII stock price today?
ERII last traded at $7.89, up 1.81% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live ERII alerts?
The ERII Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged ERII 23 times in the last 30 days.
What exchange is ERII on?
ERII (Energy Recovery, Inc.) trades on XNAS, with a market cap of about $403M in the SPECIAL INDUSTRY MACHINERY, NEC sector.
Is ERII good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge ERII for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.