Insider Cluster (4 insiders) ·Filed Mar 4, 2026
Insider cluster: 3 insiders, $0.6M total
Actionable Insight • Neutral
Monitor for additional selling in next 30 days; current level is modest and within normal range for executives managing personal holdings. No alarm, but watch for trend development.
Final — all horizons settled through T+60d
ERII ▼ -19.50% at T+60d
NEUTRAL call -19.50% · α vs SPY -29.58% · entry $10.72 → $8.63
T+1d
+0.09%
call +0.09% · α +0.67%
$10.73
settled 8mo ago
T+5d
+0.56%
call +0.56% · α +1.89%
$10.78
settled 8mo ago
T+20d
-4.66%
call -4.66% · α -0.25%
$10.22
settled 7mo ago
T+60d
-19.50%
call -19.50% · α -29.58%
$8.63
settled 5mo ago
Price Chart
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Executive Summary
Five insider transactions at Energy Recovery, Inc. (ERII) over the past seven days, including four open-market sales and one tax withholding event. Directors and executives sold a combined $753,600 worth of shares, representing modest insider selling activity.
Key Financial Metrics
Direction
selling
Total Value
$753.6K
Insiders
4
Key Facts
- Director Arve Hanstveit sold 50,000 shares in two transactions totaling $534,400 over March 5–6.
- SVP Rodney Clemente sold 20,568 shares for $218,309 on March 4.
- CTO Ramanan Natarajan sold 272 shares for $2,875 on March 5 and surrendered 2,724 shares for tax withholding on March 3 ($27,839).
- Total open-market sales: 71,350 shares for $753,600 (excluding tax-related disposition).
- Total insider sales represent approximately 0.13% of ERII's $561M market cap.
Financial Impact
$753,600 in open-market insider sales over 7 days
insider ownershipmarket sentiment
Risk Factors
- Potential perception of lack of confidence if selling continues in coming weeks.
- CTO and SVP participation may raise questions, though amounts are small relative to position sizes.
Market Snapshot
Exchange
Nasdaq
Investment Themes
Industrials & Manufacturing
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (5 trades, 7d window) | cluster-ERII-1773092045396 |
3 reports for ERII
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Jun 15, 2026 18w ago | 144 | $8.58 $8.66 | ▲ +0.93% | ▲ +0.73% | $6.78 (−20.92%) |
Mar 4, 2026 33w ago | Insider Cluster | $10.72 $10.22 | ▼ −4.66% | ▼ −0.25% | $6.78 (−36.71%) |
Feb 25, 2026 34w ago | 8-K | $10.43 $9.94 | ▼ −4.70% | ▲ +1.72% | $6.78 (−34.95%) |
Showing 3 of 3
US Market Status
Market Open — Closes in 2m
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