// company-profile
Energy Recovery, Inc.
ERII// activity-summary
Recent insider activity is bullish. Over the last 30 days, 7 insiders purchased shares (net $868K) versus 1 sale. Buying was led by BUEHLER ALEXANDER J.
// 90-day insight
Over the last 90 days, Energy Recovery, Inc. insiders bought $1.2M (8 transactions) and sold $1.8M (3 transactions).
- Most active insider: Hanstveit Arve with 3 transactions totaling $1.9M.
- Largest single sale: $1.7M by Hanstveit Arve on Apr 2, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Energy Recovery, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | BUEHLER ALEXANDER J | ERII | Option Exercise | 15,327 | $8.60 | $132K |
| Jun 15, 2026 | Sabol Colin R | ERII | Purchase | 11,180 | $8.88 | $99K |
| Jun 15, 2026 | BUEHLER ALEXANDER J | ERII | Option Exercise | 15,327 | $8.60 | $132K |
| Jun 15, 2026 | BUEHLER ALEXANDER J | ERII | Sale | 14,900 | $8.71 | $130K |
| Jun 4, 2026 | Chow Joan Kai | ERII | Award | 18,094 | $8.29 | $150K |
45 more transactions hidden
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