Hanstveit Arve 4

What Happened
Arve Hanstveit, a director of Energy Recovery, Inc. (ERII), sold a total of 50,000 shares in two open-market transactions. On 2026-03-05 he sold 38,418 shares at $10.71 per share for $411,457; on 2026-03-06 he sold 11,582 shares at $10.62 per share for $122,943. These were outright sales (code S) — typically routine disposition rather than a purchase that might signal bullish insider sentiment.

Key Details

• Transaction dates and prices:
  • 2026-03-05: 38,418 shares @ $10.71 = $411,457
  • 2026-03-06: 11,582 shares @ $10.62 = $122,943
• Total disposed: 50,000 shares for approximately $534,400.
• Shares owned after transaction: Not stated in the provided report.
• Footnote F1: the March 5 sale price is a weighted-average across multiple trades (prices ranged $10.71 to $10.7109); the reporting person will provide a per-trade breakdown to the SEC, the company, or a shareholder on request.
• Remarks: Exhibit 24 is listed on the filing.
• Timeliness: The Form 4 was filed on 2026-03-09 covering transactions on Mar 5–6, 2026; the filing appears timely under the SEC’s two-business-day requirement.

Context
These were open-market sales by a board director, not option exercises or gifts. Sales by insiders can be routine (diversification, tax planning, etc.) and do not by themselves indicate company prospects. There are no derivative transactions or 10% owner notes in this filing.