Hanstveit Arve 4

What Happened

• Arve Hanstveit, a director of Energy Recovery, Inc. (ERII), disposed of 165,292 shares on April 2, 2026. The sale was reported at $10.14 per share for a total value of $1,676,061. The transaction is coded as a sale (S) and listed as an open market or private sale.

Key Details

• Transaction date and price: April 2, 2026 — 165,292 shares at $10.14 each (total $1,676,061).
• Transaction type: Sale (S); described as open market or private sale.
• Footnote F1: The shares were sold by a broker, without instruction from Mr. Hanstveit, to satisfy a margin call. The shares had been pledged as collateral for a margin account.
• Footnote F2: Mr. Hanstveit is sole trustee and exercises sole voting and investment power over the reported shares.
• Shares owned after the transaction: Not specified in the filing.
• Filing: Report filed Apr 6, 2026 (see SEC accession 0001421517-26-000027). Exhibit 24 attached.

Context

• Broker-initiated sales to cover margin calls are typically driven by the broker’s risk management and do not necessarily reflect the insider’s view on the company. This reduces the interpretive value of the sale for assessing insider sentiment.