Ramanan Natarajan 4

What Happened
Ramanan Natarajan, Chief Technology Officer of Energy Recovery, Inc. (ERII), sold 272 shares in an open-market transaction on March 5, 2026. The shares were sold at $10.57 each for a total transaction value of approximately $2,875. This was a sale (transaction code S), not a purchase or option exercise.

Key Details

• Transaction date: March 5, 2026; Form 4 filed March 6, 2026 (timely filing).
• Transaction type: Open-market sale (S).
• Shares sold: 272 at $10.57 per share.
• Total value: ~$2,875.
• Shares owned after transaction: Not specified in the provided filing.
• Footnotes/remarks: Filing references Exhibit 24. No 10b5-1 plan or tax-withholding note disclosed in this Form 4.

Context
Sales by officers are common and can reflect routine diversification or personal needs; they do not necessarily indicate a change in the officer’s view of the company. For retail investors, purchases tend to be a stronger signal than small, routine sales like this one.