Luu Michael B 4

What Happened
Michael B. Luu, Senior Vice President, Corporate Services & Chief Risk Officer of California Water Service Group (CWT), reported an open-market sale of 739.848 shares on 2026-03-20. The reported proceeds were approximately $32,945 (average price reported as $44.53 per share). This was a sale (not a purchase), which is often routine insider selling and not by itself an indication of company outlook.

Key Details

• Transaction type: Sale (open market), Form 4 filed 2026-03-24 for transaction dated 2026-03-20.
• Price(s): Reported average price $44.53; footnote states trades ranged between $44.53 and $44.21.
• Shares sold: 739.848; Reported proceeds: $32,945 (rounded).
• Shares owned after transaction: Not specified in the provided filing.
• Footnote: F1 notes the sale occurred in multiple transactions with prices between $44.53 and $44.21 and that the reporting person will provide detailed trade-by-trade information to the SEC or issuer upon request.
• Timeliness: No late filing indication shown in the provided data.

Context
Insider sales can reflect many reasons (portfolio rebalancing, tax needs, etc.) and are not inherently a bearish signal. There is no indication in this filing of a 10b5-1 plan, option exercise, gift, or tax-withholding disposition — only an open-market sale. Retail investors should consider this single sale alongside other insider activity and company fundamentals.