Michael B. Luu

Companies

• California Water Service GroupVP, Customer Svc & IT Aug 7, 2013 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• California Water Service Group CWT23,744 shares²$1.1M at $45.45Sep 5, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 5, 2026Shares withheld for tax 68 shares at $50.03 of California Water Service Group²
• Sep 4, 2026Shares withheld for tax 70 shares at $50.03 of California Water Service Group²
• Jun 5, 2026Shares withheld for tax 69 shares at $45.82 of California Water Service Group³
• Jun 4, 2026Shares withheld for tax 70 shares at $45.24 of California Water Service Group³
• Mar 20, 2026Sold 740 shares at $44.53 of California Water Service Group⁴
• Mar 7, 2026Shares withheld for tax 59 shares at $45.59 of California Water Service Group⁵
• Mar 7, 2026Shares withheld for tax 115 shares at $45.59 of California Water Service Group⁵
• Mar 7, 2026Granted 205 shares of California Water Service Group⁵
• Mar 7, 2026Shares withheld for tax 504 shares at $45.59 of California Water Service Group⁵
• Mar 7, 2026Granted 900 shares of California Water Service Group⁵
• Mar 5, 2026Shares withheld for tax 76 shares at $45.78 of California Water Service Group⁵
• Mar 4, 2026Shares withheld for tax 309 shares at $46.99 of California Water Service Group⁶
• Mar 3, 2026Granted 1,650 shares of California Water Service Group⁶
• Dec 7, 2025Returned to company 54 shares at $44.88 of California Water Service Group⁷
• Dec 5, 2025Shares withheld for tax 69 shares at $44.88 of California Water Service Group⁷
• Sep 7, 2025Shares withheld for tax 54 shares at $47.09 of California Water Service Group⁸
• Sep 5, 2025Shares withheld for tax 69 shares at $47.09 of California Water Service Group⁸
• Jun 7, 2025Shares withheld for tax 54 shares at $45.62 of California Water Service Group⁹
• Jun 5, 2025Shares withheld for tax 67 shares at $45.85 of California Water Service Group¹⁰
• Mar 7, 2025Shares withheld for tax 54 shares at $47.90 of California Water Service Group¹¹
• Mar 5, 2025Shares withheld for tax 270 shares at $46.65 of California Water Service Group¹²
• Mar 4, 2025Granted 1,653 shares of California Water Service Group¹³
• Mar 3, 2025Shares withheld for tax 60 shares at $45.45 of California Water Service Group¹³
• Mar 3, 2025Shares withheld for tax 1,014 shares at $45.45 of California Water Service Group¹³
• Mar 3, 2025Granted 1,814 shares of California Water Service Group¹³