Form 4 Filing for Greg A Milleman

This filing details stock transactions by Greg A. Milleman, VP Rates & Regulatory Affairs at CALIFORNIA WATER SERVICE GROUP. On June 4, 2026, 67 shares of Common Stock were disposed of at $45.24 per share to cover tax withholding obligations related to a Restricted Stock Award. Following this, 13774.22 shares were held. On June 5, 2026, an additional 66 shares were disposed of at $45.82 per share for similar tax withholding purposes. The post-transaction share count was 13708.22. These transactions were marked as direct ownership and fall under Form 4 filing requirements.