California Water Service Group VP's Stock Dispositions for Tax Withholding

This Form 4 filing reports two stock disposition transactions by James Sophie Marwieh, Vice President of Water Quality at California Water Service Group (ticker: CWT). On June 4, 2026, Marwieh disposed of 51 shares at $45.24 per share, and on June 5, 2026, disposed of 50 shares at $45.82 per share. Both transactions were coded as "F" (involuntary dispositions) and involved shares being withheld and surrendered to the issuer to satisfy tax withholding obligations arising from the vesting of restricted stock awards. The first transaction related to a March 4, 2025 restricted stock award, while the second related to a June 5, 2024 award. Following these dispositions, Marwieh's direct ownership decreased from 8,371.196 shares to 8,321.196 shares. These are routine transactions related to equity compensation tax obligations rather than voluntary sales.