California Wtr Svc Group SEC Filings

California Water Service Group announced its financial results for the third quarter of 2025, for the period ended September 30, 2025. The company will host a conference call on Thursday, October 30, 2025, at 11:00 am EDT to discuss results and management’s outlook.

The press release is provided as Exhibit 99.1 and a slide presentation for the call is provided as Exhibit 99.2; both will be available on the company’s website under Investor Relations. The information is furnished under Item 2.02 and is not deemed filed under Section 18 of the Exchange Act.

California Water Service Group declared a quarterly cash dividend of $0.30 per common share. The dividend is payable on November 21, 2025 to shareholders of record at the close of business on November 10, 2025. This update was announced via press release and filed on a Form 8-K.

Thomas A. Scanlon, Corporate Controller & PAO and a reporting officer of California Water Service Group (CWT), reported two share dispositions in early September 2025. On 09/05/2025 he disposed of 29 shares at $47.09 to satisfy tax withholding from the vesting of a Restricted Stock Award granted on 06/05/2024. On 09/07/2025 he disposed of 23 shares at $47.09 to satisfy tax withholding from a Restricted Stock Award granted on 03/07/2023. Following these transactions his beneficial ownership is reported as 4,002.955 shares, which includes Employee Stock Purchase Program shares. The Form 4 was signed on behalf of Mr. Scanlon on 09/09/2025.

Elissa Y. Ouyang, Vice President, Facilities, Fleet & Procure at California Water Service Group (CWT), reported share dispositions to satisfy tax withholding on vested restricted stock awards. The Form 4 shows two withholding transactions: 66 shares surrendered on 09/05/2025 and 52 shares surrendered on 09/07/2025, each at a reported price of $47.09. After the transactions, the reporting person owned 13,574.172 and 13,522.172 shares respectively, with the latter total noted to include shares acquired through the Employee Stock Purchase Program. The transactions were signed on 09/09/2025.

Michelle R. Mortensen, Vice President, Corporate Secretary and Chief of Staff of California Water Service Group (CWT), reported two non-derivative transactions in common stock related to tax-withholding on vested restricted stock awards. On 09/05/2025, 73 shares were withheld and surrendered at an indicated price of $47.09 to satisfy tax withholding from a Restricted Stock Award granted 06/05/2024. On 09/07/2025, 57 shares were withheld and surrendered at $47.09 to satisfy tax withholding from a Restricted Stock Award granted 03/07/2023. The Form 4 is signed 09/09/2025 and shows adjusted beneficial ownership levels following these withholdings.

Greg A. Milleman, Vice President, Rates & Regulatory Affairs at California Water Service Group (CWT), reported two share dispositions related to tax withholding on vested restricted stock awards. On 09/05/2025 he surrendered 66 shares at $47.09 and on 09/07/2025 he surrendered 51 shares at $47.09. Explanations state the 66 shares satisfied tax withholding for an RSA granted 06/05/2024 and the 51 shares for an RSA granted 03/07/2023. Following the transactions his beneficial ownership is reported as 11,721.15 shares after the first transaction and 11,670.15 shares after the second, with the latter total including shares acquired through the Employee Stock Purchase Program. The form is signed on behalf of Mr. Milleman on 09/09/2025.

Michael S. Mares Jr., SVP Operations at California Water Service Group (CWT), reported two routine dispositions to cover tax withholding on vested restricted stock awards. On 09/05/2025 he surrendered 67 shares at a price of $47.09 related to an RSA grant dated 06/05/2024. On 09/07/2025 he surrendered 53 shares at $47.09 relating to an RSA grant dated 03/07/2023. The filings show his beneficial ownership following those transactions as 10,882.6 and 10,829.6 shares respectively. The Form 4 was signed on behalf of Mr. Mares on 09/09/2025.

James P. Lynch, SVP, CFO and Treasurer of California Water Service Group (CWT), reported a Form 4 disclosing a transaction on 09/05/2025. The filing shows a disposition coded F of 48 shares of common stock at an average price of $47.09, described as shares withheld and surrendered to satisfy tax withholding on vested restricted stock awards granted on June 5, 2024. After the transaction, the filing reports beneficial ownership of 4,116.9 shares, which includes shares acquired through the company’s Employee Stock Purchase Program. The Form 4 was signed on behalf of Lynch on 09/09/2025.