California Water Service Group Announces Executive Promotions

What Happened California Water Service Group (CWT) filed a Form 8-K on May 20, 2026 (Item 7.01) announcing the promotion of Tamara S. Johnson to Vice President, California Operations, and Gregory D. Shimansky to Vice President, Rates and Regulatory Affairs. Both promotions are effective July 1, 2026. The company attached a press release as Exhibit 99.1 to the filing.

Key Details

• Filing date: May 20, 2026 (Form 8-K, Regulation FD Disclosure).
• Effective date of promotions: July 1, 2026.
• Promoted executives: Tamara S. Johnson — Vice President, California Operations; Gregory D. Shimansky — Vice President, Rates and Regulatory Affairs.
• Exhibit: Press release announcing the promotions filed as Exhibit 99.1.

Why It Matters These are internal leadership promotions affecting operations and regulatory affairs functions—areas important to utility operations and rate-setting processes. The 8-K provides public notice of the changes but does not disclose compensation, departures, or other material financial impacts. Investors tracking management, regulatory strategy, or operational execution at CWT should note the appointments and any future disclosures about roles or related impacts.