---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-078135"
form_type: "8-K"
ticker: "CWT"
cik: "0001035201"
company_name: "CALIFORNIA WATER SERVICE GROUP"
filed_at: "2023-07-05T23:59:59+00:00"
generated_at: "2026-06-13T12:26:40.527708+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# California Water Service Group Elects Charles R. Patton to Board of Directors, Effective July 1, 2023

## Summary
- Board increased from 9 to 10 directors; Charles R. Patton elected effective July 1, 2023.
- Patton previously served as EVP External Affairs at American Electric Power, retiring July 2022.
- Patton serves as independent director of Ameresco, Inc. and Sterling Construction Company.
- He will receive standard non-employee director compensation as described in proxy statement.
- No arrangements or understandings with any person regarding his selection as director.

## SEC filing metadata
- accession: 0001104659-23-078135
- form_type: 8-K
- ticker: CWT
- cik: 0001035201
- company_name: CALIFORNIA WATER SERVICE GROUP
- filed_at: 2023-07-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035201/000110465923078135/0001104659-23-078135-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035201/000110465923078135/tm2320631d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-078135
- JSON: https://secwatch.observer/filing/0001104659-23-078135.json
- Plain text: https://secwatch.observer/filing/0001104659-23-078135.txt

## Key facts
- Executive change
  Charles R. Patton was elected as Director at CALIFORNIA WATER SERVICE GROUP.
  - Action: elected
  - Role: Director
  source text: voted to increase the size of the Board from nine to ten directors and to elect Charles R. Patton to the Board, effective July 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1035201/000110465923078135/0001104659-23-078135-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.