---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-116113"
form_type: "8-K"
ticker: "CWT"
cik: "0001035201"
company_name: "CALIFORNIA WATER SERVICE GROUP"
filed_at: "2026-10-15T16:38:42+00:00"
generated_at: "2026-10-15T16:40:03.417581+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# California Water Service Group to issue $275M of notes and first mortgage bonds at 6.08%-6.54%

## Summary
- $125M senior unsecured notes: $75M 6.08% Series C due Dec 15, 2031 and $50M 6.41% Series D due Dec 15, 2036.
- Subsidiary Cal Water to issue $50M 6.49% First Mortgage Bonds due Dec 15, 2046 (Series 4) and $100M 6.54% bonds due Dec 15, 2056 (Series 5).
- Total issuance $275M; closing expected on or before Dec 31, 2026, with interest payable semi-annually starting June 15, 2027.
- Proceeds from both issuers will refinance existing indebtedness and fund general corporate purposes; the Cal Water bonds are secured by liens on its properties.
- Notes and bonds sold privately to qualified institutional buyers under Rule 144A and are not registered under the Securities Act.

## SEC filing metadata
- accession: 0001104659-26-116113
- form_type: 8-K
- ticker: CWT
- cik: 0001035201
- company_name: CALIFORNIA WATER SERVICE GROUP
- filed_at: 2026-10-15T16:38:42+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035201/000110465926116113/0001104659-26-116113-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035201/000110465926116113/tm2627619d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-116113
- JSON: https://secwatch.observer/filing/0001104659-26-116113.json
- Plain text: https://secwatch.observer/filing/0001104659-26-116113.txt

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