California Water Service Group (CWT) VP of Rates plans retirement

Rhea-AI Filing Summary

California Water Service Group reports that Greg A. Milleman, its Vice President of Rates and Regulatory Affairs, has notified the company of his intention to retire. His retirement date will be set later, and he will retire after 13 years of service with the company.

The company plans to announce his replacement before the effective retirement date, indicating an orderly transition in leadership for its rates and regulatory affairs function.

8-K Event Classification

Item 7.01 — Regulation FD Disclosure

1 item

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934

Date of Report (date of earliest event reported): March 2, 2026

CALIFORNIA WATER SERVICE GROUP

(Exact name of Registrant as Specified in its Charter) 

Delaware
(State or other jurisdiction
of incorporation) 1-13883
(Commission file number) 77-0448994
(I.R.S. Employer
Identification Number)

1720 North First Street
San Jose, California
(Address of principal executive offices) 95112
(Zip Code)

(408) 367-8200

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Shares, par value $0.01		CWT		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined by Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 7.01. Regulation FD Disclosure.

On March 2, 2026, Greg A. Milleman, Vice President, Rates and Regulatory Affairs, notified California Water Service Group (the “Company”) of his intention to retire, with an effective date to be determined at a later date (the “retirement date”). Mr. Milleman will retire with 13 years of service.

The Company expects to announce Mr. Milleman’s replacement before the retirement date.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	CALIFORNIA WATER SERVICE GROUP
Date: March 5, 2026	By:	/s/ Martin A. Kropelnicki
	Name:	Martin A. Kropelnicki
	Title:	President and Chief Executive Officer

FAQ

What leadership change did California Water Service Group (CWT) announce?

California Water Service Group announced that Greg A. Milleman, Vice President of Rates and Regulatory Affairs, plans to retire. The company disclosed that his retirement date will be determined later and that he will conclude his role after 13 years of service.

Who is retiring from California Water Service Group and what is his role?

Greg A. Milleman is retiring from California Water Service Group. He serves as Vice President of Rates and Regulatory Affairs and has worked at the company for 13 years, overseeing regulatory and rate-related matters during his tenure.

Has California Water Service Group set a retirement date for Greg A. Milleman?

The retirement date for Greg A. Milleman has not yet been set. The company stated that his retirement will be effective on a date to be determined later, providing time for an orderly transition in the rates and regulatory affairs leadership.

Will California Water Service Group name a replacement for Greg A. Milleman?

California Water Service Group expects to announce a replacement for Greg A. Milleman before his retirement becomes effective. This suggests the company intends to maintain continuity in its rates and regulatory affairs leadership as it manages this planned transition.

How long has Greg A. Milleman served at California Water Service Group?

Greg A. Milleman will retire after 13 years of service at California Water Service Group. His role as Vice President of Rates and Regulatory Affairs reflects long-term involvement in the company’s regulatory and rate-setting activities over more than a decade.

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA 3.0 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE 33.4 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE 21.8 KB