When did California Water Service Group file this 8-K?

California Water Service Group (CWT) filed this Current Report (Form 8-K) with the SEC on May 21, 2026. The accession number assigned by EDGAR is 0001104659-26-065135.

What does an 8-K disclose?

Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).

What is the key takeaway from this filing?

Stockholders elected directors, approved executive compensation, and ratified Deloitte as auditors at the May 20, 2026 annual meeting. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.

What Item codes does an 8-K cover?

An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.

Where can I find California Water Service Group's prior current reports on EDGAR?

The SEC EDGAR browser lists every 8-K California Water Service Group has filed under CIK 1035201, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

Boardroom Alpha

CWT · Current Report (Form 8-K) · Filed May 21, 2026

California Water Service Group — Current Report (Form 8-K)

Form

8-K

Filed

May 21, 2026

Period

May 20, 2026

Ticker

CWT

Accession

0001104659-26-065135

California Water Service Group on Boardroom Alpha View on SEC EDGAR

Boardroom Alpha · Filing insights

Stockholders elected directors, approved executive compensation, and ratified Deloitte as auditors at the May 20, 2026 annual meeting.

About California Water Service Group

Market cap

$2.7B

1Y TSR

−3.6%

3Y TSR

−4.6%

Board grade

C-

Sector

Utilities

CEO

Martin A Kropelnicki

Last annual meeting: May 20, 2026 · View full California Water Service Group profile →

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): May 20, 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 5.07. Submission of Matters to a Vote of Security Holders

California Water Service Group (the “Company”) held its Annual Meeting of Stockholders on May 20, 2026 (the “Annual Meeting”). Stockholders acted on the following items of business at the Annual Meeting:

The following nominees for Director were elected to serve until the 2027 Annual Meeting of Stockholders based upon the following votes:

Nominee	Votes For	Votes Against	Abstentions	Broker Non-Votes
Gregory E. Aliff	48,896,655	714,400	97,429	4,633,226
Shelly M. Esque	49,382,992	233,654	91,838	4,633,226
Jeffrey Kightlinger	49,477,509	130,564	100,411	4,633,226
Martin A. Kropelnicki	47,955,526	1,649,633	103,325	4,633,226
Thomas M. Krummel, M.D.	47,487,182	2,122,312	98,990	4,633,226
Yvonne A. Maldonado, M.D.	49,376,242	236,393	95,849	4,633,226
Scott L. Morris	49,021,969	589,124	97,391	4,633,226
Charles R. Patton	49,383,783	230,251	94,450	4,633,226
Carol M. Pottenger	49,378,062	236,322	94,100	4,633,226
Lester A. Snow	48,485,973	1,126,745	95,766	4,633,226
Patricia K. Wagner	49,524,465	96,420	87,599	4,633,226

The advisory vote on the compensation paid to the Company’s named executive officers was approved as follows:

Votes For		Votes Against		Abstentions		Broker Non-Votes
46,971,099		2,539,067		198,318		4,633,226

The appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for 2025 was ratified as follows:

Votes For		Votes Against		Abstentions		Broker Non-Votes
53,131,825		1,077,647		132,238		-

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: May 21, 2026	By:	/s/ Martin A. Kropelnicki
	Name:	Martin A. Kropelnicki
	Title:	Chairman, President & Chief Executive Officer

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More filings

Other filings from California Water Service Group (CWT)

8-KCurrent Report
May 20, 2026
8-KCurrent Report
May 1, 2026
10-QQuarterly Report
Apr 30, 2026
8-KCurrent Report
Apr 30, 2026
8-KCurrent Report
Apr 29, 2026
DEFA14AAdditional Proxy Materials
Apr 17, 2026
DEF 14AProxy Statement
Apr 8, 2026
8-KCurrent Report
Mar 18, 2026
8-KCurrent Report
Mar 5, 2026
10-KAnnual Report
Feb 27, 2026
8-KCurrent Report
Feb 25, 2026
8-KCurrent Report
Jan 28, 2026

Continue researching

Reference

Frequently asked questions

When did California Water Service Group file this 8-K?: California Water Service Group (CWT) filed this Current Report (Form 8-K) with the SEC on May 21, 2026. The accession number assigned by EDGAR is 0001104659-26-065135.
What does an 8-K disclose?: Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?: Stockholders elected directors, approved executive compensation, and ratified Deloitte as auditors at the May 20, 2026 annual meeting. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?: An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find California Water Service Group's prior current reports on EDGAR?: The SEC EDGAR browser lists every 8-K California Water Service Group has filed under CIK 1035201, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

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