Michael S. Mares Jr.

CIK: 0001763820

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (3.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (14.8%)

Compensation grants

Other (G, F, J, C, D, …)22 (81.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CWT

CALIFORNIA WATER SERVICE GROUP

Officer

Discretionary Trading P&L

Holdings

Transaction History (27 total)

CWT
CALIFORNIA WATER SERVICE GROUP
Sep 5, 2026
Tax Payment(F)
Direct
67 shares at avg. $50.03$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Sep 4, 2026
Tax Payment(F)
Direct
69 shares at avg. $50.03$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Jun 5, 2026
Tax Payment(F)
Direct
68 shares at avg. $45.82$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Jun 4, 2026
Tax Payment(F)
Direct
69 shares at avg. $45.24$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 20, 2026
Sale(S)
Direct
3.9K shares at avg. $44.00$171K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 7, 2026
Award(A)
Direct
900 shares-
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 7, 2026
Tax Payment(F)
Direct
495 shares at avg. $45.59$23K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 7, 2026
Tax Payment(F)
Direct
58 shares at avg. $45.59$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 5, 2026
Tax Payment(F)
Direct
75 shares at avg. $45.78$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 4, 2026
Tax Payment(F)
Direct
303 shares at avg. $46.99$14K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 3, 2026
Award(A)
Direct
1.7K shares-
CWT
CALIFORNIA WATER SERVICE GROUP
Dec 7, 2025
Tax Payment(F)
Direct
53 shares at avg. $44.88$2K
CWT
CALIFORNIA WATER SERVICE GROUP
Dec 5, 2025
Tax Payment(F)
Direct
67 shares at avg. $44.88$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Sep 7, 2025
Tax Payment(F)
Direct
53 shares at avg. $47.09$2K
CWT
CALIFORNIA WATER SERVICE GROUP
Sep 5, 2025
Tax Payment(F)
Direct
67 shares at avg. $47.09$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Jun 7, 2025
Tax Payment(F)
Direct
53 shares at avg. $45.62$2K
CWT
CALIFORNIA WATER SERVICE GROUP
Jun 5, 2025
Tax Payment(F)
Direct
65 shares at avg. $45.85$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 7, 2025
Tax Payment(F)
Direct
53 shares at avg. $47.90$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 5, 2025
Tax Payment(F)
Direct
296 shares at avg. $46.65$14K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 4, 2025
Award(A)
Direct
1.7K shares-
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 3, 2025
Award(A)
Direct
1.8K shares-
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 3, 2025
Tax Payment(F)
Direct
995 shares at avg. $45.45$45K
CWT
CALIFORNIA WATER SERVICE GROUP
Mar 3, 2025
Tax Payment(F)
Direct
59 shares at avg. $45.45$3K
CWT
CALIFORNIA WATER SERVICE GROUP
Dec 9, 2024
Tax Payment(F)
Direct
44 shares at avg. $48.70$2K
CWT
CALIFORNIA WATER SERVICE GROUP
Dec 2, 2024
Tax Payment(F)
Direct
44 shares at avg. $51.19$2K

		Type	Shares	Price		Ownership
Sep 5, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	67	$50.03	$3,352	Direct
Sep 4, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	69	$50.03	$3,452	Direct
Jun 5, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	68	$45.82	$3,116	Direct
Jun 4, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	69	$45.24	$3,122	Direct
Mar 20, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Sale(S)	3,892	$44.00	$171,248	Direct
Mar 7, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Award(A)	900	-	$0	Direct
Mar 7, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	495	$45.59	$22,567	Direct
Mar 7, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	58	$45.59	$2,644	Direct
Mar 5, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	75	$45.78	$3,434	Direct
Mar 4, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	303	$46.99	$14,238	Direct
Mar 3, 2026	CWT CALIFORNIA WATER SERVICE GROUP	Award(A)	1,650	-	$0	Direct
Dec 7, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	53	$44.88	$2,379	Direct
Dec 5, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	67	$44.88	$3,007	Direct
Sep 7, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	53	$47.09	$2,496	Direct
Sep 5, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	67	$47.09	$3,155	Direct
Jun 7, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	53	$45.62	$2,418	Direct
Jun 5, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	65	$45.85	$2,980	Direct
Mar 7, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	53	$47.90	$2,539	Direct
Mar 5, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	296	$46.65	$13,808	Direct
Mar 4, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Award(A)	1,653	-	-	Direct
Mar 3, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Award(A)	1,814	-	-	Direct
Mar 3, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	995	$45.45	$45,223	Direct
Mar 3, 2025	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	59	$45.45	$2,682	Direct
Dec 9, 2024	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	44	$48.70	$2,143	Direct
Dec 2, 2024	CWT CALIFORNIA WATER SERVICE GROUP	Tax Payment(F)	44	$51.19	$2,252	Direct

1-25 of 27 transactions

About Mares Michael S JR

Mares Michael S JR (SEC CIK 0001763820) files insider reports with the SEC as SVP Operations of CALIFORNIA WATER SERVICE GROUP (CWT).

Signal8 holds 16 ownership filings by Mares Michael S JR, all Form 4s, filed between Sep 3, 2024 and Sep 8, 2026. Those filings report 27 transactions, from Sep 3, 2024 to Sep 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Mares Michael S JR's filings is in SAN JOSE, CA.

Recent filings by Mares Michael S JR

Sep 5, 2026: Tax withholding of CWT shares (Form 4, code F).
Sep 4, 2026: Tax withholding of CWT shares (Form 4, code F).
Jun 5, 2026: Tax withholding of CWT shares (Form 4, code F).
Jun 4, 2026: Tax withholding of CWT shares (Form 4, code F).
Mar 20, 2026: Open-market sale of CWT shares (Form 4, code S).

Other insiders filing for CALIFORNIA WATER SERVICE GROUP (CWT)

Scanlon Thomas A, VP, Corporate Controller & PAO
Peters Todd Kenneth, Vice President, Engineering
Ouyang Elissa Y, VP Facilities Fleet Procure IT
Mortensen Michelle R, VP Corp Sect, Gov & Assurance
Lynch James Patrick, SVP CFO and Treasurer
Luu Michael B, SVP Corp Svce & Chief Risk Of

How to read Form 4 transaction codes