Michael B Luu California Water Service Group (CWT) insider trading activity

Michael B Luu is SVP Corp Svce & Chief Risk Of of CALIFORNIA WATER SERVICE GROUP. Currently has a direct ownership of 22,641 shares of CWT, which is worth approximately $1.02 Million. The most recent transaction as insider was on Sep 07, 2025, when has been sold 54 shares (Common Stock) at a price of $47.09 per share, resulting in proceeds of $2,542. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 22.6K

1.17% 3M change

6.1% 12M change

Total Value Held $1.02 Million

Michael B Luu Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 07 2025	SELL Payment of exercise price or tax liability	$2,542 $47.09 p/Share	54 Reduced 0.24%	22,641 Common Stock
Sep 05 2025	SELL Payment of exercise price or tax liability	$3,249 $47.09 p/Share	69 Reduced 0.3%	22,695 Common Stock
Jun 07 2025	SELL Payment of exercise price or tax liability	$2,463 $45.62 p/Share	54 Reduced 0.24%	22,380 Common Stock
Jun 05 2025	SELL Payment of exercise price or tax liability	$3,071 $45.85 p/Share	67 Reduced 0.3%	22,434 Common Stock
Mar 07 2025	SELL Payment of exercise price or tax liability	$2,586 $47.9 p/Share	54 Reduced 0.24%	22,501 Common Stock
Mar 05 2025	SELL Payment of exercise price or tax liability	$12,595 $46.65 p/Share	270 Reduced 1.19%	22,502 Common Stock
Mar 04 2025	BUY Grant, award, or other acquisition	-	1,653 Added 6.77%	22,772 Common Stock
Mar 03 2025	SELL Payment of exercise price or tax liability	$48,813 $45.45 p/Share	1,074 Reduced 4.84%	21,119 Common Stock
Mar 03 2025	BUY Grant, award, or other acquisition	-	1,814 Added 7.56%	22,193 Common Stock
Dec 09 2024	SELL Payment of exercise price or tax liability	$2,581 $48.7 p/Share	53 Reduced 0.26%	20,340 Common Stock
Dec 02 2024	SELL Payment of exercise price or tax liability	$2,764 $51.19 p/Share	54 Reduced 0.27%	20,300 Common Stock
Nov 22 2024	SELL Open market or private sale	$50,727 $51.5 p/Share	985 Reduced 4.62%	20,354 Common Stock
Sep 09 2024	SELL Payment of exercise price or tax liability	$2,876 $54.28 p/Share	53 Reduced 0.25%	21,339 Common Stock
Sep 03 2024	SELL Payment of exercise price or tax liability	$2,987 $55.33 p/Share	54 Reduced 0.25%	21,325 Common Stock
Jun 07 2024	SELL Payment of exercise price or tax liability	$2,569 $47.59 p/Share	54 Reduced 0.25%	21,379 Common Stock
Jun 05 2024	BUY Grant, award, or other acquisition	$80,185 $49.62 p/Share	1,616 Added 7.01%	21,433 Common Stock
Jun 01 2024	SELL Payment of exercise price or tax liability	$2,694 $49.89 p/Share	54 Reduced 0.27%	19,817 Common Stock
Mar 07 2024	SELL Payment of exercise price or tax liability	$10,126 $46.24 p/Share	219 Reduced 1.02%	21,239 Common Stock
Mar 05 2024	BUY Grant, award, or other acquisition	$73,317 $45.37 p/Share	1,616 Added 7.0%	21,458 Common Stock
Mar 03 2024	SELL Payment of exercise price or tax liability	$2,504 $45.53 p/Share	55 Reduced 0.28%	19,842 Common Stock
Mar 02 2024	SELL Payment of exercise price or tax liability	$56,958 $45.53 p/Share	1,251 Reduced 5.92%	19,897 Common Stock
Mar 02 2024	BUY Grant, award, or other acquisition	-	2,258 Added 9.65%	21,148 Common Stock
Mar 01 2024	SELL Payment of exercise price or tax liability	$2,731 $45.53 p/Share	60 Reduced 0.32%	18,890 Common Stock
Dec 03 2023	SELL Payment of exercise price or tax liability	$2,842 $51.69 p/Share	55 Reduced 0.29%	18,849 Common Stock
Dec 01 2023	SELL Payment of exercise price or tax liability	$2,739 $51.69 p/Share	53 Reduced 0.28%	18,819 Common Stock

MBL

Michael B Luu

SVP Corp Svce & Chief Risk Of

San Jose, CA

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