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CALIFORNIA WATER SERVICE GROUP

CWT · Water Supply · 59.9M shares · +4%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$1M (gross $2M, SBC $3M)

Reference price $44.00 · est. market cap ~$2.6B — last insider sale, 2026-05-27 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

C61

Stable regulated water utility with mid-pack returns and a down earnings year.

Strengths

Risks

Notable findings

Quarterly revenue

2025-06-30 · $256M2025-09-30 · $314M2025-12-31 · $211M2026-03-31 · $197M

Last 4 quarters · from SEC filings.

Key metrics

Operating margin
17.7%
Net margin
13.3%
Return on assets
2.3%
Revenue growth (QoQ)
-6.3%
Net-income growth
-32.8%
Net debt / EBITDA
4.5×
Current ratio
0.8×
EBITDA
$317M
Cash & investments
$52M
Stock comp / revenue
0.5%

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-06-05Milleman Greg ATax withheld66$45.82
2026-06-05Peters Todd KennethTax withheld40$45.82
2026-06-05Ouyang Elissa YTax withheld66$45.82
2026-06-05Scanlon Thomas ATax withheld30$45.82
2026-06-05Dean Shannon CTax withheld73$45.82
2026-06-05Jenkins Kenneth GTax withheld38$45.82
2026-06-05Mortensen Michelle RTax withheld73$45.82
2026-06-05Mares Michael S JRTax withheld68$45.82
2026-06-05Luu Michael BTax withheld69$45.82
2026-06-05James Sophie MarwiehTax withheld50$45.82
2026-06-05Lynch James PatrickTax withheld49$45.82
2026-06-05Bunting Shawn CTax withheld69$45.82
2026-06-05KROPELNICKI MARTIN ATax withheld493$45.82
2026-06-04KROPELNICKI MARTIN ATax withheld504$45.24
2026-06-04James Sophie MarwiehTax withheld51$45.24
2026-06-04Peters Todd KennethTax withheld40$45.24
2026-06-04HAMNER KRISTAN ATax withheld41$45.24
2026-06-04Bunting Shawn CTax withheld70$45.24
2026-06-04Scanlon Thomas ATax withheld30$45.24
2026-06-04Jenkins Kenneth GTax withheld63$45.24
2026-06-04Mares Michael S JRTax withheld69$45.24
2026-06-04Milleman Greg ATax withheld67$45.24
2026-06-04Ouyang Elissa YTax withheld67$45.24
2026-06-04Dean Shannon CTax withheld74$45.24
2026-06-04Mortensen Michelle RTax withheld74$45.24
2026-06-04Luu Michael BTax withheld70$45.24
2026-06-04Lynch James PatrickTax withheld49$45.24
2026-05-27Snow Lester ASell1.1K$44.00
2026-05-21Krummel Thomas MSell3.7K$43.30
2026-03-20Luu Michael BSell740$44.53
2026-03-20Mares Michael S JRSell3.9K$44.00
2026-03-07James Sophie MarwiehGrant548
2026-03-07James Sophie MarwiehTax withheld232$45.59
2026-03-07James Sophie MarwiehTax withheld27$45.59
2026-03-07Jenkins Kenneth GGrant548
2026-03-07Jenkins Kenneth GTax withheld281$45.59
2026-03-07Jenkins Kenneth GTax withheld33$45.59
2026-03-07Bunting Shawn CGrant750
2026-03-07Bunting Shawn CTax withheld422$45.59
2026-03-07Bunting Shawn CTax withheld49$45.59
2026-03-07Peters Todd KennethGrant548
2026-03-07Peters Todd KennethTax withheld296$45.59
2026-03-07Peters Todd KennethTax withheld34$45.59
2026-03-07Scanlon Thomas AGrant548
2026-03-07Scanlon Thomas ATax withheld226$45.59
2026-03-07Scanlon Thomas ATax withheld26$45.59
2026-03-07Mares Michael S JRGrant900
2026-03-07Mares Michael S JRTax withheld495$45.59
2026-03-07Mares Michael S JRTax withheld58$45.59
2026-03-07Milleman Greg AGrant900
2026-03-07Milleman Greg ATax withheld486$45.59
2026-03-07Milleman Greg ATax withheld57$45.59
2026-03-07Ouyang Elissa YGrant900
2026-03-07Ouyang Elissa YTax withheld488$45.59
2026-03-07Ouyang Elissa YTax withheld57$45.59
2026-03-07Dean Shannon CGrant900
2026-03-07Dean Shannon CTax withheld531$45.59
2026-03-07Dean Shannon CTax withheld62$45.59
2026-03-07Mortensen Michelle RGrant900
2026-03-07Mortensen Michelle RTax withheld534$45.59
2026-03-07Mortensen Michelle RTax withheld63$45.59
2026-03-07Luu Michael BGrant900
2026-03-07Luu Michael BTax withheld504$45.59
2026-03-07Luu Michael BGrant205
2026-03-07Luu Michael BTax withheld115$45.59
2026-03-07Luu Michael BTax withheld59$45.59
2026-03-07KROPELNICKI MARTIN AGrant6.5K
2026-03-07KROPELNICKI MARTIN ATax withheld3.8K$45.59
2026-03-07KROPELNICKI MARTIN ATax withheld385$45.59
2026-03-05Lynch James PatrickTax withheld56$45.78
2026-03-05KROPELNICKI MARTIN ATax withheld493$45.78
2026-03-05Jenkins Kenneth GTax withheld42$45.78
2026-03-05Milleman Greg ATax withheld73$45.78
2026-03-05Bunting Shawn CTax withheld76$45.78
2026-03-05Mares Michael S JRTax withheld75$45.78
2026-03-05James Sophie MarwiehTax withheld57$45.78
2026-03-05Peters Todd KennethTax withheld44$45.78
2026-03-05Luu Michael BTax withheld76$45.78
2026-03-05Mortensen Michelle RTax withheld80$45.78
2026-03-05Scanlon Thomas ATax withheld34$45.78
2026-03-05Dean Shannon CTax withheld80$45.78
2026-03-05Ouyang Elissa YTax withheld74$45.78
2026-03-04Mortensen Michelle RTax withheld327$46.99
2026-03-04Peters Todd KennethTax withheld179$46.99
2026-03-04Lynch James PatrickTax withheld226$46.99
2026-03-04Mares Michael S JRTax withheld303$46.99
2026-03-04Dean Shannon CTax withheld325$46.99
2026-03-04James Sophie MarwiehTax withheld233$46.99
2026-03-04Milleman Greg ATax withheld298$46.99
2026-03-04Luu Michael BTax withheld309$46.99
2026-03-04Scanlon Thomas ATax withheld137$46.99
2026-03-04Jenkins Kenneth GTax withheld283$46.99
2026-03-04KROPELNICKI MARTIN ATax withheld2.0K$46.99
2026-03-04Ouyang Elissa YTax withheld299$46.99
2026-03-04Bunting Shawn CTax withheld310$46.99
2026-03-04HAMNER KRISTAN ATax withheld190$46.99
2026-03-03Patton Charles R.Grant2.8K
2026-03-03HAMNER KRISTAN AGrant1.6K
2026-03-03Kightlinger JeffreyGrant2.8K
2026-03-03James Sophie MarwiehGrant1.6K
2026-03-03Jenkins Kenneth GGrant1.6K
2026-03-03Bunting Shawn CGrant1.6K
2026-03-03Peters Todd KennethGrant1.6K
2026-03-03Scanlon Thomas AGrant1.6K
2026-03-03Maldonado Yvonne AidaGrant2.8K
2026-03-03Mares Michael S JRGrant1.6K
2026-03-03Milleman Greg AGrant1.6K
2026-03-03Esque Shelly MarianGrant2.8K
2026-03-03Pottenger Carol MGrant2.8K
2026-03-03Ouyang Elissa YGrant1.6K
2026-03-03Wagner Patricia KGrant2.8K
2026-03-03Aliff Gregory EGrant2.8K
2026-03-03Dean Shannon CGrant1.6K
2026-03-03Mortensen Michelle RGrant1.6K
2026-03-03Luu Michael BGrant1.6K
2026-03-03Snow Lester AGrant2.8K
2026-03-03Lynch James PatrickGrant1.6K
2026-03-03Krummel Thomas MGrant2.8K
2026-03-03KROPELNICKI MARTIN AGrant10K
2026-03-03MORRIS SCOTT LGrant2.8K
2025-12-23Mortensen Michelle RSell924$43.34
2025-12-10Lynch James PatrickBuy550$42.80
2025-12-07Mortensen Michelle RTax withheld57$44.88
2025-12-07James Sophie MarwiehTax withheld24$44.88
2025-12-07Jenkins Kenneth GTax withheld29$44.88
2025-12-07Bunting Shawn CTax withheld45$44.88
2025-12-07Milleman Greg ATax withheld51$44.88
2025-12-07Ouyang Elissa YTax withheld52$44.88
2025-12-07Luu Michael BDisposition54$44.88
2025-12-07Mares Michael S JRTax withheld53$44.88
2025-12-07KROPELNICKI MARTIN ATax withheld385$44.88
2025-12-07Dean Shannon CTax withheld57$44.88
2025-12-07Scanlon Thomas ATax withheld23$44.88
2025-12-05Dean Shannon CTax withheld73$44.88
2025-12-05James Sophie MarwiehTax withheld50$44.88
2025-12-05Jenkins Kenneth GTax withheld38$44.88
2025-12-05Bunting Shawn CTax withheld69$44.88
2025-12-05Scanlon Thomas ATax withheld29$44.88
2025-12-05Mares Michael S JRTax withheld67$44.88
2025-12-05Milleman Greg ATax withheld66$44.88
2025-12-05Ouyang Elissa YTax withheld66$44.88
2025-12-05Mortensen Michelle RTax withheld73$44.88
2025-12-05Luu Michael BTax withheld69$44.88
2025-12-05Lynch James PatrickTax withheld48$44.88
2025-12-05KROPELNICKI MARTIN ATax withheld492$44.88
2025-12-05KROPELNICKI MARTIN AGift3.0K
2025-09-07Luu Michael BTax withheld54$47.09
2025-09-07Milleman Greg ATax withheld51$47.09
2025-09-07KROPELNICKI MARTIN ATax withheld385$47.09
2025-09-07Mortensen Michelle RTax withheld57$47.09
2025-09-07Jenkins Kenneth GTax withheld29$47.09
2025-09-07Mares Michael S JRTax withheld53$47.09
2025-09-07James Sophie MarwiehTax withheld24$47.09
2025-09-07Scanlon Thomas ATax withheld23$47.09
2025-09-07Dean Shannon CTax withheld57$47.09
2025-09-07Ouyang Elissa YTax withheld52$47.09
2025-09-07Bunting Shawn CTax withheld45$47.09
2025-09-05Bunting Shawn CTax withheld69$47.09
2025-09-05Ouyang Elissa YTax withheld66$47.09
2025-09-05Mortensen Michelle RTax withheld73$47.09
2025-09-05Scanlon Thomas ATax withheld29$47.09
2025-09-05Milleman Greg ATax withheld66$47.09
2025-09-05Mares Michael S JRTax withheld67$47.09
2025-09-05Lynch James PatrickTax withheld48$47.09
2025-09-05Luu Michael BTax withheld69$47.09
2025-09-05KROPELNICKI MARTIN ATax withheld492$47.09
2025-09-05Jenkins Kenneth GTax withheld38$47.09
2025-09-05James Sophie MarwiehTax withheld50$47.09
2025-09-05Dean Shannon CTax withheld73$47.09
2025-06-12Snow Lester ASell1.2K$46.51
2025-06-07Milleman Greg ATax withheld51$45.62
2025-06-07Luu Michael BTax withheld54$45.62
2025-06-07KROPELNICKI MARTIN ATax withheld352$45.62
2025-06-07Jenkins Kenneth GTax withheld29$45.62
2025-06-07Bunting Shawn CTax withheld45$45.62
2025-06-07Mares Michael S JRTax withheld53$45.62
2025-06-07James Sophie MarwiehTax withheld24$45.62
2025-06-07Mortensen Michelle RTax withheld57$45.62
2025-06-07Dean Shannon CTax withheld57$45.62
2025-06-07Scanlon Thomas ATax withheld23$45.62
2025-06-07Ouyang Elissa YTax withheld52$45.62
2025-06-06Ouyang Elissa YTax withheld64$45.85
2025-06-05Mortensen Michelle RTax withheld71$45.85
2025-06-05Milleman Greg ATax withheld64$45.85
2025-06-05Mares Michael S JRTax withheld65$45.85
2025-06-05Lynch James PatrickTax withheld47$45.85
2025-06-05Luu Michael BTax withheld67$45.85
2025-06-05KROPELNICKI MARTIN ATax withheld438$45.85
2025-06-05Jenkins Kenneth GTax withheld36$45.85
2025-06-05James Sophie MarwiehTax withheld48$45.85
2025-06-05Dean Shannon CTax withheld71$45.85
2025-06-05Bunting Shawn CTax withheld67$45.85
2025-06-05Scanlon Thomas ATax withheld28$45.85
2025-03-07Bunting Shawn CTax withheld50$47.90
2025-03-07Webb Ronald DTax withheld49$47.90
2025-03-07Ouyang Elissa YTax withheld56$47.90
2025-03-07Mortensen Michelle RTax withheld63$47.90
2025-03-07Milleman Greg ATax withheld56$47.90
2025-03-07Mares Michael S JRTax withheld53$47.90
2025-03-07Luu Michael BTax withheld54$47.90
2025-03-07KROPELNICKI MARTIN ATax withheld332$47.90
2025-03-07Jenkins Kenneth GTax withheld33$47.90
2025-03-07James Sophie MarwiehTax withheld27$47.90
2025-03-07Scanlon Thomas ATax withheld26$47.90
2025-03-07Dean Shannon CTax withheld56$47.90
2025-03-05Luu Michael BTax withheld270$46.65
2025-03-05Webb Ronald DTax withheld280$46.65
2025-03-05Mortensen Michelle RTax withheld319$46.65
2025-03-05Milleman Greg ATax withheld291$46.65
2025-03-05Mares Michael S JRTax withheld296$46.65
2025-03-05James Sophie MarwiehTax withheld227$46.65
2025-03-05Dean Shannon CTax withheld314$46.65
2025-03-05Ouyang Elissa YTax withheld292$56.65
2025-03-05KROPELNICKI MARTIN ATax withheld1.7K$46.65
2025-03-05Lynch James PatrickTax withheld221$56.65
2025-03-05Bunting Shawn CTax withheld303$46.65
2025-03-05Scanlon Thomas ATax withheld134$46.65
2025-03-05Jenkins Kenneth GTax withheld166$46.65
2025-03-04Aliff Gregory EGrant2.6K
2025-03-04Ouyang Elissa YGrant1.7K
2025-03-04Wagner Patricia KGrant2.6K
2025-03-04Snow Lester AGrant2.6K
2025-03-04Pottenger Carol MGrant2.6K
2025-03-04Patton Charles R.Grant2.6K
2025-03-04MORRIS SCOTT LGrant2.6K
2025-03-04Maldonado Yvonne AidaGrant2.6K
2025-03-04Krummel Thomas MGrant2.6K
2025-03-04Kightlinger JeffreyGrant2.6K
2025-03-04Esque Shelly MarianGrant2.6K
2025-03-04Scanlon Thomas AGrant992
2025-03-04HAMNER KRISTEN AGrant1.4K
2025-03-04James Sophie MarwiehGrant1.7K
2025-03-04Dean Shannon CGrant1.7K
2025-03-04Webb Ronald DGrant1.7K
2025-03-04Mortensen Michelle RGrant1.7K
2025-03-04Mares Michael S JRGrant1.7K
2025-03-04Luu Michael BGrant1.7K
2025-03-04Jenkins Kenneth GGrant1.7K
2025-03-04Milleman Greg AGrant1.7K
2025-03-04KROPELNICKI MARTIN AGrant10K
2025-03-04Lynch James PatrickGrant1.7K
2025-03-04Bunting Shawn CGrant1.7K
2025-03-03Webb Ronald DTax withheld57$45.45
2025-03-03Ouyang Elissa YTax withheld982$45.45
2025-03-03Mortensen Michelle RGrant1.8K
2025-03-03Mortensen Michelle RTax withheld1.1K$45.45
2025-03-03Mortensen Michelle RTax withheld63$45.45
2025-03-03KROPELNICKI MARTIN AGrant127K
2025-03-03Mares Michael S JRGrant1.8K
2025-03-03Ouyang Elissa YTax withheld58$45.45
2025-03-03Mares Michael S JRTax withheld995$45.45
2025-03-03Mares Michael S JRTax withheld59$45.45
2025-03-03KROPELNICKI MARTIN ATax withheld6.3K$45.45
2025-03-03Luu Michael BGrant1.8K
2025-03-03Luu Michael BTax withheld1.0K$45.45
2025-03-03Luu Michael BTax withheld60$45.45
2025-03-03KROPELNICKI MARTIN ATax withheld264$45.45
2025-03-03Jenkins Kenneth GGrant1.1K
2025-03-03Jenkins Kenneth GTax withheld537$45.45
2025-03-03Jenkins Kenneth GTax withheld33$45.45
2025-03-03Ouyang Elissa YGrant1.8K
2025-03-03Milleman Greg AGrant1.8K
2025-03-03James Sophie MarwiehGrant1.1K
2025-03-03James Sophie MarwiehTax withheld443$45.45
2025-03-03James Sophie MarwiehTax withheld27$45.45
2025-03-03Milleman Greg ATax withheld977$45.45
2025-03-03Dean Shannon CGrant1.8K
2025-03-03Dean Shannon CTax withheld1.1K$45.45
2025-03-03Dean Shannon CTax withheld63$45.45
2025-03-03Milleman Greg ATax withheld58$45.45
2025-03-03Webb Ronald DGrant1.8K
2025-03-03Webb Ronald DTax withheld959$45.45

All non-derivative Form 4 activity (SEC), newest first.

Notable events (8-K)

DateItems
2026-05-21Shareholder votefiling ↗
2026-05-20Reg FDExhibitsfiling ↗
2026-05-01OtherExhibitsfiling ↗
2026-04-30ResultsExhibitsfiling ↗
2026-04-29OtherExhibitsfiling ↗
2026-03-18OtherExhibitsfiling ↗
2026-03-05Reg FDfiling ↗
2026-02-25ResultsReg FDOtherExhibitsfiling ↗

Recent filings

FormFiledPeriodAccession
8-K2026-05-212026-05-200001104659-26-065135 ↗
8-K2026-05-202026-05-200001104659-26-064607 ↗
8-K2026-05-012026-04-300001104659-26-053556 ↗
10-Q2026-04-302026-03-310001628280-26-028730 ↗
8-K2026-04-302026-04-290001104659-26-051949 ↗
8-K2026-04-292026-04-290001104659-26-051525 ↗
8-K2026-03-182026-03-170001104659-26-029717 ↗
8-K2026-03-052026-03-020001104659-26-023979 ↗
10-K2026-02-272025-12-310001628280-26-012444 ↗
8-K2026-02-252026-02-250001104659-26-019681 ↗
8-K2026-01-282026-01-280001104659-26-007493 ↗
8-K2025-11-202025-11-180001104659-25-114449 ↗