ITS
InsiderTrading
TradesInsidersCompaniesCluster BuysRankingsAbout
ITS
InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

  • Trades
  • Insiders
  • Companies
  • Cluster Buys
  • Rankings

Top Insiders

  • Mark Zuckerberg
  • Elon Musk
  • Jamie Dimon
  • Satya Nadella
  • Lisa Su
  • Jensen Huang

Screeners

  • CEO & CFO Purchases
  • Director Purchases
  • Top Buys This Week
  • Top Sales This Week
  • 10b5-1 Trades
  • Buy/Sell Ratios
  • Politician Overlap
  • Sectors

Learn

  • Learn
  • What is a Form 4?
  • About & Methodology
  • What are Cluster Buys?
  • Top Insider Rankings
  • Contact Us
  • Privacy Policy
  • Terms of Use

Data

  • SEC EDGAR Form 4 ↗
  • CongressStock.com ↗
  • Track13F.com ↗
  • About the data
© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.
Home/Companies/California Water Service Group

California Water Service Group

218 insider trades tracked

CWT
Insider trades
218
Bought (open market)
$24K
Sold (open market)
$807K
Acquired (grants)
$2.9M
Unique insiders
26

12-month activity

Monthly insider buy vs sell totals for California Water Service Group.

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$00
November 2025$0$00
December 2025$24K$40K26
January 2026$0$00
February 2026$0$00
March 2026$0$204K91
April 2026$0$00
May 2026$0$209K2
June 2026$0$027
July 2026$0$00
August 2026$0$186K2
September 2026$0$25K1

Recent insider trades

Most recent Form 4 filings for California Water Service Group.

  • Snow Lester Asold500 shares ofCWTat $50.21$25KSep 1Details
  • Krummel Thomas Msold3,700 shares ofCWTat $50.365$186KAug 13 · filed Aug 14Details
  • Shimansky Gregory Dalegranted446 shares ofCWTat $0Aug 4 · filed Aug 5Details

Insiders at this company

Executives and directors who have filed Form 4s.

  • James Sophie Marwieh18 trades
  • Luu Michael B17 trades
  • Bunting Shawn C16 trades
  • Scanlon Thomas A16 trades
  • KROPELNICKI MARTIN A15 trades
  • Mortensen Michelle R15 trades
  • Dean Shannon C15 trades
  • Mares Michael S JR15 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
  • James Sophie Marwiehtax-withheld50 shares ofCWTat $45.82$2KJun 5 · filed Jun 8Details
  • Jenkins Kenneth Gtax-withheld38 shares ofCWTat $45.82$2KJun 5 · filed Jun 8Details
  • Bunting Shawn Ctax-withheld69 shares ofCWTat $45.82$3KJun 5 · filed Jun 8Details
  • Peters Todd Kennethtax-withheld40 shares ofCWTat $45.82$2KJun 5 · filed Jun 8Details
  • Scanlon Thomas Atax-withheld30 shares ofCWTat $45.82$1KJun 5 · filed Jun 8Details
  • Mares Michael S JRtax-withheld68 shares ofCWTat $45.82$3KJun 5 · filed Jun 8Details
  • Milleman Greg Atax-withheld66 shares ofCWTat $45.82$3KJun 5 · filed Jun 8Details
  • Ouyang Elissa Ytax-withheld66 shares ofCWTat $45.82$3KJun 5 · filed Jun 8Details
  • Dean Shannon Ctax-withheld73 shares ofCWTat $45.82$3KJun 5 · filed Jun 8Details
  • Mortensen Michelle Rtax-withheld73 shares ofCWTat $45.82$3KJun 5 · filed Jun 8Details
  • Luu Michael Btax-withheld69 shares ofCWTat $45.82$3KJun 5 · filed Jun 8Details
  • Lynch James Patricktax-withheld49 shares ofCWTat $45.82$2KJun 5 · filed Jun 8Details
  • KROPELNICKI MARTIN Atax-withheld493 shares ofCWTat $45.82$23KJun 5 · filed Jun 8Details
  • HAMNER KRISTAN Atax-withheld41 shares ofCWTat $45.24$2KJun 4 · filed Jun 8Details
  • James Sophie Marwiehtax-withheld51 shares ofCWTat $45.24$2KJun 4 · filed Jun 8Details
  • Jenkins Kenneth Gtax-withheld63 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Bunting Shawn Ctax-withheld70 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Peters Todd Kennethtax-withheld40 shares ofCWTat $45.24$2KJun 4 · filed Jun 8Details
  • Scanlon Thomas Atax-withheld30 shares ofCWTat $45.24$1KJun 4 · filed Jun 8Details
  • Mares Michael S JRtax-withheld69 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Milleman Greg Atax-withheld67 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Ouyang Elissa Ytax-withheld67 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Dean Shannon Ctax-withheld74 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Mortensen Michelle Rtax-withheld74 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Luu Michael Btax-withheld70 shares ofCWTat $45.24$3KJun 4 · filed Jun 8Details
  • Lynch James Patricktax-withheld49 shares ofCWTat $45.24$2KJun 4 · filed Jun 8Details
  • KROPELNICKI MARTIN Atax-withheld504 shares ofCWTat $45.24$23KJun 4 · filed Jun 8Details
  • View all trades for CWT →
    Ouyang Elissa Y
    14 trades
  • Milleman Greg A14 trades
  • Jenkins Kenneth G12 trades
  • Lynch James Patrick9 trades
  • Peters Todd Kenneth8 trades
  • Krummel Thomas M6 trades
  • HAMNER KRISTAN A4 trades
  • Snow Lester A4 trades
  • Kightlinger Jeffrey3 trades
  • Webb Ronald D2 trades
  • Aliff Gregory E2 trades
  • Patton Charles R.2 trades