// company-profile

California Water Service Group

CWT
ExchangeNYSESectorWater SupplyInc.DEFilings349Insiders30
// api This California Water Service Group insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $160K across 28 transactions.

// 90-day insight

Over the last 90 days, California Water Service Group insiders sold $320K across 29 transactions with no open-market purchases.

  • Most active insider: KROPELNICKI MARTIN A with 2 transactions totaling $45K.
  • Largest single sale: $160K by Krummel Thomas M on May 21, 2026.

Activity skews bearish — sales outpace buys.

Institutional Ownership

Top 13F-HR holders of California Water Service Group as of 2026-03-31

↑ increasing
Total reported AUM
$1.89B
QoQ change
+24.2%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$292.3M
6.4M shares
#2
STATE STREET CORP
CIK 93751
$140.7M
3.1M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$120.8M
2.7M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 5, 2026Lynch James PatrickCWT
Tax Withholding
49$45.82$2K
Jun 5, 2026Jenkins Kenneth GCWT
Tax Withholding
38$45.82$2K
Jun 5, 2026Scanlon Thomas ACWT
Tax Withholding
30$45.82$1K
Jun 5, 2026Dean Shannon CCWT
Tax Withholding
73$45.82$3K
Jun 5, 2026Milleman Greg ACWT
Tax Withholding
66$45.82$3K

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.