California Water Service Group
California Water Service Group (CWT) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · CWT · as of Jun 8, 2026
Activity summary
Buy transactions
1
P-Purchase only
Sell transactions
5
12 Months
Buy/Sell ratio
0.20
Buy/Sell (by trades)
Overall sentiment
California Water Service Group insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
CWT insider buying and selling by quarter
CWT insider selling · CWT insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · CWT ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
CWT executive sell shares · CWT board member insider trading · CWT insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 27, 2026 | Snow Lester A Director | Sale | 1,100 | $48K | Form 4 |
| May 21, 2026 | Krummel Thomas M Director | Sale | 3,700 | $160K | Form 4 |
| Mar 20, 2026 | Luu Michael B Sr. VP Corp Svcs & Chief Risk | Sale | 739.848 | $33K | Form 4 |
| Mar 20, 2026 | Mares Michael S JR Vice President, Operations | Sale | 3,892 | $171K | Form 4 |
| Mar 7, 2026 | Scanlon Thomas A VP, Corporate Controller & CAO | Award | 548 | — | Form 4 |
| Mar 7, 2026 | Scanlon Thomas A VP, Corporate Controller & CAO | Other | 226 | $10K | Form 4 |
| Mar 7, 2026 | Scanlon Thomas A VP, Corporate Controller & CAO | Other | 26 | $1K | Form 4 |
| Mar 5, 2026 | Scanlon Thomas A VP, Corporate Controller & CAO | Other | 34 | $2K | Form 4 |
| Mar 7, 2026 | Peters Todd Kenneth Vice President, Engineering | Award | 548 | — | Form 4 |
| Mar 7, 2026 | Peters Todd Kenneth Vice President, Engineering | Other | 296 | $13K | Form 4 |
| Mar 7, 2026 | Peters Todd Kenneth Vice President, Engineering | Other | 34 | $2K | Form 4 |
| Mar 5, 2026 | Peters Todd Kenneth Vice President, Engineering | Other | 44 | $2K | Form 4 |
| Mar 7, 2026 | Ouyang Elissa Y VP Facilities Fleet & Procure | Award | 900 | — | Form 4 |
| Mar 7, 2026 | Ouyang Elissa Y VP Facilities Fleet & Procure | Other | 488 | $22K | Form 4 |
| Mar 7, 2026 | Ouyang Elissa Y VP Facilities Fleet & Procure | Other | 57 | $3K | Form 4 |
| Mar 5, 2026 | Ouyang Elissa Y VP Facilities Fleet & Procure | Other | 74 | $3K | Form 4 |
| Mar 7, 2026 | Mortensen Michelle R VP Corp Sect & Chief of Staff | Award | 900 | — | Form 4 |
| Mar 7, 2026 | Mortensen Michelle R VP Corp Sect & Chief of Staff | Other | 534 | $24K | Form 4 |
| Mar 7, 2026 | Mortensen Michelle R VP Corp Sect & Chief of Staff | Other | 63 | $3K | Form 4 |
| Mar 5, 2026 | Mortensen Michelle R VP Corp Sect & Chief of Staff | Other | 80 | $4K | Form 4 |
| Mar 7, 2026 | Milleman Greg A VP Rates & Regulatory Affairs | Award | 900 | — | Form 4 |
| Mar 7, 2026 | Milleman Greg A VP Rates & Regulatory Affairs | Other | 486 | $22K | Form 4 |
| Mar 7, 2026 | Milleman Greg A VP Rates & Regulatory Affairs | Other | 57 | $3K | Form 4 |
| Mar 5, 2026 | Milleman Greg A VP Rates & Regulatory Affairs | Other | 73 | $3K | Form 4 |
| Mar 7, 2026 | Mares Michael S JR SVP Operations | Award | 900 | — | Form 4 |
Luu Michael B
Sr. VP Corp Svcs & Chief Risk
Date
Mar 20
Shares
739.848
Price
$44.53
Value
$33K
Mares Michael S JR
Vice President, Operations
Date
Mar 20
Shares
3,892
Price
$44.00
Value
$171K
Scanlon Thomas A
VP, Corporate Controller & CAO
Date
Mar 7
Shares
548
Price
—
Value
—
Scanlon Thomas A
VP, Corporate Controller & CAO
Date
Mar 7
Shares
226
Price
$45.59
Value
$10K
Scanlon Thomas A
VP, Corporate Controller & CAO
Date
Mar 7
Shares
26
Price
$45.59
Value
$1K
Scanlon Thomas A
VP, Corporate Controller & CAO
Date
Mar 5
Shares
34
Price
$45.78
Value
$2K
Peters Todd Kenneth
Vice President, Engineering
Date
Mar 7
Shares
548
Price
—
Value
—
Peters Todd Kenneth
Vice President, Engineering
Date
Mar 7
Shares
296
Price
$45.59
Value
$13K
Peters Todd Kenneth
Vice President, Engineering
Date
Mar 7
Shares
34
Price
$45.59
Value
$2K
Peters Todd Kenneth
Vice President, Engineering
Date
Mar 5
Shares
44
Price
$45.78
Value
$2K
Ouyang Elissa Y
VP Facilities Fleet & Procure
Date
Mar 7
Shares
900
Price
—
Value
—
Ouyang Elissa Y
VP Facilities Fleet & Procure
Date
Mar 7
Shares
488
Price
$45.59
Value
$22K
Ouyang Elissa Y
VP Facilities Fleet & Procure
Date
Mar 7
Shares
57
Price
$45.59
Value
$3K
Ouyang Elissa Y
VP Facilities Fleet & Procure
Date
Mar 5
Shares
74
Price
$45.78
Value
$3K
Mortensen Michelle R
VP Corp Sect & Chief of Staff
Date
Mar 7
Shares
900
Price
—
Value
—
Mortensen Michelle R
VP Corp Sect & Chief of Staff
Date
Mar 7
Shares
534
Price
$45.59
Value
$24K
Mortensen Michelle R
VP Corp Sect & Chief of Staff
Date
Mar 7
Shares
63
Price
$45.59
Value
$3K
Mortensen Michelle R
VP Corp Sect & Chief of Staff
Date
Mar 5
Shares
80
Price
$45.78
Value
$4K
Milleman Greg A
VP Rates & Regulatory Affairs
Date
Mar 7
Shares
900
Price
—
Value
—
Milleman Greg A
VP Rates & Regulatory Affairs
Date
Mar 7
Shares
486
Price
$45.59
Value
$22K
Milleman Greg A
VP Rates & Regulatory Affairs
Date
Mar 7
Shares
57
Price
$45.59
Value
$3K
Milleman Greg A
VP Rates & Regulatory Affairs
Date
Mar 5
Shares
73
Price
$45.78
Value
$3K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About CWT insider trading
CWT insider trades
California Water Service Group (CWT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Luu Michael B (Sr. VP Corp Svcs & Chief Risk), Scanlon Thomas A (VP, Corporate Controller & CAO), Ouyang Elissa Y (VP Facilities Fleet & Procure). Over the past 12 months, 5 insiders have filed transactions with the SEC. CWT insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For California Water Service Group's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
CWT insider trading · 5 questionsThe insiders of California Water Service Group (CWT) include executives and directors such as Luu Michael B (Sr. VP Corp Svcs & Chief Risk), Scanlon Thomas A (VP, Corporate Controller & CAO), Ouyang Elissa Y (VP Facilities Fleet & Procure), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026