| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
2 companies
Thomas M Krummel is Director at PRCT and has filed Form 4s across 2 companies. Thomas M Krummel's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $2.0M at current prices.
Historically, Thomas M Krummel's trades have earned a middling insider score of 68/100 across 18 rated trades. Over a 12-month horizon, 82.4% of those trades were profitable, with an average 12-month return of +7.3%.
The biggest single holding is CWT (~$1.0M) as Director. The CWT filings lean toward selling, a net 19,932 shares.
Thomas M Krummel has 34 Form 4 filings on record from March 2019 to August 2026, across 2 companies: Director at California Water Service Group (CWT), 2019–2026; Director at PROCEPT BioRobotics (PRCT), 2021–2024.
The 44 reported transactions were 21 open-market sales, 13 stock awards, 4 option or other derivative awards and 3 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 1 purchase worth about $125K and 18 sales worth about $3.9M.
The only open-market purchase was 5,000 shares of PRCT at an average $25.00 on September 17, 2021, about $125K. Twelve months later PRCT was up 4%.
The largest open-market sale was 20,000 shares of PRCT at an average $60.00 on May 1, 2024, about $1.2M. Twelve months later PRCT was down 13%.
13 of the 15 sales since April 2023 were made under a Rule 10b5-1 trading plan; the other 2 were not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 | CWT California Water Service Group | Director | Sell | 3,700 | $50.37 | $186,350.50 | -15.5% | - | - | |
| May 21, 2026 | CWT California Water Service Group | Director | Sell | 3,700 | $43.30 | $160,214.44 | -13.5% | +15.5% | - | |
| Sep 4, 2024 | CWT California Water Service Group | Director | Sell10b5-1 | 555 | $55.09 | $30,574.95 | -2.5% | -9.8% | -15.2% | |
| Aug 21, 2024 | CWT California Water Service Group | Director | Sell10b5-1 | 555 | $54.33 | $30,153.15 | -2.4% | -5.2% | -13.9% | |
| Aug 7, 2024 | CWT California Water Service Group | Director | Sell10b5-1 | 555 | $52.91 | $29,364.05 | -2.4% | -4.8% | -12.7% | |
| Jul 17, 2024 | CWT California Water Service Group | Director | Sell10b5-1 | 555 | $52.99 | $29,408.67 | -2.3% | +1.8% | -14.2% | |
| Jul 11, 2024 | CWT California Water Service Group | Director | Sell10b5-1 | 1,654 | $50.07 | $82,815.78 | -6.4% | +1.7% | -10.1% | |
| May 15, 2024 | CWT California Water Service Group | Director | Sell10b5-1 | 555 | $53.26 | $29,556.91 | -2.3% | -0.2% | -12.5% | |
| May 1, 2024 | CWT California Water Service Group | Director | Sell10b5-1 | 2,220 | $50.00 | $111,000.00 | -8.5% | +7.0% | +0.8% | |
| May 1, 2024 | PRCT Procept Biorobotics Corp | Director | Sell10b5-1 | 20,000 | $60.00 | $1,200,000.00 | -30.5% | +3.4% | -12.8% |