| 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
Mark J Rubash last filed a Form 4 in May 2025, as Director at ISRG. The filings on record cover 2 companies. Mark J Rubash's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
Historically, Mark J Rubash's trades have earned a below-average insider score of 37/100 across 4 rated trades. Over a 12-month horizon, 25.0% of those trades were profitable, with an average 12-month return of -11.9%.
At the last filing, the largest reported position was 16,790 shares of ISRG. The ISRG filings lean toward selling, a net 61,984 shares.
Mark J Rubash has 43 Form 4 filings on record from January 2015 to May 2025, across 2 companies: Director at iRhythm (IRTC), 2017–2025; Director at Intuitive Surgical (ISRG), 2015–2025.
The 143 reported transactions were 65 option exercises, 55 open-market sales, 14 option or other derivative awards and 9 stock awards.
Counted by filing, the open-market trades come to no purchases and 22 sales.
The largest open-market sale was 3,000 shares of ISRG at an average $931.51 on June 8, 2017, about $2.8M.
1 of the 4 sales since April 2023 was made under a Rule 10b5-1 trading plan; the other 3 were not.
Shares as reported in the last Form 4 for each company; the most recent is from May 2025. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 3, 2024 | ISRG Intuitive Surgical Inc | Director | Sale+OE10b5-1 | 1,709 | $380.00 | $649,420.00 | -9.6% | +18.2% | +38.8% | |
| Apr 28, 2023 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 7,323 | $300.00 | $2,196,900.00 | -32.1% | +7.4% | +24.6% | |
| Apr 21, 2023 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 8,135 | $297.93 | $2,423,688.80 | -35.2% | +15.8% | +22.0% | |
| Apr 21, 2023 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 1,683 | $297.92 | $501,401.37 | -10.1% | +15.8% | +22.0% | |
| Sep 9, 2021 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 1,196 | $1,083.16 | $1,295,459.36 | -19.9% | -4.4% | -37.9% | |
| Aug 31, 2020 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 1,000 | $723.73 | $723,730.00 | -18.0% | - | - | |
| Nov 19, 2019 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 1,000 | $580.00 | $580,000.00 | -18.9% | - | - | |
| Aug 31, 2018 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 350 | $560.00 | $196,000.00 | -8.1% | - | - | |
| Aug 27, 2018 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 150 | $543.66 | $81,549.00 | -3.6% | - | - | |
| Jun 5, 2018 | ISRG Intuitive Surgical Inc | Director | Sale+OE | 1,000 | $490.00 | $490,000.00 | -20.1% | - | - |