Mark Brosius sold $91k of ISRG
EVP & Chief Mfg and Supply Cha at INTUITIVE SURGICAL INC. 231 shares at an average of $392.98, traded Aug 17, 2026, filed Aug 19, 2026.
Score components
- +15RoleOfficer
- +9Trade size$91k at market
- +5Share of holdings soldSold 18% of holdings
- +15Cluster4 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0002010300-26-000027, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 17, 2026 | SOpen-market sale Common Stock10b5-1 | -77 | $390.67 | $30k | 1,189 | Aug 19, 2026 |
| Aug 18, 2026 | SOpen-market sale Common Stock10b5-1 | -77 | $394.00 | $30k | 1,112 | Aug 19, 2026 |
| Aug 19, 2026 | SOpen-market sale Common Stock10b5-1 | -77 | $394.26 | $30k | 1,035 | Aug 19, 2026 |
Related signals
Other insiders at INTUITIVE SURGICAL INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 24Weak | INTUITIVE SURGICAL INC | Fredrik Widman VP Corporate Controller | $408k 1,089 shares | -69% | |
| 3Weak | INTUITIVE SURGICAL INC | Mark Brosius EVP & Chief Mfg and Supply Cha | $17k 48 shares | -6% | |
| 3Weak | INTUITIVE SURGICAL INC | Mark Brosius EVP & Chief Mfg and Supply Cha | $25k 69 shares | -8% | |
| 22Weak | INTUITIVE SURGICAL INC | Mark Brosius EVP & Chief Mfg and Supply Cha | $59k 154 shares | -15% | |
| 35Weak | INTUITIVE SURGICAL INC | Gary S Guthart CEO | $4.0M 10,000 shares | -1% | |
| 42Moderate | INTUITIVE SURGICAL INC | Amy L Ladd director | $180k 472 shares | -73% | |
| 21Weak | INTUITIVE SURGICAL INC | Gary Loeb EVP & Chief Legal and Complian | $152k 400 shares | -7% | |
| 10Weak | INTUITIVE SURGICAL INC | Mark Brosius EVP & Chief Mfg and Supply Cha | $20k 56 shares | -4% | |
| 15Weak | INTUITIVE SURGICAL INC | Mark Brosius EVP & Chief Mfg and Supply Cha | $30k 84 shares | -6% | |
| 10Weak | INTUITIVE SURGICAL INC | Mark Brosius EVP & Chief Mfg and Supply Cha | $20k 48 shares | -3% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.