Robert W. Duggan is Director at INTUITIVE SURGICAL INC (ISRG). They have made 148 open-market trades across 6 companies since 2006, most recently 2026-06-12.
CIK 0001055919
102 open-market purchases totalling $1.3B since 2006, against 46 sales. Across 74 scored buys the stock is up 8.1% at ninety days, and 3.6 points ahead of the S&P over the same stretch.
74 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 54% | 55% | 54% |
| Avg Move | +3.4% | +4.4% | +8.1% |
| Alpha | +3.3% | +4.1% | +3.6% |
| Scored | 74 | 74 | 74 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SMMT | BUY | 2026-06-12 | 2026-06-12 | $13.12 | $50.0M | -1.1% | +6.5% | +18.4% |
| SMMT | BUY | 2026-06-04 | 2026-06-04 | $14.60 | $1.5M | -9.1% | +4.4% | -4.3% |
| PLSE | BUY | 2026-05-11 | 2026-05-11 | $19.69 | $13.0M | +19.2% | +16.5% | +93.3% |
| SMMT | BUY | 2025-10-21 | 2025-10-23 | $18.74 | $1000K | -12.0% | -10.2% | -15.2% |
| SMMT | BUY | 2025-09-10 | 2025-09-11 | $17.68 | $11.9M | -3.4% | +15.7% | -9.5% |
| PLSE | BUY | 2024-12-13 | 2024-12-17 | $17.18 | $1.9M | -11.4% | -11.5% | -19.5% |
| PLES | BUY | 2024-12-12 | 2024-12-17 | $17.13 | $1.6M | N/A | N/A | N/A |
| PLSE | BUY | 2024-12-11 | 2024-12-13 | $17.35 | $1.9M | +1.2% | -2.6% | -8.2% |
| PLSE | BUY | 2024-09-11 | 2025-09-12 | $14.47 | $5.4M | +16.0% | +13.8% | -9.7% |
| PLSE | BUY | 2023-12-12 | 2023-12-14 | $9.15 | $329K | +32.6% | -15.0% | +11.0% |
| PLSE | BUY | 2023-12-11 | 2023-12-13 | $9.36 | $1.7M | +21.7% | -22.6% | +4.7% |
| PLSE | BUY | 2023-12-08 | 2023-12-12 | $9.54 | $2.2M | +31.6% | -15.5% | +11.0% |
| PLSE | BUY | 2023-12-07 | 2023-12-11 | $9.19 | $1.4M | +32.5% | -7.4% | +17.2% |
| PLSE | BUY | 2023-12-06 | 2023-12-08 | $9.06 | $1.5M | +17.9% | -6.5% | -3.1% |
| PLSE | BUY | 2023-12-05 | 2023-12-07 | $9.34 | $1.2M | +29.1% | -4.9% | -3.0% |
| PLSE | BUY | 2023-12-04 | 2023-12-06 | $10.38 | $280K | +8.3% | +0.3% | +1.9% |
| PLSE | BUY | 2023-12-01 | 2023-12-05 | $9.07 | $414K | +4.7% | -1.6% | +2.8% |
| PLSE | BUY | 2023-11-30 | 2023-12-04 | $9.06 | $2.8M | -8.0% | -1.8% | -5.9% |
| PLSE | BUY | 2023-11-29 | 2023-12-01 | $9.38 | $2.0M | +8.5% | +18.5% | +6.2% |
| PLSE | BUY | 2023-11-28 | 2023-11-30 | $8.98 | $2.2M | -0.9% | +16.2% | +7.2% |
| PLSE | BUY | 2023-11-17 | 2023-11-20 | $6.10 | $123K | +44.7% | +81.7% | +44.2% |
| PLSE | BUY | 2023-05-09 | 2023-05-10 | $6.51 | $130.5M | -27.0% | -18.7% | -14.9% |
| SMMT | BUY | 2023-03-06 | 2023-03-08 | $1.05 | $395.3M | +3.8% | -2.5% | +26.1% |
| SMMT | BUY | 2022-08-16 | 2022-08-18 | $0.97 | $184.0M | -10.0% | -6.2% | -20.0% |
| PLSE | BUY | 2021-06-30 | 2021-07-02 | $16.40 | $100.0M | +2.0% | +16.9% | +21.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.