Sujal M. Patel is President at Isilon Systems, Inc. (ISLN). They have made 9 open-market trades across 1 company since 2007, most recently 2026-03-04.
CIK 0001378830
9 open-market purchases totalling $3.5M since 2021, never a sale. Across 9 scored buys the stock is up 8.2% at ninety days, and 6.4 points ahead of the S&P over the same stretch.
9 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| NAUT | 10,366,721 | $21.4M |
| ISLN | 25,000 | — |
| Total | $21.4M |
Shares reported on the most recent Form 4, priced at the 2026-03-04 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 44% | 56% | 33% |
| Avg Move | -2.3% | +1.3% | +8.2% |
| Alpha | -2.7% | +1.6% | +6.4% |
| Scored | 9 | 9 | 9 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| NAUT | BUY | 2026-03-04 | 2026-03-04 | $2.61 | $65K | -11.9% | +23.7% | -0.7% |
| NAUT | BUY | 2025-09-05 | 2025-09-09 | $0.68 | $192K | -6.7% | +23.3% | +178.1% |
| NAUT | BUY | 2025-03-19 | 2025-03-21 | $0.99 | $77K | -10.8% | -28.0% | -28.5% |
| NAUT | BUY | 2024-03-08 | 2024-03-11 | $2.87 | $41K | +10.4% | +2.4% | +4.8% |
| NAUT | BUY | 2024-03-05 | 2024-03-07 | $2.82 | $154K | -13.3% | -10.0% | -14.0% |
| NAUT | BUY | 2022-08-05 | 2022-08-08 | $2.92 | $268K | -14.1% | -29.3% | -32.2% |
| NAUT | BUY | 2022-05-09 | 2022-05-10 | $3.96 | $198K | +15.3% | -3.0% | -12.9% |
| NAUT | BUY | 2022-03-03 | 2022-03-04 | $3.60 | $180K | +8.6% | +26.2% | +4.4% |
| NAUT | BUY | 2021-11-30 | 2021-12-02 | $4.72 | $2.4M | +2.2% | +6.6% | -24.9% |
| ISLN | SELL · 10b5-1 | 2010-11-16 | 2010-11-18 | $33.73 | $810K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-09-09 | 2010-09-10 | $22.88 | $549K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-08-26 | 2010-08-27 | $19.44 | $466K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-08-10 | 2010-08-12 | $17.15 | $412K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-07-27 | 2010-07-29 | $17.07 | $410K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-07-15 | 2010-07-19 | $14.06 | $337K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-06-15 | 2010-06-17 | $12.65 | $304K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-06-03 | 2010-06-04 | $13.97 | $335K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-05-17 | 2010-05-18 | $14.13 | $339K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-05-04 | 2010-05-06 | $14.11 | $339K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-04-22 | 2010-04-23 | $12.78 | $307K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-04-08 | 2010-04-09 | $9.69 | $233K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-03-23 | 2010-03-25 | $8.51 | $204K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-03-08 | 2010-03-10 | $8.66 | $208K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-02-24 | 2010-02-26 | $7.14 | $171K | N/A | N/A | N/A |
| ISLN | SELL · 10b5-1 | 2010-02-11 | 2010-02-12 | $7.58 | $182K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.