Josef Parvizi is Director at Ceribell, Inc. (CBLL). They have made 1 open-market trade across 1 company since 2025, most recently 2026-06-02.
CIK 0002038244
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 1 sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| CBLL | 23,284 | $583K |
Shares reported on the most recent Form 4, priced at the 2026-06-04 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CBLL | SELL | 2026-02-19 | 2026-02-23 | $20.27 | $339K | -10.5% | -6.1% | -6.0% |
| CBLL | SELL · 10b5-1 | 2026-02-17 | 2026-02-19 | $20.00 | $166K | -13.2% | -5.9% | -10.4% |
| CBLL | SELL · 10b5-1 | 2026-01-15 | 2026-01-20 | $22.94 | $574K | -4.0% | -5.4% | -1.6% |
| CBLL | SELL · 10b5-1 | 2025-12-15 | 2025-12-17 | $21.49 | $537K | -0.4% | +0.6% | -10.6% |
| CBLL | SELL · 10b5-1 | 2025-12-08 | 2025-12-10 | $20.26 | $1.0M | +3.9% | +14.9% | -9.2% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.