Watch PRKR. Know when insiders buy.
One email the day a filing lands. Free.
A free account adds a watchlist, alerts when insiders, Congress or short sellers move on your tickers, and a morning brief. Sign up
| Report date | Shares short | Change | % of shares out | Avg daily volume | Days to cover |
|---|---|---|---|---|---|
| 2026-08-31 | 49K | +6K | 0.03% | 124K | 1.0 |
| 2026-08-14 | 42K | −0 | 0.03% | 415K | 1.0 |
| 2026-07-31 | 42K | +609 | 0.03% | 139K | 1.0 |
| 2026-07-15 | 42K | +421 | 0.03% | 168K | 1.0 |