Watch NSPR. 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 | 39K | −46K | 0.08% | 107K | 1.0 |
| 2026-08-14 | 85K | −2K | 0.18% | 103K | 1.0 |
| 2026-07-31 | 87K | +10K | 0.19% | 35K | 2.5 |
| 2026-07-15 | 77K | +2K | 0.17% | 86K | 1.0 |