Watch CMMB. 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 |
|---|---|---|---|---|---|
| 2026-08-14 | 113K | −42K | 0.02% | 59K | 1.9 |
| 2026-07-31 | 156K | +21K | 0.03% | 72K | 2.2 |
| 2026-07-15 | 135K | −8K | 0.02% | 507K | 1.0 |