Watch REGN. Know when insiders buy.
One email the day a filing lands. Free.
| Report date | Shares short | Change | % of shares out | Avg daily volume | Days to cover |
|---|---|---|---|---|---|
| 2026-08-14 | 2.4M | −990K | 2.55% | 761K | 3.1 |
| 2026-07-31 | 3.4M | −115K | 3.60% | 859K | 3.9 |
| 2026-07-15 | 3.5M | +7K | 3.73% | 741K | 4.7 |