Watch COHR. 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 | 10M | +985K | 5.12% | 8.8M | 1.1 |
| 2026-07-31 | 9M | +353K | 4.62% | 5M | 1.8 |
| 2026-07-15 | 8.7M | +107K | 4.44% | 4.4M | 2.0 |