Watch ZC. Know when insiders buy.
One email the day a filing lands. Free.
| Report date | Shares short | Change | % of shares out |
|---|---|---|---|
| 2026-08-31 | 374 | +258 | — |
| 2026-08-15 | 116 | +112 | — |
| 2026-07-31 | 4 | −142 | — |
| 2026-07-15 | 146 | −82 | — |
CIRO publishes consolidated short positions for the 15th and month end. Short Watch, all names.