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GRID
Tantalus Systems Holding Inc.
4.43
+0.18 +4.24%
CAD · close Oct 21
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Work order
28
FLAG · insiders 55, shorts 0
Insiders, 90 days
+$1K
net buying · 1 buy, 0 sells
Shares short
784K
CIRO 2026-09-30 · +270K last period
Collision
no
insiders buying while shorts add
Calls on record
0
nobody we score has called it yet
FINANCIALS: SEDAR+ DOES NOT PUBLISH MACHINE-READABLE STATEMENTS; PRICE AND SHORT DATA ONLY FOR CANADIAN NAMES52W 3.59 – 6.48
Short interest
| Report date | Shares short | Change | % of shares out |
|---|---|---|---|
| 2026-09-30 | 784K | +270K | — |
| 2026-09-15 | 514K | +116K | — |
| 2026-08-31 | 398K | +292K | — |
| 2026-08-15 | 106K | +48K | — |
| 2026-07-31 | 59K | −15K | — |
| 2026-07-15 | 73K | −362K | — |
CIRO publishes consolidated short positions for the 15th and month end. Short Watch, all names.