4 Form 4 filings for ZNB between 2026-07-22 and 2026-08-25, from 1 filer. 4 discretionary (2 sales, 2 purchases). 2 of 4 state a filing-level total, summing to $31,020; the rest report only their largest transaction, so the true figure is higher. Prices ran $0 to $3.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | HRT FINANCIAL LP | purchased | 2,780 | $1.80 | $2,539 | 2 | |
| 2026-07-30 | HRT FINANCIAL LP | sold | 42,254 | $2.87 | — | — | |
| 2026-07-28 | HRT FINANCIAL LP | purchased (open market) | 21,929 | $0.27 | $28,481 | 2 | |
| 2026-07-22 | HRT FINANCIAL LP | sold | 53,030 | $0.40 | — | — | |
| 4 filings · 1 filers · disclosed totals only | $31,020 (2/4) | — | |||||