3 Form 4 filings for BOLD between 2026-07-13 and 2026-07-21, from 1 filer. 3 discretionary (0 sales, 3 purchases). 3 of 3 state a filing-level total, summing to $389,582; the rest report only their largest transaction, so the true figure is higher. Prices ran $2 to $2.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-07-21 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | purchased (open market) | 2,975 | $2.44 | $11,866 | 3 |
| 2026-07-16 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | purchased (open market) | 43,878 | $2.43 | $155,646 | 3 |
| 2026-07-13 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | purchased (open market) | 48,211 | $2.42 | $222,070 | 3 |
| 3 filings · 1 filers · disclosed totals only | $389,582 (3/3) | — | |||||