| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in BOLD over the last quarter tilts toward buying: insiders added a net 131,174 shares worth roughly $295K. In the past 30 days, 1 insider bought and 0 sold. Purchases have clustered in the most recent filings.
TANG KEVIN (10% Owner) stands out among recent buyers, now holding an estimated $7.1M in BOLD. Notably, 1 of the recent buyer ranks in the top tier of our insider score, which grades how well a person's past trades have anticipated price moves.
Classified under Biotechnology (Health Care sector), BOLD's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| 10% | 2.99M | $7.09M | +149.5K | |
| CEO | 600.0K | - | - | |
| Other | 230.0K | - | - | |
| Other | 230.0K | - | - | |
| Other | 220.0K | - | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 20, 2026 | Tang Kevin85 | 10% Owner | Buy | 149,474 | $2.34 | $349,592.97 | +5.3% | - | - | |
| Aug 26, 2026 | Tang Kevin85 | 10% Owner | Sell | 18,300 | $2.97 | $54,351.00 | -0.6% | - | - | |
| Jul 21, 2026 | Tang Kevin85 | 10% Owner | Buy | 4,863 | $2.44 | $11,865.72 | +0.2% | -6.9% | - | |
| Jul 16, 2026 | Tang Kevin85 | 10% Owner | Buy | 63,969 | $2.43 | $155,645.58 | +2.3% | -4.0% | - | |
| Jul 13, 2026 | Tang Kevin85 | 10% Owner | Buy | 91,585 | $2.42 | $222,069.79 | +3.4% | +4.5% | - | |
| Jul 8, 2026 | Tang Kevin85 | 10% Owner | Buy | 57,210 | $2.48 | $141,864.66 | +2.2% | +4.9% | - | |
| Jul 2, 2026 | Tang Kevin85 | 10% Owner | Buy | 107,463 | $2.50 | $268,880.37 | +4.2% | +0.4% | - | |
| Jul 1, 2026 | Crandell Keith | 10% Owner | Sale+OE | 16,000 | $2.49 | $39,840.00 | -100% | +3.2% | - | |
| Jul 1, 2026 | Arch Venture Fund Ix, L.P. | 10% Owner | Sale+OE | 16,000 | $2.49 | $39,840.00 | -100% | +3.2% | - | |
| Jun 29, 2026 | Tang Kevin85 | 10% Owner | Buy | 286,333 | $2.50 | $714,768.12 | +12.7% | +6.5% | - |