| Filed | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2026-06-01 | Xu Diyong Director · 10% owner | Bought | 1,875,000 | $8.00 | $15.0M |
| 2026-06-01 | ORBIMED ADVISORS LLC Director · 10% owner | Bought | 1,875,000 | $8.00 | $15.0M |
| Insider | Role | Buys | Total bought |
|---|---|---|---|
| Xu Diyong | Director · 10% owner | 1 | $15.0M |
| ORBIMED ADVISORS LLC | Director · 10% owner | 1 | $15.0M |
Every insider buy and sell for QTTB plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.
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