Liu Brian Guan-Chyun (CIK 2007835) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-29). Recent activity: Buy CGON (371,085 shares), Buy CGON (1.5M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-29 | CG Oncology, Inc. (CGON) | Director | Buy | 371,085 | $24.8M |
| 2025-09-15 | CG Oncology, Inc. (CGON) | Director | Buy | 1.5M | $50.0M |
Source: SEC Form 4 filings · as of 2026-06-29