🕵️ CG Oncology Inc ($CGON)
SEC insider & ownership activity, last 12 months · CIK 1991792 · every row links its SEC filing
Over the last 12 months insiders sold $10.2M against $74.8M of open-market buying. Liu Brian Guan-Chyun bought $74.8M through a 10b5-1 trading plan in 2 lots (Sep–Jun). 7 planned sales are pending, the largest $3.8M (Ambaw Bellete). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $74.8M (2 lots) · 3 sellers, $10.2M (29 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Liu Brian Guan-Chyun | 2 | $74.8M | 0 | – | Jun 25, 2026 |
| James Mulay | 0 | – | 16 | $6.3M | Jul 10, 2026 |
| Song Hong Fang | 0 | – | 4 | $2.8M | Sep 3, 2025 |
| Leonard Post | 0 | – | 9 | $1.1M | Jul 15, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Xiangmin Cui | 8.4% | 13G | Feb 14, 2025 | filing ↗ | |
| RTW Investments, LP | 8.3% | 13G | May 15, 2026 | filing ↗ | |
| Roderick Wong | 8.3% | 13G | May 15, 2026 | filing ↗ | |
| T. ROWE Price Investment Management, Inc. | 8.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Management Group LLP | 7.2% | 13G | Nov 12, 2025 | filing ↗ | |
| Wellington Group Holdings LLP | 7.2% | 13G | Nov 12, 2025 | filing ↗ | |
| Wellington Investment Advisors Holdings LLP | 7.2% | 13G | Nov 12, 2025 | filing ↗ | |
| Decheng Capital Global Life Sciences Fund IV, L.P. | 7.0% | 13G | Feb 14, 2025 | filing ↗ | |
| Decheng Capital Management IV (CAYMAN), LLC | 7.0% | 13G | Feb 14, 2025 | filing ↗ | |
| Wellington Management Company LLP | 6.9% | 13G | Nov 12, 2025 | filing ↗ | |
| Blackrock, Inc. | 6.8% | 13G | Jul 27, 2026 | filing ↗ | |
| Juliet Tammenoms Bakker | 6.0% | 13D | Sep 11, 2025 | filing ↗ | |
| Patrick G. Enright | 6.0% | 13D | Sep 11, 2025 | filing ↗ | |
| SONG, HONG FANG | 5.5% | 13G | Jan 28, 2025 | filing ↗ | |
| FMR LLC | 5.1% | 13G | Aug 6, 2025 | filing ↗ | |
| Abigail P. Johnson | 5.1% | 13G | Aug 6, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Ambaw Bellete | $316K | Jul 29, 2026 | filing ↗ |
| Ambaw Bellete | $3.6M | Jul 28, 2026 | filing ↗ |
| Ambaw Bellete | $3.6M | Jul 27, 2026 | filing ↗ |
| Ambaw Bellete | $3.6M | Jul 23, 2026 | filing ↗ |
| Ambaw Bellete | $3.8M | Jul 15, 2026 | filing ↗ |
| James Mulay | $1.5M | Jul 10, 2026 | filing ↗ |
| James Mulay | $279K | Jul 1, 2026 | filing ↗ |
| Leonard Post | $329K | Jun 24, 2026 | filing ↗ |
| Leonard Post | $366K | Jun 22, 2026 | filing ↗ |
| Leonard E Post | $163K | Jun 4, 2026 | filing ↗ |
| James Mule | $1.2M | Apr 17, 2026 | filing ↗ |
| James Mulay | $550K | Jan 9, 2026 | filing ↗ |
| James Mulay | $267K | Oct 9, 2025 | filing ↗ |
| Leonard E Post | $195K | Sep 30, 2025 | filing ↗ |
| James Mulay | $1.3M | Sep 18, 2025 | filing ↗ |
| Leonard E Post | $100K | Sep 15, 2025 | filing ↗ |
| James Mulay | $836K | Sep 5, 2025 | filing ↗ |
| Charming JADE Ltd | $2.7M | Sep 3, 2025 | filing ↗ |
| Leonard E Post | $27K | Sep 3, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 20, 2026 | filing ↗ |
| Earnings (2.02) | May 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 13, 2026 | filing ↗ |
| Earnings (2.02) | Feb 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 27, 2026 | filing ↗ |
| Other events (8.01) | Jan 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 9, 2026 | filing ↗ |
| Other events (8.01) | Jan 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Nov 22, 2025 | filing ↗ |
| Earnings (2.02) | Nov 14, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 14, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 10, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 9, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 9, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 5, 2025 | filing ↗ |
| Other events (8.01) | Sep 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 5, 2025 | filing ↗ |
| Earnings (2.02) | Aug 8, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 8, 2025 | filing ↗ |