CG Oncology, Inc. Common stock (CGON) has 12 known insider and institutional holders on record. The largest holder is Song Hong Fang with 2,903,931 shares. Other notable holders include Liu Brian Guan-Chyun and Bellete Ambaw.
Over the last 12 months, insiders have made 34 transactions in CGON stock — 12 buys (valued at $79.87M) and 14 sells (valued at $1.72M). Insider selling has exceeded buying during this period.
CGON Insider Ownership
Top Holder
Song Hong Fang
2,903,931 shares
Buys (12 mo)
12
$79.87M value
Sells (12 mo)
14
$1.72M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Song Hong Fang |
Director |
2,903,931 |
2025-09-04 |
|
| 2 |
Liu Brian Guan-chyun |
Director |
1,515,151 |
2025-09-15 |
|
| 3 |
Bellete Ambaw |
President and COO |
284,816 |
2025-04-16 |
|
| 4 |
Kasturi Vijay |
Chief Medical Officer |
203,868 |
2025-04-16 |
|
| 5 |
Roche Corleen M. |
CFO |
143,907 |
2025-04-16 |
|
| 6 |
Patterson Joshua F. |
See Remarks |
119,922 |
2025-04-16 |
|
| 7 |
Kuan Arthur |
Chief Executive Officer |
64,612 |
2026-03-06 |
|
| 8 |
Graf Susan E |
Director |
24,165 |
2025-06-06 |
|
| 9 |
Tong Victor Edward Jr |
Director |
24,165 |
2025-06-06 |
|
| 10 |
Mulay James |
Director |
24,165 |
2025-06-06 |
|
| 11 |
Post Leonard E |
Director |
24,165 |
2025-06-06 |
|
| 12 |
Rossi Christina |
Director |
20,889 |
2025-11-26 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-16 |
Mulay James |
Director |
Informative Sell |
1,310 |
$63.50 |
$83.19K |
| 2026-03-12 |
Kuan Arthur |
Chief Executive Officer |
Option Exercise (Sell) |
64,612 |
$1.72 |
$111.13K |
| 2026-03-04 |
Kuan Arthur |
Chief Executive Officer |
Option Exercise (Sell) |
102,871 |
$1.72 |
$176.94K |
| 2026-01-09 |
Mulay James |
Director |
Informative Sell |
654 |
$44.16 |
$28.88K |
| 2025-11-24 |
Rossi Christina |
Director |
RSU Award |
20,889 |
$43.56 |
$909.92K |
| 2025-11-24 |
Rossi Christina |
Officer |
Unknown |
- |
- |
- |
| 2025-11-17 |
Detore James M. |
Officer |
Unknown |
- |
- |
- |
| 2025-11-17 |
Post Leonard E |
Director |
Informative Sell |
1,000 |
$41.43 |
$41.43K |
| 2025-10-13 |
Post Leonard E |
Director |
Informative Sell |
1,000 |
$43.25 |
$43.25K |
| 2025-10-09 |
Mulay James |
Director |
Informative Sell |
5,903 |
$43.99 |
$259.67K |
| 2025-09-30 |
Post Leonard E |
Director |
Informative Sell |
5,000 |
$40.09 |
$200.45K |
| 2025-09-29 |
Mulay James |
Director |
Option Exercise (Sell) |
12,755 |
$1.82 |
$23.21K |
| 2025-09-19 |
Mulay James |
Director |
Informative Sell |
3,574 |
$38.99 |
$139.35K |
| 2025-09-18 |
Mulay James |
Director |
Informative Sell |
19,112 |
$39.01 |
$745.56K |
| 2025-09-15 |
Post Leonard E |
Director |
Informative Sell |
1,000 |
$35.10 |
$35.1K |
| 2025-09-11 |
Liu Brian Guan-chyun |
Director |
Informative Buy |
1,515,151 |
$33.00 |
$50M |
| 2025-09-05 |
Mulay James |
Director |
Option Exercise (Sell) |
27,015 |
$0.60 |
$16.21K |
| 2025-09-03 |
Song Hong Fang |
Director |
Informative Sell |
100 |
$28.99 |
$2.9K |
| 2025-09-03 |
Post Leonard E |
Director |
Informative Sell |
1,000 |
$28.00 |
$28K |
| 2025-08-05 |
Lapetina Bob |
See Remarks |
Unknown |
13,000 |
$28.01 |
$364.13K |
| 2025-07-17 |
Post Leonard E |
Director |
Informative Sell |
2,000 |
$28.00 |
$56K |
| 2025-06-05 |
Song Hong Fang |
Director |
RSU Award |
24,165 |
$26.63 |
$643.51K |
| 2025-06-05 |
Tong Victor Edward Jr |
Director |
RSU Award (Return) |
24,165 |
$26.63 |
$643.51K |
| 2025-06-05 |
Liu Brian Guan-chyun |
Director |
RSU Award |
24,165 |
$26.63 |
$643.51K |
| 2025-06-05 |
Mulay James |
Director |
RSU Award |
24,165 |
$26.63 |
$643.51K |
