CG Oncology Insider Trades
NASDAQ: CGONHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Last 12 months
- Purchases
- 1 · $24.81M
- Sales
- 16 · $4.82M
- Shares bought / sold
- 371.08K / 70.84K
- Net activity
- Net buying $20.0 million
CG Oncology insider activity
Over the last 12 months, CG Oncology insiders reported 37 transactions on SEC Form 4: 1 open-market purchase and 16 sales. Insiders bought $24.8 million and sold $4.8 million worth of stock, for net insider buying of $20.0 million. The largest seller was Mulay James, with $3.8 million in reported sales.
The most recent filing shows POST LEONARD E (Director) reporting a transaction in 1,000 shares at $0.60 on Sep 15, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put CGON's ownership changes in context.
Summary generated from market data by MetaCap's automated system. Methodology
CGON insider transactions
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Sep 15, 2026 | POST LEONARD EDirector | Sale | 1,000 | $72.98K | Form 4 |
| Sep 15, 2026 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Aug 14, 2026 | POST LEONARD EDirector | Sale | 1,000 | $74.54K | Form 4 |
| Aug 14, 2026 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Jul 15, 2026 | POST LEONARD EDirector | Sale | 1,000 | $71.17K | Form 4 |
| Jul 15, 2026 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Jul 10, 2026 | Mulay JamesDirector | Sale | 24,165 | $1.82M | Form 4 |
| Jul 10, 2026 | Mulay JamesDirector | Option exercise | 24,165 | $643.51K | Form 4 |
| Jun 25, 2026 | Liu Brian Guan-ChyunDirector | Buy | 371,085 | $24.81M | Form 4 |
| Jun 24, 2026 | POST LEONARD EDirector | Sale | 5,000 | $350.00K | Form 4 |
| Jun 24, 2026 | POST LEONARD EDirector | Option exercise | 5,000 | $3.00K | Form 4 |
| Jun 22, 2026 | POST LEONARD EDirector | Sale | 5,000 | $325.00K | Form 4 |
| Jun 22, 2026 | POST LEONARD EDirector | Option exercise | 5,000 | $3.00K | Form 4 |
| Jun 15, 2026 | Mulay JamesDirector | Sale | 1,310 | $78.76K | Form 4 |
| Jun 15, 2026 | Mulay JamesDirector | Option exercise | 1,310 | $16.49K | Form 4 |
| Jun 15, 2026 | Mulay JamesDirector | Sale | 654 | $39.32K | Form 4 |
| Jun 15, 2026 | Mulay JamesDirector | Option exercise | 654 | $2.43K | Form 4 |
| Jun 4, 2026 | POST LEONARD EDirector | Sale | 1,000 | $54.50K | Form 4 |
| Jun 4, 2026 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Apr 17, 2026 | Mulay JamesDirector | Sale | 15,600 | $1.14M | Form 4 |
| Apr 17, 2026 | Mulay JamesDirector | Option exercise | 15,600 | $571.43K | Form 4 |
| Mar 16, 2026 | Mulay JamesDirector | Sale | 1,310 | $83.19K | Form 4 |
| Mar 16, 2026 | Mulay JamesDirector | Option exercise | 1,310 | $16.49K | Form 4 |
| Mar 16, 2026 | Mulay JamesDirector | Sale | 654 | $41.53K | Form 4 |
| Mar 16, 2026 | Mulay JamesDirector | Option exercise | 654 | $2.43K | Form 4 |
| Mar 12, 2026 | Kuan ArthurChief Executive Officer | Tax withholding | 1,847 | $111.10K | Form 4 |
| Mar 12, 2026 | Kuan ArthurChief Executive Officer | Option exercise | 64,612 | $111.13K | Form 4 |
| Mar 4, 2026 | Kuan ArthurChief Executive Officer | Tax withholding | 2,871 | $176.88K | Form 4 |
| Mar 4, 2026 | Kuan ArthurChief Executive Officer | Option exercise | 102,871 | $176.94K | Form 4 |
| Jan 9, 2026 | Mulay JamesDirector | Sale | 10,491 | $555.92K | Form 4 |
| Jan 9, 2026 | Mulay JamesDirector | Option exercise | 10,491 | $132.08K | Form 4 |
| Jan 9, 2026 | Mulay JamesDirector | Sale | 654 | $28.88K | Form 4 |
| Jan 9, 2026 | Mulay JamesDirector | Option exercise | 654 | $2.43K | Form 4 |
| Nov 17, 2025 | POST LEONARD EDirector | Sale | 1,000 | $41.43K | Form 4 |
| Nov 17, 2025 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Oct 13, 2025 | POST LEONARD EDirector | Sale | 1,000 | $43.25K | Form 4 |
| Oct 13, 2025 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Oct 9, 2025 | Mulay JamesDirector | Sale | 5,903 | $259.67K | Form 4 |
| Oct 9, 2025 | Mulay JamesDirector | Option exercise | 5,903 | $21.96K | Form 4 |
| Sep 30, 2025 | POST LEONARD EDirector | Sale | 5,000 | $200.45K | Form 4 |
| Sep 30, 2025 | POST LEONARD EDirector | Option exercise | 5,000 | $3.00K | Form 4 |
| Sep 29, 2025 | Mulay JamesDirector | Sale | 12,755 | $499.87K | Form 4 |
| Sep 29, 2025 | Mulay JamesDirector | Option exercise | 12,755 | $23.21K | Form 4 |
| Sep 19, 2025 | Mulay JamesDirector | Sale | 3,574 | $139.35K | Form 4 |
| Sep 19, 2025 | Mulay JamesDirector | Option exercise | 3,574 | $6.50K | Form 4 |
| Sep 18, 2025 | Mulay JamesDirector | Sale | 19,112 | $745.56K | Form 4 |
| Sep 18, 2025 | Mulay JamesDirector | Option exercise | 19,112 | $34.78K | Form 4 |
| Sep 15, 2025 | POST LEONARD EDirector | Sale | 1,000 | $35.10K | Form 4 |
| Sep 15, 2025 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Sep 11, 2025 | Liu Brian Guan-ChyunDirector | Buy | 1,515,151 | $50.00M | Form 4 |
| Sep 5, 2025 | Mulay JamesDirector | Sale | 3,113 | $103.41K | Form 4 |
| Sep 5, 2025 | Mulay JamesDirector | Sale | 7,465 | $243.66K | Form 4 |
| Sep 5, 2025 | Mulay JamesDirector | Sale | 4,095 | $128.66K | Form 4 |
| Sep 5, 2025 | Mulay JamesDirector | Sale | 12,342 | $376.06K | Form 4 |
| Sep 5, 2025 | Mulay JamesDirector | Option exercise | 27,015 | $16.21K | Form 4 |
| Sep 3, 2025 | Song Hong FangDirector | Sale | 100 | $2.90K | Form 4 |
| Sep 3, 2025 | Song Hong FangDirector | Sale | 100 | $2.90K | Form 4 |
| Sep 3, 2025 | Song Hong FangDirector | Sale | 30,105 | $850.17K | Form 4 |
| Sep 3, 2025 | Song Hong FangDirector | Sale | 69,695 | $1.92M | Form 4 |
| Sep 3, 2025 | POST LEONARD EDirector | Sale | 1,000 | $28.00K | Form 4 |
| Sep 3, 2025 | POST LEONARD EDirector | Option exercise | 1,000 | $600 | Form 4 |
| Jul 17, 2025 | POST LEONARD EDirector | Sale | 2,000 | $56.00K | Form 4 |
| Jul 17, 2025 | POST LEONARD EDirector | Option exercise | 2,000 | $1.20K | Form 4 |
Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4