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About CG Oncology, Inc. (CGON)
CG Oncology, Inc. files with the SEC under CIK 0001991792 and is classified as biological products (no diagnostic substances). We track it alongside the rest of the Health Care sector.
CGON Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 3,000 | $210K |
| Grant or award | 1 | 92,000 | |
| Option exercise | 6 | 6,000 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
CGON insider transactions (Form 4)
5856 Form 4 filings on record, the earliest from Oct 7, 2024, newest first. Filing history page 2 of 2.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Leonard E. Post | Option exercise | Common Stock | 5,000 | $0.60 | $3K | |
| Leonard E. Post | Open-market sale | Common Stock | 5,000 | $40.09 | $200K | |
| Leonard E. Post | Option exercise | Director Stock Option (right to buy) | 5,000 | $0.00 | - | |
| James Mulay | Option exercise | Common Stock | 12,755 | $1.82 | $23K | |
| James Mulay | Open-market sale | Common Stock | 12,755 | $39.19 | $500K | |
| James Mulay | Option exercise | Director Stock Option (right to buy) | 12,755 | $0.00 | - | |
| James Mulay | Option exercise | Common Stock | 19,112 | $1.82 | $35K | |
| James Mulay | Open-market sale | Common Stock | 19,112 | $39.01 | $746K | |
| James Mulay | Option exercise | Common Stock | 3,574 | $1.82 | $7K | |
| James Mulay | Open-market sale | Common Stock | 3,574 | $38.99 | $139K | |
| James Mulay | Option exercise | Director Stock Option (right to buy) | 19,112 | $0.00 | - | |
| James Mulay | Option exercise | Director Stock Option (right to buy) | 3,574 | $0.00 | - | |
| Brian Guan-Chyun Liu | Open-market purchase | Common Stock | 1,515,151 | $33.00 | $50.00M | |
| Leonard E. Post | Option exercise | Common Stock | 1,000 | $0.60 | $600 | |
| Leonard E. Post | Open-market sale | Common Stock | 1,000 | $35.10 | $35K | |
| Leonard E. Post | Option exercise | Director Stock Option (right to buy) | 1,000 | $0.00 | - | |
| James Mulay | Option exercise | Common Stock | 27,015 | $0.60 | $16K | |
| James Mulay | Open-market sale | Common Stock | 12,342 | $30.47 | $376K | |
| James Mulay | Open-market sale | Common Stock | 4,095 | $31.42 | $129K | |
| James Mulay | Open-market sale | Common Stock | 7,465 | $32.64 | $244K | |
| James Mulay | Open-market sale | Common Stock | 3,113 | $33.22 | $103K | |
| James Mulay | Option exercise | Director Stock Option (right to buy) | 27,015 | $0.00 | - | |
| Hong Fang Song | Open-market sale | Common Stock | 69,695 | $27.60 | $1.92M | |
| Hong Fang Song | Open-market sale | Common Stock | 30,105 | $28.24 | $850K | |
| Hong Fang Song | Open-market sale | Common Stock | 100 | $28.96 | $3K | |
| Hong Fang Song | Open-market sale | Common Stock | 100 | $28.99 | $3K | |
| Leonard E. Post | Option exercise | Common Stock | 1,000 | $0.60 | $600 | |
| Leonard E. Post | Open-market sale | Common Stock | 1,000 | $28.00 | $28K | |
| Leonard E. Post | Option exercise | Director Stock Option (right to buy) | 1,000 | $0.00 | - | |
| Leonard E. Post | Option exercise | Common Stock | 2,000 | $0.60 | $1K | |
| Leonard E. Post | Open-market sale | Common Stock | 2,000 | $28.00 | $56K | |
| Leonard E. Post | Option exercise | Director Stock Option (right to buy) | 2,000 | $0.00 | - | |
| Leonard E. Post | Grant or award | Director Stock Option (right to buy) | 24,165 | $0.00 | - | |
| Leonard E. Post | Option exercise | Common Stock | 1,000 | $0.60 | $600 | |
| Leonard E. Post | Open-market sale | Common Stock | 1,000 | $28.00 | $28K | |
| Leonard E. Post | Option exercise | Director Stock Option (right to buy) | 1,000 | $0.00 | - | |
| Leonard E. Post | Option exercise | Common Stock | 1,000 | $0.60 | $600 | |
| Leonard E. Post | Open-market sale | Common Stock | 1,000 | $30.76 | $31K | |
| Leonard E. Post | Option exercise | Director Stock Option (right to buy) | 1,000 | $0.00 | - | |
| Hong Fang Song | Open-market sale | Common Stock | 700,000 | $28.00 | $19.60M | |
| Leonard E. Post | Option exercise | Common Stock | 1,000 | $0.60 | $600 | |
| Leonard E. Post | Open-market sale | Common Stock | 1,000 | $28.84 | $29K | |
| Leonard E. Post | Option exercise | Stock Option | 1,000 | $0.00 | - | |
| Leonard E. Post | Option exercise | Common Stock | 1,000 | $0.60 | $600 | |
| Leonard E. Post | Open-market sale | Common Stock | 750 | $34.40 | $26K | |
| Leonard E. Post | Open-market sale | Common Stock | 250 | $34.98 | $9K | |
| Leonard E. Post | Option exercise | Stock Option | 1,000 | $0.00 | - | |
| Corleen M. Roche - Officer | Grant or award | Stock Option (Right to Buy) | 93,600 | $0.00 | - | |
| Brian Guan-Chyun Liu | Grant or award | Stock Option (Right to Buy) | 15,600 | $0.00 | - | |
| Victor Edward Tong Jr. | Grant or award | Stock Option (Right to Buy) | 15,600 | $0.00 | - | |
| Vijay Kasturi - Officer | Grant or award | Stock Option (Right to Buy) | 132,600 | $0.00 | - | |
| Hong Fang Song | Grant or award | Stock Option (Right to Buy) | 15,600 | $0.00 | - | |
| Ambaw Bellete - Officer | Grant or award | Stock Option (Right to Buy) | 175,500 | $0.00 | - | |
| Arthur Kuan - Officer | Grant or award | Stock Option (Right to Buy) | 397,800 | $0.00 | - | |
| Joshua F. Patterson - Officer | Grant or award | Stock Option (Right to Buy) | 47,775 | $0.00 | - | |
| James Mulay | Grant or award | Stock Option (Right to Buy) | 15,600 | $0.00 | - | |
| Susan E. Graf | Grant or award | Stock Option (Right to Buy) | 15,600 | $0.00 | - | |
| Leonard E. Post | Grant or award | Stock Option (Right to Buy) | 15,600 | $0.00 | - |
Recent CGON Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Leonard E. Post | Director | 3,000 | $186K | View on EDGAR | |
| Ambaw Bellete | Officer | 30,787 |
CGON insider trading FAQ
What is the latest insider trade for CGON?
CG Oncology, Inc. (CGON) had 4 insider filings in the last 90 days, with the most recent on 19 October 2026. The full record for CGON runs to 56 Form 4 filings, the earliest from 7 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CGON stock?
No insider purchases of CGON were filed in the last 90 days. 2 purchases are on record for this company.
How many insiders are selling CGON stock?
4 insider sales of CGON were filed in the last 90 days, totaling $210K.
Where can I see CGON SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CGON Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Isabel Kalofonos view on EDGAR
- - Leonard E. Post view on EDGAR
- - Leonard E. Post view on EDGAR
- - Leonard E. Post view on EDGAR
- - Leonard E. Post view on EDGAR
- - James Mulay view on EDGAR
- - Brian Guan-Chyun Liu view on EDGAR
- - Leonard E. Post view on EDGAR
- - Leonard E. Post view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where CGON's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- Every CGON Form 4 filing on record
- Up to 3 months of CGON price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
