CG Oncology, Inc. (CGON) Insider Trading & SEC Filings
Last SEC filing
CG Oncology, Inc. (CGON) has filed 12 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-17. Insiders disclosed 1 open-market purchases totaling $24.81M. Insider sales over the same period: 7 transactions worth $2.73M. 3 Form 8-K material event filings were reported by CGON in the last 90 days. 10 Form 144 notices of proposed sale were filed for CGON stock. InsiderAlpha tracks every CGON SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About CG Oncology, Inc. (CGON)
CG Oncology, Inc. trades under the ticker CGON. InsiderAlpha tracks 52 primary SEC Form 4 filings from 13 reporting insiders for CGON since 2024, sourced directly from SEC EDGAR.
| Sector | Health Care insider trading |
|---|---|
| SIC classification | Biological Products, (No Diagnostic Substances) (SIC 2836) |
| SEC CIK | 0001991792 |
90-Day SEC Filing Activity
| Insider purchases (90d) | 1 ($24.81M) |
|---|---|
| Insider sales (90d) | 7 ($2.73M) |
| Form 4 filings (90d) | 12 |
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 10 |
| Latest Form 4 filing | 2026-07-17 |
Recent CGON Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Leonard E. Post | Insider | S - Open-market sale [10b5-1] | 1.0K | $71.17 | $71K | SEC | |
| Leonard E. Post | Insider | M - Option exercise [10b5-1] | 1.0K | $0.60 | $600 | SEC | |
| James Mulay | Insider | M - Option exercise [10b5-1] | 24.2K | $26.63 | $644K | SEC | |
| James Mulay | Insider | S - Open-market sale [10b5-1] | 24.2K | $75.16 | $1.82M | SEC | |
| Brian Guan-Chyun Liu | Insider | P - Open-market purchase [10b5-1] | 371.1K | $66.87 | $24.81M | SEC | |
| Leonard E. Post | Insider | S - Open-market sale [10b5-1] | 5.0K | $70.00 | $350K | SEC | |
| Leonard E. Post | Insider | M - Option exercise [10b5-1] | 5.0K | $0.60 | $3K | SEC | |
| Leonard E. Post | Insider | M - Option exercise [10b5-1] | 5.0K | $0.60 | $3K | SEC | |
| Leonard E. Post | Insider | S - Open-market sale [10b5-1] | 5.0K | $65.00 | $325K | SEC | |
| James Mulay | Insider | S - Open-market sale [10b5-1] | 654 | $60.12 | $39K | SEC | |
| James Mulay | Insider | S - Open-market sale [10b5-1] | 1.3K | $60.12 | $79K | SEC | |
| James Mulay | Insider | M - Option exercise [10b5-1] | 1.3K | $12.59 | $16K | SEC | |
| James Mulay | Insider | M - Option exercise [10b5-1] | 654 | $3.72 | $2K | SEC | |
| Leonard E. Post | Insider | S - Open-market sale [10b5-1] | 1.0K | $54.50 | $54K | SEC | |
| Leonard E. Post | Insider | M - Option exercise [10b5-1] | 1.0K | $0.60 | $600 | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CG Oncology, Inc. (CGON). Updated in real time as new filings are submitted to the SEC.
Most-Active CGON Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Leonard E. Post | 13 | $808K |
| James Mulay | 10 | $2.60M |
| Brian Guan-Chyun Liu | 2 | $24.81M |
| Christina Rossi | 1 | - |
| Susan E. Graf | 1 | - |
Recent CGON Form 8-K Material Events
- - Item 5.07 [SEC]
- - Item 5.02 [SEC]
- - Item 2.02, 9.01 [SEC]
- - Item 5.02, 9.01 · Leadership · neutral [SEC]
CG Oncology appointed Jim DeTore as Chief Financial Officer on April 13, 2026. DeTore, age 61, has been serving as Interim Principal Financial and Accounting Officer since November 2025 and brings extensive CFO experience from biotechnology companies including Bluebird Bio, Prote - - Item 2.02, 9.01 · Earnings · neutral [SEC]
CG Oncology issued a press release on February 27, 2026 announcing financial results for Q4 2025 and full year 2025. The 8-K provides no detail on whether results beat, missed, or met expectations, nor does it contain guidance changes, surprise language, or material operational u
Recent CGON Form 144 Notices of Proposed Sale
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
Recent Insider Filings
- - Leonard E. Post (Insider)
- - James Mulay (Insider)
- - Brian Guan-Chyun Liu (Insider)
- - Leonard E. Post (Insider)
- - Leonard E. Post (Insider)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CGON insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
CGON Insider Trading - FAQ
- What is the latest insider trade for CGON?
- CG Oncology, Inc. (CGON) had 12 insider filings in the last 90 days, with the most recent on 2026-07-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying CGON stock?
- 1 insider purchase of CGON was filed in the last 90 days, totaling $24.81M.
- How many insiders are selling CGON stock?
- 7 insider sales of CGON were filed in the last 90 days, totaling $2.73M.
- Where can I see CGON SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks CGON Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live CGON dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.