CG Oncology insider plans $4.0M share sale

CGON insider Ambaw Bellete filed a notice to sell common stock under Rule 144.

Rhea-AI Filing Summary

CGON insider Ambaw Bellete filed a notice to sell common stock under Rule 144. The planned transaction lists 52,438 shares of common stock to be sold through Morgan Stanley Smith Barney LLC on 08/17/2026, in connection with a stock option exercise.

The filing also lists multiple prior open-market sales of CGON common stock by Ambaw Bellete during the past three months, including individual sales such as 75,000 shares on 08/06/2026 and several sales of 50,000 shares on various dates, each with stated dollar amounts.

Key Figures

Shares planned for sale: 52,438 shares Dollar figure for planned sale: 4,034,894.35 Largest recent single sale: 75,000 shares +3 more

6 metrics

Shares planned for sale 52,438 shares Common stock to be sold on or after 08/17/2026 under Rule 144

Dollar figure for planned sale 4,034,894.35 Associated amount listed with 52,438 CGON shares in securities information

Largest recent single sale 75,000 shares CGON common shares sold on 08/06/2026 during past three months

Amount from 08/06/2026 sale 5,672,212.50 Dollar amount reported for 75,000 CGON shares sold on 08/06/2026

Recent 50,000-share sale (08/11/2026) 3,810,255.00 Dollar amount reported for 50,000 CGON shares sold on 08/11/2026

Recent 50,000-share sale (08/10/2026) 3,770,580.00 Dollar amount reported for 50,000 CGON shares sold on 08/10/2026

Key Terms

Rule 144, stock option exercise, Securities To Be Sold, Securities Sold During The Past 3 Months

4 terms

Rule 144 regulatory

"144: Securities To Be Sold Common | 08/17/2026 | Stock Option Exercise"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

stock option exercise financial

"Common | 08/17/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Securities To Be Sold regulatory

"144: Securities To Be Sold Common | 08/17/2026 | Stock Option Exercise"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months AMBAW BELLETE"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does CGON’s latest Form 144 filing disclose?

The Form 144 for CGON discloses that insider Ambaw Bellete intends to sell 52,438 shares of CGON common stock on or after 08/17/2026. The shares are to be sold through Morgan Stanley Smith Barney LLC in connection with a reported stock option exercise.

How many CGON shares does Ambaw Bellete plan to sell on 08/17/2026?

Ambaw Bellete plans to sell 52,438 shares of CGON common stock on or after 08/17/2026. The Form 144 lists these shares under securities to be sold through Morgan Stanley Smith Barney LLC, tied to a stock option exercise transaction for CGON common stock.

What is the reported value associated with the planned CGON share sale?

The planned sale of 52,438 CGON shares is associated with a stated dollar figure of 4,034,894.35. This amount appears in the securities information section for the shares to be sold through Morgan Stanley Smith Barney LLC in connection with the scheduled 08/17/2026 transaction.

What recent CGON stock sales has Ambaw Bellete reported in the past three months?

The Form 144 lists several past three-month sales of CGON common stock by Ambaw Bellete, including 75,000 shares on 08/06/2026 and multiple 50,000-share transactions on dates such as 08/10/2026 and 08/11/2026, each with corresponding dollar amounts reported.

Which broker is handling the planned CGON share sale for Ambaw Bellete?

The planned sale of 52,438 CGON shares is listed through Morgan Stanley Smith Barney LLC, Executive Financial Services, New York. This broker appears in the securities information section associated with the 08/17/2026 planned sale tied to a stock option exercise in CGON common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/17/2026 - 04:09 PM Accepted by SEC EDGAR 08/17/2026 - 04:09 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002007090
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CG ONCOLOGY, INC.
SEC File Number	001-41925
Address of Issuer	3000 Pegasus Park Drive SUITE 1640 Dallas TEXAS 75247
Phone	(949) 409-3700
Name of Person for Whose Account the Securities are To Be Sold	AMBAW BELLETE
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	52438	4034894.35	88640375	08/17/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/17/2026	Stock Option Exercise	Issuer			52438	08/17/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/14/2026	19364	1452635.00
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/13/2026	25989	1973970.86
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/12/2026	32137	2526514.53
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/11/2026	50000	3810255.00
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/10/2026	50000	3770580.00
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/07/2026	9250	696062.50
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/06/2026	75000	5672212.50
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	08/05/2026	25000	1837500.00
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	07/29/2026	4303	316270.50
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	07/28/2026	50000	3625195.00
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	07/27/2026	50000	3627995.00
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	07/23/2026	50000	3588620.00
AMBAW BELLETE 3000 Pegasus Park Drive SUITE 1640 Dallas TX 75247	Common	07/15/2026	52438	3816007.65

144: Remarks and Signature

Remarks
Date of Notice	08/17/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Ambaw Bellete
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)