Insider plans 4,676 ADS sale in ONC (NASDAQ: ONC)

Rhea-AI Filing Summary

ONC has a shareholder filing a notice to sell 4,676 American Depositary Shares (ADS). The shares are to be sold on NASDAQ through Morgan Stanley Smith Barney LLC Executive Financial Services, with an aggregate market value listed as 1,619,672.88.

The ADS were acquired on 02/04/2026 through an exercise of stock options, paid in cash on the same date. The filing also lists recent Rule 10b5-1 sales for Chan Lee, including 996 ADS sold on 11/12/2025 for 347,770.00. The seller represents they are not aware of any undisclosed material adverse information about ONC.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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
ADS	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	4676	1619672.88	54111748	02/04/2026	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 *
ADS	02/04/2026	Exercise of Stock Options	Issuer			4676	02/04/2026	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
10b5-1 Sales for CHAN LEE Aeschengraben 27, 21st Floor Basel V8 4051	ADS	01/07/2026	664	220288.64
10b5-1 Sales for CHAN LEE Aeschengraben 27, 21st Floor Basel V8 4051	ADS	12/11/2025	332	107900.00
10b5-1 Sales for CHAN LEE Aeschengraben 27, 21st Floor Basel V8 4051	ADS	12/10/2025	332	105668.96
10b5-1 Sales for CHAN LEE Aeschengraben 27, 21st Floor Basel V8 4051	ADS	11/12/2025	996	347770.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does ONC’s recent Form 144 filing disclose?

The filing discloses a planned sale of 4,676 ONC ADS on NASDAQ. The shares were acquired via stock option exercise on 02/04/2026 for cash, and the aggregate market value of the proposed sale is listed as 1,619,672.88.

How many ONC ADS are planned for sale under this Form 144?

The shareholder plans to sell 4,676 ONC American Depositary Shares (ADS). These shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ, with the filing listing an aggregate market value of approximately 1,619,672.88 for the proposed sale.

How were the ONC ADS in this Form 144 acquired?

The 4,676 ONC ADS were acquired on 02/04/2026 through an exercise of stock options from the issuer. The filing states the exercise was paid in cash on the same date, directly linking the option exercise to the planned sale of these shares.

Which broker will handle the ONC ADS sale and on which exchange?

The proposed sale of 4,676 ONC ADS will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza. The filing specifies that the shares are expected to be sold on the NASDAQ securities exchange.

What recent ONC ADS sales are reported for Chan Lee in the last three months?

The filing lists several Rule 10b5-1 sales for Chan Lee, including 996 ONC ADS on 11/12/2025 for 347,770.00, 332 ADS on 12/10/2025, 332 ADS on 12/11/2025, and 664 ADS on 01/07/2026.

What representation does the ONC shareholder make in this Form 144?

The person for whose account the ONC ADS will be sold represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed, as required in the Form 144 signature section.