ONC holder plans 2,001 ADS sale after option exercise

ONC reports that a holder working with Morgan Stanley Smith Barney LLC Executive Financial Services plans to sell 2,001 ADS on NASDAQ on 07/22/2026, with the sale tied to an exercise of stock options for cash.

Rhea-AI Filing Summary

ONC reports that a holder working with Morgan Stanley Smith Barney LLC Executive Financial Services plans to sell 2,001 ADS on NASDAQ on 07/22/2026, with the sale tied to an exercise of stock options for cash. The notice also lists prior 10b5-1 plan sales by Chan Lee over the past three months, including 664 ADS for 200833.44 on 07/08/2026, 871 ADS for 235539.14 on 06/08/2026, and 332 ADS for 103159.04 on 05/13/2026.

Key Figures

Planned ADS sale: 2,001 ADS 10b5-1 sale 07/08/2026: 664 ADS for 200833.44 10b5-1 sale 06/16/2026: 590 ADS for 156925.25 +3 more

6 metrics

Planned ADS sale 2,001 ADS ADS to be sold on NASDAQ on 07/22/2026 tied to stock option exercise

10b5-1 sale 07/08/2026 664 ADS for 200833.44 Sale by Chan Lee under 10b5-1 plan

10b5-1 sale 06/16/2026 590 ADS for 156925.25 Sale by Chan Lee under 10b5-1 plan

10b5-1 sale 06/11/2026 428 ADS for 110267.78 Sale by Chan Lee under 10b5-1 plan

10b5-1 sale 06/08/2026 871 ADS for 235539.14 Sale by Chan Lee under 10b5-1 plan

10b5-1 sale 05/13/2026 332 ADS for 103159.04 Sale by Chan Lee under 10b5-1 plan

Key Terms

ADS, 10b5-1 Sales, Exercise of Stock Options, Executive Financial Services

4 terms

ADS financial

"ADS | Morgan Stanley Smith Barney LLC Executive Financial Services"

Ads are paid promotional messages a company places across media — online, on TV, in print, or on social platforms — to attract customers, explain products, or shape public perception. For investors, ads matter because they drive sales growth, affect how much a company must spend to win customers, and influence brand strength and long-term value. Ads can also create regulatory or reputational risk if claims are misleading, which can affect profits and stock price.

10b5-1 Sales financial

"10b5-1 Sales for CHAN LEE Aeschengraben 27 Basel V8 4051"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Exercise of Stock Options financial

"ADS | 07/22/2026 | Exercise of Stock Options | Issuer"

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

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

What does the ONC Form 144 filing disclose?

The Form 144 discloses a planned sale of 2,001 ADS of ONC on 07/22/2026 on NASDAQ, following an exercise of stock options for cash, along with recent 10b5-1 sales history.

How many ONC ADS are planned to be sold in this Form 144?

The filing indicates a planned sale of 2,001 ADS. These American Depositary Shares are to be sold on 07/22/2026 on NASDAQ in connection with a cash stock option exercise by the reporting holder.

What recent 10b5-1 sales of ONC ADS are reported?

The filing lists 10b5-1 sales by Chan Lee, including 664 ADS for 200833.44 on 07/08/2026, 590 ADS for 156925.25 on 06/16/2026, and 428 ADS for 110267.78 on 06/11/2026, among other transactions.

Who is the selling security holder mentioned in the ONC Form 144?

The 10b5-1 sales section refers to Chan Lee as the seller of ONC ADS. The planned 2,001 ADS sale is processed via Morgan Stanley Smith Barney LLC Executive Financial Services as the broker.

On which market will the ONC ADS from this Form 144 be sold?

The ADS covered by this Form 144 are designated for sale on NASDAQ. The planned transaction date is 07/22/2026, and the shares involved are 2,001 ADS tied to a stock option exercise.

What is the relationship between the ONC ADS sale and stock options?

The Form 144 states the sale is due to an Exercise of Stock Options for cash. The 2,001 ADS planned for sale on 07/22/2026 are linked to this option exercise event.

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

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Available on EDGAR 07/22/2026 - 04:29 PM Accepted by SEC EDGAR 07/22/2026 - 04:29 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	0001980648
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	BEONE MEDICINES LTD.
SEC File Number	001-37686
Address of Issuer	Aeschengraben 27 Basel SWITZERLAND 4051
Phone	41616851900
Name of Person for Whose Account the Securities are To Be Sold	CHAN LEE
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
ADS	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	2001	637688.69	54885669	07/22/2026	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	07/22/2026	Exercise of Stock Options	Issuer			2001	07/22/2026	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 Basel V8 4051	ADS	07/08/2026	664	200833.44
CHAN LEE Aeschengraben 27 Basel V8 4051	ADS	06/16/2026	590	156925.25
CHAN LEE Aeschengraben 27 Basel V8 4051	ADS	06/11/2026	428	110267.78
CHAN LEE Aeschengraben 27 Basel V8 4051	ADS	06/08/2026	871	235539.14
10b5-1 Sales for CHAN LEE Aeschengraben 27 Basel V8 4051	ADS	05/13/2026	332	103159.04

144: Remarks and Signature

Remarks	The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
Date of Notice	07/22/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/14/2025
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/ Chan Lee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)