ONC shareholder Chan Lee plans ADS sale

Chan Lee, an affiliate of ONC, has filed to sell up to 1,044 American Depositary Shares (ADS) through Morgan Stanley Smith Barney LLC Executive Financial Services on or after July 30, 2026 on NASDAQ, with an indicated aggregate market value of $337,932.36.

Rhea-AI Filing Summary

Chan Lee, an affiliate of ONC, has filed to sell up to 1,044 American Depositary Shares (ADS) through Morgan Stanley Smith Barney LLC Executive Financial Services on or after July 30, 2026 on NASDAQ, with an indicated aggregate market value of $337,932.36. These ADS were acquired via restricted stock vesting under a registered plan on July 29, 2026. Over the prior three months, Chan Lee has sold multiple ADS blocks, including 1,669 ADS for $542,425.00 on July 22, 2026 and 644 ADS for $200,833.44 on July 8, 2026.

Key Figures

Planned ADS to be sold: 1,044 ADS Aggregate market value of planned sale: $337,932.36 Planned sale date: 07/30/2026 +5 more

8 metrics

Planned ADS to be sold 1,044 ADS Maximum ONC ADS indicated for sale by Chan Lee

Aggregate market value of planned sale $337,932.36 Value associated with 1,044 ADS to be sold

Planned sale date 07/30/2026 Proposed date for ONC ADS sale on NASDAQ

ADS acquired via vesting 1,044 ADS Restricted stock vesting under a registered plan on 07/29/2026

ADS sold 07/22/2026 1,669 ADS ONC ADS sold by Chan Lee for $542,425.00

Proceeds 07/22/2026 sale $542,425.00 Aggregate amount for 1,669 ADS sold by Chan Lee

ADS sold 07/08/2026 644 ADS ONC ADS sold by Chan Lee for $200,833.44

Proceeds 07/08/2026 sale $200,833.44 Aggregate amount for 644 ADS sold by Chan Lee

Key Terms

American Depositary Shares, Restricted Stock Vesting Under a Registered Plan, Executive Financial Services

3 terms

American Depositary Shares financial

"Chan Lee plans to sell up to 1,044 American Depositary Shares (ADS)"

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

Restricted Stock Vesting Under a Registered Plan financial

"acquired via Restricted Stock Vesting Under a Registered Plan on July 29, 2026"

Executive Financial Services financial

"through Morgan Stanley Smith Barney LLC Executive Financial Services"

FAQ

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

What ADS sale is ONC affiliate Chan Lee planning according to the Form 144?

Chan Lee plans to sell up to 1,044 ADS of ONC, with an indicated aggregate market value of $337,932.36, through Morgan Stanley Smith Barney LLC Executive Financial Services on or after July 30, 2026 on NASDAQ.

How did Chan Lee acquire the 1,044 ONC ADS covered by this Form 144?

The 1,044 ADS were acquired via Restricted Stock Vesting Under a Registered Plan from the issuer on July 29, 2026. This indicates they stem from an equity compensation arrangement rather than an open-market purchase.

What prior ONC ADS sales has Chan Lee reported in the last three months?

In the past three months, Chan Lee reported several ONC ADS sales, including 1,669 ADS for $542,425.00 on July 22, 2026 and 644 ADS for $200,833.44 on July 8, 2026, along with additional smaller transactions in June and May 2026.

On which exchange will Chan Lee’s planned ONC ADS sale take place?

The planned sale of up to 1,044 ONC ADS by Chan Lee is expected to occur on the NASDAQ exchange, using Morgan Stanley Smith Barney LLC Executive Financial Services as the broker handling the transaction.

What is the stated market value of Chan Lee’s planned ONC ADS sale?

The Form 144 lists an aggregate market value of $337,932.36 for the planned sale of 1,044 ONC ADS. This figure reflects the value used for the notice of proposed sale, not necessarily the eventual sale proceeds.

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

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Available on EDGAR 07/30/2026 - 05:34 PM Accepted by SEC EDGAR 07/30/2026 - 05:34 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	94 Solaris Avenue, Camana Bay Grand Cayman CAYMAN ISLANDS KY1 1108
Phone	345-949-4123
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	1044	337932.36	54885669	07/30/2026	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	07/29/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			1044	07/29/2026	Not Applicable

* 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
Chan Lee 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	07/22/2026	1669	542425.00
Chan Lee 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	07/08/2026	644	200833.44
CHAN LEE 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/16/2026	590	156925.25
CHAN LEE 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/11/2026	428	110267.78
CHAN LEE 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/08/2026	871	235539.13
Chan Lee 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	05/13/2026	332	103159.04

144: Remarks and Signature

Remarks
Date of Notice	07/30/2026
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/ Chan Lee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)