BeOne Medicines (NASDAQ: ONC) officer moves to sell ADS after three June stock sales

Rhea-AI Filing Summary

BeOne Medicines Ltd. (ONC) received a notice on Form 144 indicating that officer Xiaobin Wu intends to sell up to 15,000 ADS of BeOne Medicines. The ADS were acquired upon the vesting of restricted stock units during the period from 06/05/2022 through 06/05/2023.

The proposed ADS sale is listed for execution through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ, with a noted date of 08/25/2026. The notice also reports that, during the past three months, Xiaobin Wu sold BeOne common shares in three transactions: 626 shares for $163,512.26 on 06/11/2026, 1,357 shares for $361,996.85 on 06/16/2026, and 1,292 shares for $356,926.89 on 06/23/2026.

Key Figures

ADS planned for sale: 15,000 ADS Sale on 06/11/2026: 626 shares; $163,512.26 Sale on 06/16/2026: 1,357 shares; $361,996.85 +2 more

5 metrics

ADS planned for sale 15,000 ADS Maximum number of ADS covered by the Form 144 notice

Sale on 06/11/2026 626 shares; $163,512.26 BeOne common shares sold by Xiaobin Wu during the past 3 months

Sale on 06/16/2026 1,357 shares; $361,996.85 BeOne common shares sold by Xiaobin Wu during the past 3 months

Sale on 06/23/2026 1,292 shares; $356,926.89 BeOne common shares sold by Xiaobin Wu during the past 3 months

RSU vesting period 06/05/2022–06/05/2023 Period during which RSUs vested that gave rise to the ADS to be sold

Key Terms

Rule 144, restricted stock units, ADS, Form 144

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

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.

restricted stock units financial

"The securities to be sold were acquired upon the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

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.

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

What does the Form 144 filing disclose for BeOne Medicines Ltd. (ONC)?

The filing discloses that officer Xiaobin Wu has filed a notice of intent under Rule 144 to sell up to 15,000 ADS of BeOne Medicines Ltd., acquired from vesting restricted stock units between 06/05/2022 and 06/05/2023.

How many BeOne Medicines (ONC) ADS are planned to be sold under this Form 144?

The notice states an intended sale of up to 15,000 ADS of BeOne Medicines Ltd. These ADS were acquired upon vesting of restricted stock units and are proposed for sale through Morgan Stanley Smith Barney LLC Executive Financial Services.

What prior BeOne Medicines (ONC) share sales by Xiaobin Wu are reported in the last 3 months?

The notice lists three prior sales of BeOne common shares: 626 shares for $163,512.26 on 06/11/2026, 1,357 shares for $361,996.85 on 06/16/2026, and 1,292 shares for $356,926.89 on 06/23/2026.

When were the restricted stock units for the planned BeOne (ONC) ADS sale acquired?

The filing states that the securities to be sold were acquired upon the vesting of restricted stock units during the period from 06/05/2022 through 06/05/2023.

On which market are the BeOne Medicines (ONC) ADS in this Form 144 listed?

The Form 144 identifies the securities as ADS of BeOne Medicines Ltd. listed on NASDAQ, with Morgan Stanley Smith Barney LLC Executive Financial Services indicated as the broker handling the proposed sale.

Who is the insider named in the BeOne Medicines (ONC) Form 144 filing?

The filing names Xiaobin Wu as the person for whose account the securities are to be sold and identifies this person’s relationship to BeOne Medicines Ltd. as an Officer.

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

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Available on EDGAR 08/25/2026 - 04:44 PM Accepted by SEC EDGAR 08/25/2026 - 04:44 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	0001739452
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	XIAOBIN WU
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	15000	5579700.00	57914782	08/25/2026	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	06/05/2022	Restricted Stock Units	Issuer			15000	06/05/2022	N/A

* 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
XIAOBIN WU Aeschengraben 27 Basel V8 4051	Common	06/23/2026	1292	356926.89
XIAOBIN WU Aeschengraben 27 Basel V8 4051	Common	06/16/2026	1357	361996.85
XIAOBIN WU Aeschengraben 27 Basel V8 4051	Common	06/11/2026	626	163512.26

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of restricted stock units during the period of 06/05/2022 through 06/05/2023.
Date of Notice	08/25/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/07/2025
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/ Xiaobin Wu
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)