SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X	Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person* Wang Xiaodong (Last) (First) (Middle) C/O BEONE MEDICINES I GMBH AESCHENGRABEN 27, 21ST FLOOR (Street) BASEL 4051 (City) (State) (Zip) SWITZERLAND (Country)	2. Issuer Name and Ticker or Trading Symbol BeOne Medicines Ltd. [ ONC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) X Other (specify below) Chair, Scientific Advisory Brd
	2a. Foreign Trading Symbol
	3. Date of Earliest Transaction (Month/Day/Year) 10/13/2026	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person
	4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares								4,588,113	D
Ordinary Shares								1,025,063	I	See Footnote(1)
Ordinary Shares								3,953,100	I	See Footnote(2)
Ordinary Shares								50	I	See Footnote(3)
American Depositary Shares(4)	10/13/2026		M		31,027	A	$36.9	31,027	D
American Depositary Shares(4)	10/13/2026		S(5)		7,167	D	$349.5613(6)	23,860	D
American Depositary Shares(4)	10/13/2026		S(5)		10,361	D	$350.4741(7)	13,499	D
American Depositary Shares(4)	10/13/2026		S(5)		5,681	D	$351.3958(8)	7,818	D
American Depositary Shares(4)	10/13/2026		S(5)		6,558	D	$352.5691(9)	1,260	D
American Depositary Shares(4)	10/13/2026		S(5)		1,260	D	$353.2367(10)	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Share Option (Right to Buy)	$2.84(11)	10/13/2026		M			403,351	(12)	11/15/2026	Ordinary Shares	403,351	$0	403,364	D

Explanation of Responses:

1. These securities are held by a family trust, the beneficiaries of which are the Reporting Person's family members, for which the Reporting Person disclaims beneficial ownership.

2. These securities are held by Wang Investment LLC, of which 99% of the limited liability company interests are owned by two grantor retained annuity trusts, of which the Reporting Person's wife is a trustee, for which the Reporting Person disclaims beneficial ownership.

3. These securities are held by the spouse of the Reporting Person.

4. Each American Depositary Share represents 13 Ordinary Shares.

5. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 9, 2026.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $348.98 to $349.97, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of American Depositary Shares sold at each separate price.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.98 to $350.97, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of American Depositary Shares sold at each separate price.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $350.98 to $351.97, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of American Depositary Shares sold at each separate price.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $351.99 to $352.95, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of American Depositary Shares sold at each separate price.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $353.01 to $353.325, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of American Depositary Shares sold at each separate price.

11. The number of securities underlying each option and the exercise price therefor are represented in ordinary shares.

12. These securities vest over a four-year period as follows: 25% on July 13, 2017, and the remaining in 36 successive equal monthly installments, subject to continued service. All unvested shares subject to this option are subject to accelerated vesting upon certain termination events.

Remarks:

	/s/ Frank Collazo, as Attorney-in-Fact	10/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)