BeOne Medicines counsel Chan Henry Lee sells shares

BeOne Medicines Ltd. SVP, General Counsel Chan Henry Lee sold 1,115 American Depositary Shares at $375 per share on September 30, 2026, under a Rule 10b5-1 trading plan adopted on May 29, 2026.

Rhea-AI Filing Summary

BeOne Medicines Ltd. SVP, General Counsel Chan Henry Lee sold 1,115 American Depositary Shares at $375 per share on September 30, 2026, under a Rule 10b5-1 trading plan adopted on May 29, 2026. After the sale, his reported direct holding was 311,324 ordinary shares, including 507 acquired under the Company's 2018 Employee Share Purchase Plan. Each American Depositary Share represents 13 ordinary shares.

Insider Trade Summary 10b5-1

Net Seller: 1,115 shares

Net Sell 2 txns

Insider Lee Chan Henry

Role SVP, General Counsel

Sold 1,115 shs ($418K)

Type	Security	Shares	Price	Value
Sale	American Depositary Shares F2, F3	1,115	$375.00	$418K
holding	Ordinary Shares F1	--	--	--

Holdings After Transaction: American Depositary Shares — 0 shares (Direct); Ordinary Shares — 311,324 shares (Direct)

Footnotes (3)

1. F1. Includes 507 ordinary shares acquired pursuant to the Company's 2018 Employee Share Purchase Plan, as amended from time to time.
2. F2. Each American Depositary Share represents 13 Ordinary Shares.
3. F3. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026.

Key Figures

American Depositary Shares sold: 1,115 shares Sale price: $375 per share American Depositary Shares held after sale: 0 shares +3 more

6 metrics

American Depositary Shares sold 1,115 shares September 30, 2026

Sale price $375 per share Sale on September 30, 2026

American Depositary Shares held after sale 0 shares Direct holding following the September 30, 2026 sale

Ordinary shares held 311,324 shares Direct holding reported after the September 30, 2026 sale

Employee Share Purchase Plan shares 507 ordinary shares Included in the reported direct ordinary-share holding

Ordinary shares per American Depositary Share 13 ordinary shares Ratio stated for each American Depositary Share

Key Terms

Rule 10b5-1 trading plan, American Depositary Share, 2018 Employee Share Purchase Plan

3 terms

Rule 10b5-1 trading plan regulatory

"sale was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

American Depositary Share financial

"Each American Depositary Share represents 13 Ordinary Shares"

An American Depositary Share (ADS) is a U.S.-listed certificate that represents a specified number of shares in a foreign company, held by a custodian bank; it works like a receipt that allows U.S. investors to buy and trade foreign equity on American exchanges without dealing with another country’s markets. Investors care because ADSs make foreign stocks easier to access, improve liquidity and settlement in dollars, and can affect dividend payments, voting rights and regulatory oversight compared with buying the underlying foreign shares directly.

2018 Employee Share Purchase Plan financial

"acquired pursuant to the Company's 2018 Employee Share Purchase Plan"

FAQ

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

How many ONC American Depositary Shares did Chan Henry Lee sell, and at what price?

Chan Henry Lee, BeOne Medicines Ltd.'s SVP, General Counsel, sold 1,115 American Depositary Shares at $375 per share on September 30, 2026, under a Rule 10b5-1 trading plan adopted on May 29, 2026.

How many ordinary shares does one ONC American Depositary Share represent?

Each American Depositary Share represents 13 ordinary shares.

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

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Available on EDGAR 10/02/2026 - 04:53 PM Accepted by SEC EDGAR 10/02/2026 - 04:53 PM Learn about SEC filing dates

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^*

Lee Chan Henry

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

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								311,324(1)	D
American Depositary Shares(2)	09/30/2026		S(3)		1,115	D	$375	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

Explanation of Responses:

1. Includes 507 ordinary shares acquired pursuant to the Company's 2018 Employee Share Purchase Plan, as amended from time to time.

2. Each American Depositary Share represents 13 Ordinary Shares.

3. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026.

Remarks:

	/s/ Frank Collazo, as Attorney-in-Fact	10/02/2026
	** 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)