BeOne Medicines (ONC) SVP gets RSU and option grants, sells ADS for taxes

Rhea-AI Filing Summary

BeOne Medicines Ltd. senior vice president and general counsel Henry Lee Chan reported a mix of equity transactions. He sold 428 American Depositary Shares at $257.635 per ADS pursuant to a mandatory tax withholding provision tied to a previously granted restricted share unit award. Each ADS represents 13 Ordinary Shares.

He also acquired 45,071 Ordinary Shares underlying restricted share units that vest over four years starting on June 11, 2026, with 1/4 vesting on each anniversary, subject to continued service. In addition, he received a share option for 87,308 Ordinary Shares at an exercise price of $20.81 per share, expiring on June 10, 2036, vesting 25% on the first anniversary of June 11, 2026 and monthly thereafter. Following these transactions, he directly holds 346,554 Ordinary Shares and 87,308 options.

Insider Trade Summary

Net Seller: 428 shares ($110,268)

Net Sell 3 txns

Insider Lee Chan Henry

Role SVP, General Counsel

Sold 428 shs ($110K)

Type	Security	Shares	Price	Value
Grant/Award	Share Option (Right to Buy)	87,308	$0.00	--
Grant/Award	Ordinary Shares	45,071	$0.00	--
Sale	American Depositary Shares	428	$257.635	$110K

Holdings After Transaction: Share Option (Right to Buy) — 87,308 shares (Direct, null); Ordinary Shares — 346,554 shares (Direct, null); American Depositary Shares — 0 shares (Direct, null)

Footnotes (1)

1. Represents securities underlying restricted share units. 1/4th of the securities will vest on each anniversary of June 11, 2026, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events. Each American Depositary Share represents 13 Ordinary Shares. The sale was effected pursuant to a mandatory tax withholding provision in the Reporting Person's restricted share unit award agreement in connection with the vesting of a restricted share unit award previously granted to the Reporting Person. 1/4th of the securities will vest on each anniversary of June 10, 2025, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events following a change in control. The number of securities underlying each option and the exercise price therefor are represented in ordinary shares. These securities vest over a four-year period as follows: 25% on the first anniversary of June 11, 2026 with the remaining shares vesting in 36 equal successive monthly installments thereafter, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events.

Key Figures

ADS sold for tax withholding: 428 ADS at $257.635 each ADS to Ordinary share ratio: 1 ADS = 13 Ordinary Shares RSU Ordinary Shares granted: 45,071 Ordinary Shares +5 more

8 metrics

ADS sold for tax withholding 428 ADS at $257.635 each Mandatory tax withholding sale on June 11, 2026

ADS to Ordinary share ratio 1 ADS = 13 Ordinary Shares Conversion ratio for BeOne Medicines ADS

RSU Ordinary Shares granted 45,071 Ordinary Shares Restricted share units granted June 11, 2026

Post-transaction Ordinary Shares held 346,554 Ordinary Shares Direct holdings after reported transactions

Option grant size 87,308 Ordinary Shares Share option (right to buy) awarded

Option exercise price $20.81 per Ordinary Share Strike price of share option grant

Option expiration date June 10, 2036 Share option term end for 87,308 shares

Initial vesting fraction 25% on first anniversary Vesting schedule for RSUs and option grant

Key Terms

restricted share units, American Depositary Shares, mandatory tax withholding, Share Option (Right to Buy), +1 more

5 terms

restricted share units financial

"Represents securities underlying restricted share units. 1/4th of the securities will vest"

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

American Depositary Shares financial

"Each American Depositary Share represents 13 Ordinary Shares."

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.

mandatory tax withholding financial

"The sale was effected pursuant to a mandatory tax withholding provision in the Reporting Person's restricted share unit award agreement"

Share Option (Right to Buy) financial

"Share Option (Right to Buy) … underlying security title Ordinary Shares"

change in control financial

"Unvested securities are subject to accelerated vesting upon certain termination events following a change in control."

A "change in control" occurs when the ownership or management of a company shifts significantly, such as through a merger, acquisition, or sale of a large part of its assets. This change can impact how the company is run and may influence its future direction. For investors, it matters because it can affect the company's stability, strategy, and value, often signaling potential changes in investment risk or opportunity.

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Form 4 Insider Transactions: What Each Field Means →

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).

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)
06/11/2026

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(1)	06/11/2026		A		45,071	A	$0	346,554	D
American Depositary Shares(2)	06/11/2026		S(3)		428	D	$257.635	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)	$20.81(4)	06/11/2026		A		87,308(4)		(5)	06/10/2036	Ordinary Shares	87,308	$0	87,308	D

Explanation of Responses:

1. Represents securities underlying restricted share units. 1/4th of the securities will vest on each anniversary of June 11, 2026, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events.

2. Each American Depositary Share represents 13 Ordinary Shares.

3. The sale was effected pursuant to a mandatory tax withholding provision in the Reporting Person's restricted share unit award agreement in connection with the vesting of a restricted share unit award previously granted to the Reporting Person. 1/4th of the securities will vest on each anniversary of June 10, 2025, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events following a change in control.

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

5. These securities vest over a four-year period as follows: 25% on the first anniversary of June 11, 2026 with the remaining shares vesting in 36 equal successive monthly installments thereafter, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events.

Remarks:

	/s/ Qing Nian, as Attorney-in-Fact	06/15/2026
	** 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)

FAQ

What insider transactions did ONC executive Henry Lee Chan report on this Form 4?

Henry Lee Chan reported selling 428 American Depositary Shares for tax withholding and receiving 45,071 Ordinary Shares via restricted share units plus options on 87,308 Ordinary Shares, all tied to BeOne Medicines equity compensation.

Was the BeOne Medicines (ONC) insider sale an open-market decision?

The reported sale of 428 American Depositary Shares was effected under a mandatory tax withholding provision linked to a restricted share unit award, indicating the disposition was used to satisfy tax obligations rather than a discretionary open-market trading decision.

How many BeOne Medicines (ONC) shares does Henry Lee Chan hold after the transactions?

After the reported transactions, Henry Lee Chan directly holds 346,554 Ordinary Shares of BeOne Medicines and a share option covering 87,308 additional Ordinary Shares, providing a substantial ongoing equity interest in the company through both stock and options.

What equity awards did ONC grant to Henry Lee Chan in this filing?

BeOne Medicines granted Henry Lee Chan 45,071 Ordinary Shares underlying restricted share units and a share option for 87,308 Ordinary Shares at a $20.81 exercise price, both subject to multi-year vesting schedules and continued service conditions.

How do the restricted share units for ONC’s Henry Lee Chan vest over time?

The restricted share units underlying 45,071 Ordinary Shares vest 1/4 on each anniversary of June 11, 2026, contingent on continued service, with unvested portions eligible for accelerated vesting upon certain termination events described in the award terms.

What are the key terms of Henry Lee Chan’s ONC share option grant?

The share option covers 87,308 Ordinary Shares at a $20.81 exercise price, expiring June 10, 2036. It vests 25% on the first anniversary of June 11, 2026, with the remaining shares vesting in 36 equal monthly installments, subject to continued service.