BeOne Medicines SVP sells ADS to cover taxes

BeOne Medicines Ltd. SVP and General Counsel Lee Chan Henry reported a sale of 1,044 American Depositary Shares on July 30, 2026 at $323.69 per ADS.

Rhea-AI Filing Summary

BeOne Medicines Ltd. SVP and General Counsel Lee Chan Henry reported a sale of 1,044 American Depositary Shares on July 30, 2026 at $323.69 per ADS. The sale was executed under a mandatory tax-withholding provision tied to vesting of a restricted share unit award. Each ADS represents 13 ordinary shares, and following the transaction he directly holds 325,312 ordinary shares. The RSU award vests 1/4 of the securities on each anniversary of July 29, 2022, subject to continued service.

Insider Trade Summary

Net Seller: 1,044 shares

Net Sell 2 txns

Insider Lee Chan Henry

Role SVP, General Counsel

Sold 1,044 shs ($338K)

Type	Security	Shares	Price	Value
Sale	American Depositary Shares F1, F2	1,044	$323.69	$338K
holding	Ordinary Shares	--	--	--

Holdings After Transaction: American Depositary Shares — 0 shares (Direct); Ordinary Shares — 325,312 shares (Direct)

Footnotes (2)

1. F1. Each American Depositary Share represents 13 Ordinary Shares.
2. F2. 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 July 29, 2022, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events.

Key Figures

ADS sold: 1,044 American Depositary Shares Sale price per ADS: $323.69 ADS-to-ordinary share ratio: 13 ordinary shares per ADS +2 more

5 metrics

ADS sold 1,044 American Depositary Shares Sale reported on July 30, 2026 by SVP and General Counsel

Sale price per ADS $323.69 Price per American Depositary Share in the July 30, 2026 sale

ADS-to-ordinary share ratio 13 ordinary shares per ADS Each American Depositary Share represents 13 Ordinary Shares

Ordinary shares held after transaction 325,312 ordinary shares Direct ownership reported following the transactions

RSU vesting schedule 1/4 on each anniversary of July 29, 2022 Vesting terms for the restricted share unit award, subject to continued service

Key Terms

American Depositary Share, restricted share unit, mandatory tax withholding, accelerated vesting

4 terms

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.

restricted share unit financial

"in connection with the vesting of a restricted share unit award previously granted"

A restricted share unit (RSU) is a promise by a company to give an employee a set number of company shares at a future date, typically after meeting time or performance conditions. For investors, RSUs matter because when they convert into actual shares they increase the number of shares outstanding (like unlocking more tickets in a game), which can dilute existing holders, and they align employee incentives with company performance, influencing behavior and long-term value.

mandatory tax withholding financial

"The sale was effected pursuant to a mandatory tax withholding provision"

accelerated vesting financial

"Unvested securities are subject to accelerated vesting upon certain termination events"

A contract feature that makes stock awards, options, or restricted shares become owned or exercisable earlier than the original schedule. It shortens or cancels the waiting period so recipients can sell, transfer, or exercise their equity sooner — think of a timed lock that is unlocked ahead of schedule. It matters to investors because it changes when shares enter the market, who controls them, and how much dilution or ownership concentration happens.

FAQ

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

What insider transaction did BeOne Medicines (ONC) report in this Form 4?

BeOne Medicines reported that SVP and General Counsel Lee Chan Henry sold 1,044 American Depositary Shares on July 30, 2026 at $323.69 per ADS. The transaction was linked to tax withholding on a vesting restricted share unit award, not a discretionary open-market sale.

Why did Lee Chan Henry sell BeOne Medicines (ONC) ADS in this filing?

The 1,044 ADS sale was executed under a mandatory tax withholding provision in his restricted share unit award agreement. Shares were sold to satisfy tax obligations arising from RSU vesting, rather than as a voluntary portfolio reallocation or discretionary share sale.

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

After the reported transaction, Lee Chan Henry directly holds 325,312 Ordinary Shares of BeOne Medicines. The Form 4 lists no remaining ADS holdings, but shows this ordinary share position as his direct ownership following the July 30, 2026 tax-related sale of ADS.

What is the conversion ratio between BeOne Medicines (ONC) ADS and Ordinary Shares?

Each BeOne Medicines American Depositary Share (ADS) represents 13 Ordinary Shares. This means the reported sale of 1,044 ADS corresponds economically to a multiple of the company’s ordinary shares, although the Form 4 itself expresses the transaction solely in ADS terms.

Was the BeOne Medicines (ONC) insider sale made under a Rule 10b5-1 trading plan?

The Form 4 indicates the Rule 10b5-1 checkbox is not marked as an affirmatively adopted plan. Instead, the filing specifies the sale occurred under a mandatory tax withholding provision associated with a restricted share unit award, rather than a discretionary preset trading program.

How is the BeOne Medicines (ONC) restricted share unit award structured for this insider?

The restricted share unit award vests so that 1/4 of the securities vests on each anniversary of July 29, 2022, contingent on continued service. Unvested securities are subject to accelerated vesting upon certain termination events, as described in the footnote to the reported transaction.

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

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Available on EDGAR 08/03/2026 - 05:19 PM Accepted by SEC EDGAR 08/03/2026 - 05:18 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).

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)
07/30/2026

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								325,312	D
American Depositary Shares(1)	07/30/2026		S(2)		1,044	D	$323.69	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. Each American Depositary Share represents 13 Ordinary Shares.

2. 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 July 29, 2022, subject to continued service. Unvested securities are subject to accelerated vesting upon certain termination events.

Remarks:

	/s/ Chan Henry Lee	08/03/2026
	** 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)