ONC insiders plan sale of 240,810 ADS

The filing by insiders of ONC details planned and recent sales of equity under Rule 144.

Rhea-AI Filing Summary

The filing by insiders of ONC details planned and recent sales of equity under Rule 144. It lists 240,810 ADS to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services, with an aggregate market value of $83,866,898.70, for trading on NASDAQ on or after August 10, 2026. The securities to be sold include ADS obtained from previously exercised stock options and ADS from founders shares. The filing also reports multiple recent 10b5-1 sales of ADS and common shares by John V. Oyler and the Pan-Oyler Foundation over June and July 2026, providing dates, share amounts, and dollar values for each transaction.

Key Figures

ADS planned for sale: 240,810 ADS Aggregate market value of planned ADS sale: $83,866,898.70 10b5-1 ADS sale on July 16, 2026: 166,597 ADS for $52,992,223.32 +3 more

6 metrics

ADS planned for sale 240,810 ADS ADS to be sold through Morgan Stanley Smith Barney LLC on or after August 10, 2026

Aggregate market value of planned ADS sale $83,866,898.70 Value associated with 240,810 ADS to be sold on NASDAQ

10b5-1 ADS sale on July 16, 2026 166,597 ADS for $52,992,223.32 10b5-1 sale of ADS by John V. Oyler on July 16, 2026

10b5-1 ADS sale on July 14, 2026 133,600 ADS for $40,887,411.60 10b5-1 ADS sale by John V. Oyler on July 14, 2026

Foundation ADS sale on July 13, 2026 37,722 ADS for $11,483,218.07 10b5-1 ADS sale by Pan-Oyler Foundation on July 13, 2026

Common stock sale on June 8, 2026 4,940 shares for $1,336,566.40 Common shares sold by John V. Oyler on June 8, 2026

Key Terms

ADS, Rule 144, 10b5-1, Founders Shares, +1 more

5 terms

ADS financial

"The filing lists ADS to be sold through Morgan Stanley Smith Barney LLC"

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.

Rule 144 regulatory

"planned and recent sales of equity under 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.

10b5-1 regulatory

"The filing reports multiple 10b5-1 sales of ADS by John V. Oyler"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Founders Shares financial

"ADS from founders shares dated October 7, 2014"

Founders shares are a special block of a company’s stock originally given to the people who started the business; they often carry extra voting power or favorable terms compared with regular shares. For investors, these shares matter because they concentrate control and influence how future funding, ownership dilution, and decision-making will play out—think of founders shares as the steering wheel that can steer a company’s direction even as more passengers (investors) climb aboard.

Previously Exercised Stock Options financial

"ADS obtained from previously exercised stock options dated March 3, 2025"

FAQ

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

What does the ONC Form 144 filing disclose about ADS sales?

The filing discloses plans to sell 240,810 ADS of ONC, with an aggregate market value of $83,866,898.70, through Morgan Stanley Smith Barney LLC on NASDAQ on or after August 10, 2026.

Which ONC securities are covered by the planned Rule 144 sales?

The planned Rule 144 sales for ONC cover ADS derived from previously exercised stock options dated March 3, 2025 and from founders shares dated October 7, 2014, both originally issued by the company.

What recent 10b5-1 sales by John V. Oyler are reported for ONC?

The filing reports multiple 10b5-1 sales of ONC ADS by John V. Oyler in July 2026, including transactions such as 166,597 ADS sold for $52,992,223.32 on July 16, 2026, along with several smaller sales on nearby dates.

Are any ONC-related foundation sales included in this Form 144?

Yes. The filing lists 10b5-1 sales of ONC ADS by the Pan-Oyler Foundation, including 37,722 ADS sold for $11,483,218.07 on July 13, 2026 and 11,819 ADS for $3,525,783.80 on July 10, 2026.

Does the ONC Form 144 include sales of common stock in addition to ADS?

Yes. It reports sales of ONC common stock by John V. Oyler in June 2026, including 4,940 shares for $1,336,566.40 on June 8, 2026 and several additional smaller common share transactions later in June.

What is the role of Morgan Stanley Smith Barney LLC in the ONC Form 144?

Morgan Stanley Smith Barney LLC Executive Financial Services is identified as the broker handling the planned sale of 240,810 ONC ADS, with a disclosed aggregate market value of $83,866,898.70, to be sold on NASDAQ.

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

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Accepted by SEC EDGAR 08/10/2026 - 04:36 PM EDT 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	0001042047
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	JOHN V OYLER
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	Director
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	240810	83866898.70	57914782	08/10/2026	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 *
Common	03/03/2025	Previously Exercised Stock Options	Issuer			229115	03/03/2025	Cash
ADS	10/07/2014	Founders Shares	Issuer			11695	10/07/2014	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
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/21/2026	61397	19504058.67
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/20/2026	48316	15086796.62
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/17/2026	64628	20163910.15
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/16/2026	166597	52992223.32
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/15/2026	116557	36359373.37
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/14/2026	133600	40887411.60
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/14/2026	12261	3739010.34
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/13/2026	48520	14766882.48
10b5-1 Sales for PAN-OYLER FOUNDATIONC/O JOHN OYLER &MICHAEL SCHOEN Aeschengraben 27 Basel V8 4051	ADS	07/13/2026	37722	11483218.07
10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051	ADS	07/10/2026	11698	3489925.17
10b5-1 Sales for PAN-OYLER FOUNDATIONC/O JOHN OYLER &MICHAEL SCHOEN Aeschengraben 27 Basel V8 4051	ADS	07/10/2026	11819	3525783.80
JOHN V OYLER Aeschengraben 27 Basel V8 4051	Common	06/23/2026	3410	933592.21
JOHN V OYLER Aeschengraben 27 Basel V8 4051	Common	06/16/2026	3693	980686.48
JOHN V OYLER Aeschengraben 27 Basel V8 4051	Common	06/11/2026	1949	501354.72
JOHN V OYLER Aeschengraben 27 Basel V8 4051	Common	06/08/2026	4940	1336566.40

144: Remarks and Signature

Remarks	The 229,115 securities to be sold were acquired upon the vesting of Previously Exercised Stock Options during the period of 03/03/2025 through 03/11/2025.
Date of Notice	08/10/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/10/2026
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/ John V Oyler
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)