ONC (NASDAQ: ONC) Rule 144 notice: insider ADS vesting and disposals reported

Rhea-AI Filing Summary

ONC submitted a Rule 144 notice reporting proposed sales of American Depositary Shares (ADS) by an affiliate. The filing lists a Restricted Stock Vesting Under a Registered Plan for 1,357 ADS on 06/15/2026 and two prior ADS dispositions by Xiaobin Wu on 06/11/2026 (626 ADS) and 06/08/2026 (1,484 ADS), with dollar amounts shown in the excerpt.

Key Figures

Restricted stock vesting: 1,357 ADS ADS disposition (Jun 11, 2026): 626 ADS Proceeds listed (Jun 11, 2026): $163,512.26 +3 more

6 metrics

Restricted stock vesting 1,357 ADS Restricted Stock Vesting Under a Registered Plan on <date>06/15/2026</date>

ADS disposition (Jun 11, 2026) 626 ADS Disposition by Xiaobin Wu on <date>06/11/2026</date>

Proceeds listed (Jun 11, 2026) $163,512.26 Dollar amount shown alongside 626 ADS on <date>06/11/2026</date>

ADS disposition (Jun 08, 2026) 1,484 ADS Disposition by Xiaobin Wu on <date>06/08/2026</date>

Proceeds listed (Jun 08, 2026) $399,738.11 Dollar amount shown alongside 1,484 ADS on <date>06/08/2026</date>

Amount field on header $361,996.85 Numeric value appearing in the excerpt header (06/16/2026 line)

Key Terms

ADS, Restricted Stock Vesting, Rule 144

3 terms

ADS market

"ADS | Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

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.

Restricted Stock Vesting financial

"Restricted Stock Vesting Under a Registered Plan | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Rule 144 regulatory

"Form 144 header and securities to be sold entries"

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.

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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
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	1357	361996.85	54885669	06/16/2026	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 *
ADS	06/15/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			1357	06/15/2026	Not Applicable

* 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
XIAOBIN WU 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/11/2026	626	163512.26
XIAOBIN WU 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/08/2026	1484	399738.11

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does ONC's Form 144 report?

It reports proposed sales of ADS by an affiliate under Rule 144. The excerpt lists a restricted stock vesting of 1,357 ADS on 06/15/2026 and two reported ADS dispositions by Xiaobin Wu on 06/11/2026 and 06/08/2026.

How many ADS are shown as vested or to be sold in the filing?

The filing shows 1,357 ADS tied to restricted stock vesting on 06/15/2026. It also records prior dispositions of 626 ADS and 1,484 ADS by Xiaobin Wu on nearby dates, with dollar amounts listed in the excerpt.

Who is the reporting party in the Form 144 excerpt for ONC?

The excerpt identifies Xiaobin Wu as a party associated with recent ADS dispositions. Mailing details for Xiaobin Wu appear alongside the ADS sale entries dated 06/11/2026 and 06/08/2026.

Do the proceeds or recipient of proceeds appear in the excerpt?

The excerpt shows dollar amounts next to each ADS disposition (for example, $163,512.26 and $399,738.11). It does not state who receives proceeds or the specific cash‑flow treatment in the provided lines.