ONC (NASDAQ: ONC) affiliate files to sell 945 ADS; 212 ADS sold recently

Rhea-AI Filing Summary

ONC affiliate filed a Section 144 notice to sell 945 ADS. The filing states the ADS arise from restricted stock vesting under a registered plan and lists a planned cash sale with an anticipated sale date of 05/26/2026.

The filing also reports that 212 ADS were sold on 05/22/2026 for $65,632.97. The form bears a filing reference date of 06/15/2026.

Insights

Securities Attorney

Section 144 notice for resale of vested ADS; transactions are routine affiliate disclosures.

The filing lists 945 ADS offered for sale tied to restricted stock vesting under a registered plan, with a stated sale method of cash and an anticipated sale date of 05/26/2026. This is a disclosure required when affiliated holders propose resales.

Prior activity is shown: 212 ADS were sold on 05/22/2026 for $65,632.97. Cash‑flow treatment identifies the seller receiving proceeds; timing and actual execution depend on holder action and market availability.

Key Figures

ADS offered for resale: 945 ADS Recent ADS sold: 212 ADS Proceeds reported for recent sale: $65,632.97 +2 more

5 metrics

ADS offered for resale 945 ADS planned cash sale dated 05/26/2026

Recent ADS sold 212 ADS sold on 05/22/2026

Proceeds reported for recent sale $65,632.97 aggregate for 212 ADS sold on 05/22/2026

Filing reference date 06/15/2026 date shown on the form

Planned sale date 05/26/2026 anticipated date for sale of 945 ADS

Key Terms

ADS, Section 144, restricted stock vesting

3 terms

ADS financial

"ADS | Morgan Stanley Smith Barney LLC Executive Financial Services"

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.

Section 144 regulatory

"Filer Information | 144: Filer Information"

restricted stock vesting financial

"Restricted Stock Vesting Under a Registered Plan"

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.

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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	945	250893.81	54885669	06/15/2026	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	05/21/2025	Restricted Stock Vesting Under a Registered Plan	Issuer			945	05/26/2026	Cash

* 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
CORAZON D. SANDERS 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	05/22/2026	212	65632.97

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 filing report?

It reports an affiliate's proposed resale of 945 ADS tied to restricted stock vesting, with a planned cash sale date of 05/26/2026. The form is a regulatory notice required for affiliates seeking to sell restricted securities.

Did ONC report any recent ADS sales by affiliates?

Yes. The filing lists that an affiliate sold 212 ADS on 05/22/2026 for $65,632.97. That sale is disclosed as transactions in the past three months on the notice.

Are the ADS being sold from new grants or vested awards for ONC?

The filing states the ADS derive from restricted stock vesting under a registered plan, indicating the securities became vested and are being offered for resale by an affiliate under Section 144.

When was the ONC Form 144 filing dated?

The filing shows a reference date of 06/15/2026. This date appears on the form and anchors the disclosure of the proposed resale and recent transactions.