ONC (NASDAQ: ONC) insider dispositions; 3,410 ADS tied to restricted vesting

Rhea-AI Filing Summary

ONC files a Form 144 to sell 3,410 ADS. The filing lists the sale as Restricted Stock Vesting Under a Registered Plan, with the issuer identified as the recipient of the vested ADS on 06/22/2026. The excerpt also reports three recent ADS dispositions by John Oyler: 4,940 ADS on 06/08/2026, 1,949 ADS on 06/11/2026, and 3,693 ADS on 06/16/2026, each showing corresponding gross proceeds.

Insights

Securities Compliance Counsel

Form 144 reports sales of ADS tied to a vesting event and recent dispositions by an affiliate.

The filing lists 3,410 ADS associated with restricted stock vesting under a registered plan, dated 06/22/2026. That line identifies the issuer as the recipient of the vested ADS and ties the transaction to a registered-plan mechanism.

Separate rows show three prior ADS dispositions by John Oyler on 06/08/2026, 06/11/2026, and 06/16/2026. The document displays share counts and gross proceeds for those sales; timing and method details beyond the dates are not shown in the excerpt.

Key Figures

ADS to be sold: 3,410 ADS Disposition by John Oyler: 4,940 ADS Disposition by John Oyler: 1,949 ADS +1 more

4 metrics

ADS to be sold 3,410 ADS Restricted Stock Vesting Under a Registered Plan on 06/22/2026

Disposition by John Oyler 4,940 ADS Sale on 06/08/2026, gross proceeds $1,336,547.63

Disposition by John Oyler 1,949 ADS Sale on 06/11/2026, gross proceeds $501,354.72

Disposition by John Oyler 3,693 ADS Sale on 06/16/2026, gross proceeds $980,686.49

Key Terms

ADS, Restricted Stock Vesting, Form 144

3 terms

ADS market

"ADS | 06/22/2026 | Restricted Stock Vesting"

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 regulatory

"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.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

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Available on EDGAR 06/23/2026 - 04:14 PM Accepted by SEC EDGAR 06/23/2026 - 04:13 PM 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
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

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	3410	933592.19	54885669	06/23/2026	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	06/22/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			3410	06/22/2026	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
JOHN OYLER 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/16/2026	3693	980686.49
JOHN OYLER 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/11/2026	1949	501354.72
JOHN OYLER 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	06/08/2026	4940	1336547.63

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 disclose about the 3,410 ADS?

It discloses the intended sale of 3,410 ADS tied to restricted stock vesting under a registered plan on 06/22/2026. The filing lists the issuer as the recipient of the vested ADS and identifies the transaction type as restricted stock vesting.

Who reported recent ADS dispositions in the excerpt for ONC?

The excerpt shows dispositions by John Oyler on three dates: 4,940 ADS on 06/08/2026, 1,949 ADS on 06/11/2026, and 3,693 ADS on 06/16/2026. Each row includes the gross proceeds for those transactions.

Are the proceeds from the ADS sales paid to the issuer or selling holder?

The excerpt lists gross proceeds next to each disposition row but does not state who ultimately received the proceeds. The line for the 3,410 ADS labels the transaction as 'Issuer' for the vesting event.

Does the filing state the method or broker for the sales of ADS?

The provided excerpt does not specify the distribution method or broker-dealer details for the listed ADS sales. Only dates, share counts, and gross proceeds are shown in the visible rows.

What dates are associated with the reported ADS transactions?

The excerpt ties the vesting/sale line to 06/22/2026 and lists prior dispositions on 06/08/2026, 06/11/2026, and 06/16/2026. Those dates appear adjacent to each ADS share count in the filing.