ONC stock (NASDAQ: ONC) holders file to sell 513,574 ADS

Rhea-AI Filing Summary

Holders of ONC securities filed notice of a proposed sale of 513,574 ADS through Morgan Stanley Smith Barney LLC Executive Financial Services, with an aggregate market value of $156,105,953.04, expected to trade on NASDAQ on July 14, 2026.

The ADS relate to 425,590 ADS from stock options exercised on July 14, 2026, 75,723 ADS from stock options previously exercised on March 3, 2025, and 12,261 ADS from restricted stock units dated June 5, 2026. Separately, 54,885,669 ADS were outstanding; this is a baseline figure, not the amount being sold. Recent 10b5-1 plan sales by John Oyler, the Pan-Oyler Foundation and John V. Oyler covered ADS and common shares on several dates in June and July 2026.

Key Figures

ADS proposed for sale: 513,574 ADS Aggregate market value: $156,105,953.04 ADS outstanding: 54,885,669 ADS +4 more

7 metrics

ADS proposed for sale 513,574 ADS Number of ADS covered by the planned sale on July 14, 2026

Aggregate market value $156,105,953.04 Total market value of ADS proposed for sale

ADS outstanding 54,885,669 ADS Number of ADS outstanding as referenced in the notice

ADS from stock options (07/14/2026) 425,590 ADS ADS acquired via exercise of stock options on July 14, 2026

ADS from previously exercised options (03/03/2025) 75,723 ADS ADS from stock options previously exercised on March 3, 2025

ADS from restricted stock units (06/05/2026) 12,261 ADS ADS from restricted stock units dated June 5, 2026

10b5-1 ADS sale for John Oyler (07/13/2026) 48,520 ADS; $14,766,882.48 ADS sold under a 10b5-1 plan for John Oyler on July 13, 2026

Key Terms

ADS, 10b5-1, Exercise of Stock Options, Restricted Stock Units

4 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.

10b5-1 regulatory

"10b5-1 Sales for JOHN OYLER Aeschengraben 27 Basel V8 4051"

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.

Exercise of Stock Options financial

"ADS | 07/14/2026 | Exercise of Stock Options | Issuer"

Restricted Stock Units financial

"ADS | 06/05/2026 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

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Available on EDGAR 07/14/2026 - 04:48 PM Accepted by SEC EDGAR 07/14/2026 - 04:48 PM Learn about SEC filing dates

FAQ

How many ADS are proposed for sale for ONC under this notice?

The notice covers a proposed sale of 513,574 ADS on NASDAQ on July 14, 2026, with an aggregate market value of $156,105,953.04. These ADS are being sold through Morgan Stanley Smith Barney LLC Executive Financial Services as broker.

What is the aggregate market value of ONC ADS included in the planned sale?

The planned sale covers ONC ADS with an aggregate market value of $156,105,953.04. This value corresponds to the 513,574 ADS referenced in the notice and reflects their market price at the time the information was prepared.

Which transactions generated the ONC ADS that are being sold?

The ADS come from stock option exercises and restricted stock units. They include 425,590 ADS from stock options exercised on July 14, 2026, 75,723 ADS from stock options previously exercised on March 3, 2025, and 12,261 ADS from restricted stock units dated June 5, 2026.

What ONC securities were sold in the past three months before this notice?

The disclosure lists 10b5-1 plan sales of ONC ADS by John Oyler and the Pan-Oyler Foundation, and sales of ONC common shares by John V. Oyler. These occurred on multiple dates in June and July 2026, each with specified share counts and dollar amounts.

On which exchange are the ONC ADS in this planned sale expected to trade?

The ADS covered by the planned ONC sale are referenced as trading on NASDAQ. The notice identifies NASDAQ as the securities exchange for the 513,574 ADS that are planned to be sold through the named broker.

How many ONC ADS are outstanding compared with the amount being sold?

The notice references 54,885,669 ADS as outstanding, while 513,574 ADS are covered by the planned sale. The 54,885,669 ADS figure represents total outstanding ADS and serves as a baseline context, not the quantity included in this transaction.

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	513574	156105953.04	54885669	07/14/2026	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	07/14/2026	Exercise of Stock Options	Issuer			425590	07/14/2026	Cash
ADS	03/03/2025	Previously Exercised Stock Options	Issuer			75723	03/03/2025	Cash
ADS	06/05/2026	Restricted Stock Units	Issuer			12261	06/05/2026	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	07/13/2026	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

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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)