Insider files to sell 871 ADS for ONC (NASDAQ: ONC) under Rule 144

Rhea-AI Filing Summary

ONC submitted a Form 144 notice indicating 871 ADS referenced under its securities information and a restricted stock vesting event on 06/05/2026. The excerpt lists three recent ADS dispositions: 332 ADS on 05/13/2026 for $103,159.04, 332 ADS on 04/08/2026 for $103,447.88, and 341 ADS on 03/11/2026 for $102,300.00.

Insights

Securities Compliance Analyst

Routine Rule 144 notice with recent small ADS dispositions; no material issuer change.

The filing lists 871 ADS in the securities section and documents a restricted stock vesting on 06/05/2026. It also shows three past small ADS transfers in March–May 2026 with associated dollar amounts.

These entries are administrative disclosures under resale rules. Cash‑flow treatment and buyer identity are not stated in the excerpt; subsequent filings would show consummation details if applicable.

Key Figures

ADS referenced: 871 ADS Disposition on 05/13/2026: 332 ADS Disposition on 04/08/2026: 332 ADS +2 more

5 metrics

ADS referenced 871 ADS Securities information section

Disposition on 05/13/2026 332 ADS Sale recorded for <date>05/13/2026</date> with value <money>$103,159.04</money>

Disposition on 04/08/2026 332 ADS Sale recorded for <date>04/08/2026</date> with value <money>$103,447.88</money>

Disposition on 03/11/2026 341 ADS Sale recorded for <date>03/11/2026</date> with value <money>$102,300.00</money>

Restricted stock vesting date 06/05/2026 Restricted Stock Vesting Under a Registered Plan

Key Terms

ADS, Restricted Stock Vesting Under a Registered Plan, Form 144

3 terms

ADS financial

"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 Under a Registered Plan regulatory

"Restricted Stock Vesting Under a Registered Plan | Issuer | 06/05/2026"

Form 144 regulatory

"CONTENT METADATA: "form_type": "144""

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.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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	871	235539.13	54885669	06/08/2026	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	06/05/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			871	06/05/2026	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
Chan Lee 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	05/13/2026	332	103159.04
Chan Lee 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	04/08/2026	332	103447.88
Chan Lee 94 Solaris Avenue, Camana Bay Grand Cayman E9 KY1 1108	ADS	03/11/2026	341	102300.00

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?

The filing notifies a proposed resale involving 871 ADS, and records a restricted stock vesting on 06/05/2026. It also lists three recent ADS dispositions with dates and dollar amounts for March–May 2026.

How many ADS were listed as sold in recent months for ONC?

The excerpt lists three dispositions: 341 ADS on 03/11/2026, 332 ADS on 04/08/2026, and 332 ADS on 05/13/2026. Each line includes a corresponding dollar figure.

Does the Form 144 state who receives sale proceeds for ONC?

No. The excerpt documents ADS counts, dates, and dollar values but does not specify the recipient of proceeds or whether the issuer receives proceeds from sales.

Is the 06/05/2026 entry an issuance or a sale?

The entry on 06/05/2026 is labeled as Restricted Stock Vesting Under a Registered Plan, indicating vesting of restricted ADS under a registered plan rather than an open-market sale.