OC files Form 144 for planned common stock sales

OC submitted a Form 144 notice reporting proposed sales of Common stock via Fidelity Brokerage Services LLC.

Rhea-AI Filing Summary

OC submitted a Form 144 notice reporting proposed sales of Common stock via Fidelity Brokerage Services LLC. The filing lists restricted stock vesting events in February 2026 totaling specific lot sizes on 02/01/2026, 02/02/2026, 02/05/2026, and 02/25/2026.

Insights

Securities Counsel

Form 144 notifies a proposed affiliate resale of vested restricted shares.

Form 144 is a regulatory notice under resale rules that permits an affiliate to report proposed sales of securities. This filing lists four restricted stock vesting lots with dates and share counts, and names the broker involved.

Timing and execution details are not provided here; subsequent transaction reports or broker records would show whether sales occurred.

Key Figures

Filing type: Form 144 Broker: Fidelity Brokerage Services LLC Vesting lot: 344 shares +3 more

6 metrics

Filing type Form 144 notice of proposed resale

Broker Fidelity Brokerage Services LLC intermediary named in the notice

Vesting lot 344 shares Restricted stock vesting on <date>02/01/2026</date>

Vesting lot 140 shares Restricted stock vesting on <date>02/02/2026</date>

Vesting lot 207 shares Restricted stock vesting on <date>02/05/2026</date>

Vesting lot 9 shares Restricted stock vesting on <date>02/25/2026</date>

Key Terms

Restricted Stock Vesting, Form 144, Issuer

3 terms

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 344 | 02/01/2026"

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.

Issuer financial

"Restricted Stock Vesting | Issuer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does OC's Form 144 disclose?

It discloses proposed sales of Common stock by an affiliate through Fidelity Brokerage Services LLC. The filing lists restricted stock vesting lots of 344, 140, 207, and 9 shares with February 2026 vesting dates and identifies the broker and exchange.

Does Form 144 mean the shares were sold?

No, Form 144 is a notice of proposed resale and does not confirm completion. It reports intended sales tied to specific vesting events; actual sale execution and amounts would appear in later transaction records or brokerage confirmations.

Which broker and exchange are named in the filing?

The filing names Fidelity Brokerage Services LLC and lists the exchange as NYSE. Broker and exchange are disclosed as the proposed intermediaries for any resale of the vested restricted shares.

What share lots and vesting dates are listed for OC?

The filing lists restricted stock vesting lots of 344 shares on 02/01/2026, 140 shares on 02/02/2026, 207 shares on 02/05/2026, and 9 shares on 02/25/2026, as shown in the notice.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/28/2026 - 09:47 AM 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	0002066981
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Owens Corning
SEC File Number	001-33100
Address of Issuer	ONE OWENS CORNING PARKWAY TOLEDO OHIO 43659
Phone	419-248-8000
Name of Person for Whose Account the Securities are To Be Sold	Marcon Rachel Barthelemy
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	Officer

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
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	700	84497.00	80528319	05/28/2026	NYSE

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 *
Common	02/01/2026	Restricted Stock Vesting	Issuer			344	02/01/2026	Compensation
Common	02/02/2026	Restricted Stock Vesting	Issuer			140	02/02/2026	Compensation
Common	02/05/2026	Restricted Stock Vesting	Issuer			207	02/05/2026	Compensation
Common	02/25/2026	Restricted Stock Vesting	Issuer			9	02/25/2026	Compensation

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/28/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/27/2026
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	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Rachel Marcon
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)