Owens Corning (OC) awards 6,501 restricted stock units to President, Doors

Rhea-AI Filing Summary

Marcon Rachel Barthelemy reported acquisition or exercise transactions in this Form 4 filing.

Owens Corning reported that Rachel Barthelemy Marcon, President, Doors, received a grant of 6,501 shares of $.01 par value common stock on 2026-08-10. The award is in the form of restricted stock units granted under the Owens Corning 2023 Stock Plan. Following this grant, her directly held common stock position is 22,349 shares.

Insider Trade Summary

Net Buyer: 6,501 shares

Net Buy 1 txn

Insider Marcon Rachel Barthelemy

Role President, Doors

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common F1	6,501	$153.80	$1000K

Holdings After Transaction: $.01 Par Value Common — 22,349 shares (Direct)

Footnotes (1)

1. F1. Restricted stock units granted under the Owens Corning 2023 Stock Plan.

Key Figures

Shares granted: 6,501 shares Reported price per share: $153.80 Shares owned after transaction: 22,349 shares +1 more

4 metrics

Shares granted 6,501 shares Restricted stock units granted on 2026-08-10 under the Owens Corning 2023 Stock Plan

Reported price per share $153.80 Value per share used for the 6,501-share restricted stock unit grant

Shares owned after transaction 22,349 shares Directly held $.01 par value common stock following the grant

Transaction code A Classified as a grant, award, or other acquisition of non-derivative common stock

Key Terms

Restricted stock units, Owens Corning 2023 Stock Plan, Grant, award, or other acquisition

3 terms

Restricted stock units financial

"Restricted stock units granted under the Owens Corning 2023 Stock Plan."

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.

Owens Corning 2023 Stock Plan financial

"Restricted stock units granted under the Owens Corning 2023 Stock Plan."

Grant, award, or other acquisition financial

"transaction code description indicates a Grant, award, or other acquisition."

FAQ

What did Owens Corning (OC) disclose about insider Rachel Barthelemy Marcon?

Owens Corning disclosed that Rachel Barthelemy Marcon, its President, Doors, received a grant of 6,501 restricted stock units of $.01 par value common stock on 2026-08-10 under the Owens Corning 2023 Stock Plan.

How many Owens Corning (OC) shares were granted to Rachel Barthelemy Marcon?

Rachel Barthelemy Marcon was granted 6,501 shares of $.01 par value common stock in the form of restricted stock units, increasing her directly held common stock position to 22,349 shares after the transaction.

What was the reported price per share for the Owens Corning (OC) grant?

The reported price per share for the grant to Rachel Barthelemy Marcon was $153.80. This reflects the value used in the Form 4 for the 6,501-share restricted stock unit award under the Owens Corning 2023 Stock Plan.

What type of equity did Owens Corning (OC) grant in this Form 4 filing?

Owens Corning granted restricted stock units to Rachel Barthelemy Marcon. The Form 4 notes that 6,501 RSUs were awarded under the Owens Corning 2023 Stock Plan, tied to $.01 par value common stock.

What are Rachel Barthelemy Marcon’s Owens Corning (OC) holdings after this grant?

After the reported transaction, Rachel Barthelemy Marcon directly holds 22,349 shares of Owens Corning $.01 par value common stock. This figure includes the impact of the 6,501-share restricted stock unit grant reported in the filing.

Was the Owens Corning (OC) insider transaction a purchase or an award?

The reported Owens Corning transaction is an award, not a market purchase. The Form 4 classifies it as a grant or other acquisition of 6,501 restricted stock units under the Owens Corning 2023 Stock Plan.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/12/2026 - 04:17 PM Accepted by SEC EDGAR 08/12/2026 - 04:16 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Marcon Rachel Barthelemy

(Last) (First) (Middle)

ONE OWENS CORNING PARKWAY

(Street)

TOLEDO OHIO 43659-0001

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Owens Corning [ OC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, Doors

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
$.01 Par Value Common	08/10/2026		A		6,501(1)	A	$153.8	22,349	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Restricted stock units granted under the Owens Corning 2023 Stock Plan.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	08/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)