Owens Corning (OC) awards 3,250-share RSU grant to Insulation president

Rhea-AI Filing Summary

Canovas De La Nuez Jose Manuel reported acquisition or exercise transactions in this Form 4 filing.

Owens Corning executive Jose Manuel Canovas De La Nuez, President, Insulation, received a grant of 3,250 shares of $.01 par value common stock on August 10, 2026. The award consists of restricted stock units granted under the Owens Corning 2023 Stock Plan. Following this equity award, his directly held position increased to 18,955 shares of common stock.

Insider Trade Summary

Net Buyer: 3,250 shares

Net Buy 1 txn

Insider Canovas De La Nuez Jose Manuel

Role President, Insulation

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common F1	3,250	$153.80	$500K

Holdings After Transaction: $.01 Par Value Common — 18,955 shares (Direct)

Footnotes (1)

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

Key Figures

Shares granted: 3,250 shares Grant value per share: $153.80 per share Shares held after transaction: 18,955 shares

3 metrics

Shares granted 3,250 shares Restricted stock unit grant on August 10, 2026

Grant value per share $153.80 per share Reported transaction price for the RSU grant

Shares held after transaction 18,955 shares Direct common stock holdings following the grant

Key Terms

restricted stock units, Form 4, grant/award acquisition, 2023 Stock Plan

4 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.

Form 4 regulatory

"The Form 4 shows a grant/award acquisition, coded “A,”"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

grant/award acquisition financial

"The Form 4 shows a grant/award acquisition, coded “A,”"

2023 Stock Plan financial

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

FAQ

What insider transaction did Owens Corning (OC) report for Jose Manuel Canovas De La Nuez?

Owens Corning reported that President, Insulation, Jose Manuel Canovas De La Nuez acquired 3,250 shares of common stock as a grant of restricted stock units under the company’s 2023 Stock Plan on August 10, 2026.

Was the Owens Corning (OC) Form 4 transaction a grant or an open-market trade?

The Form 4 shows a grant/award acquisition, coded “A,” representing restricted stock units granted under the Owens Corning 2023 Stock Plan, rather than an open-market purchase or sale at the prevailing market price.

What price per share is associated with the Owens Corning (OC) equity grant?

The reported value for the grant is $153.80 per share for the 3,250 shares of $.01 par value common stock awarded to Jose Manuel Canovas De La Nuez on August 10, 2026.

How many Owens Corning (OC) shares does Jose Manuel Canovas De La Nuez hold after this grant?

After the grant of 3,250 shares, Jose Manuel Canovas De La Nuez’s directly held position in Owens Corning common stock totals 18,955 shares, as reported in the Form 4 filing’s post-transaction holdings column.

What plan governs the restricted stock units granted by Owens Corning (OC) in this Form 4?

The restricted stock units granted to Jose Manuel Canovas De La Nuez were issued under the Owens Corning 2023 Stock Plan, as indicated in the footnote attached to the reported transaction.

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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^*

Canovas De La Nuez Jose Manuel

(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, Insulation

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		3,250(1)	A	$153.8	18,955	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)