Owens Corning (OC) CFO receives 19,504-share restricted stock grant

Rhea-AI Filing Summary

Collins Jonathan Mark reported acquisition or exercise transactions in this Form 4 filing.

Owens Corning reported that its EVP & Chief Financial Officer, Jonathan Mark Collins, received a grant of 19,504 shares of $.01 par value common stock on 2026-08-10. The award, priced at $153.80 per share for reporting purposes, represents restricted stock units granted under the Owens Corning 2023 Stock Plan, bringing his directly held shares to 19,504.

Insider Trade Summary

Net Buyer: 19,504 shares

Net Buy 1 txn

Insider Collins Jonathan Mark

Role EVP & Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common F1	19,504	$153.80	$3.00M

Holdings After Transaction: $.01 Par Value Common — 19,504 shares (Direct)

Footnotes (1)

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

Key Figures

Shares granted: 19,504 shares Reported grant price: $153.80 per share Shares held after grant: 19,504 shares

3 metrics

Shares granted 19,504 shares Restricted stock units granted on 2026-08-10

Reported grant price $153.80 per share Value used for the 19,504-share award

Shares held after grant 19,504 shares Directly owned by CFO following the reported transaction

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 is Grant, award, or other acquisition"

FAQ

What insider transaction did Owens Corning (OC) report for Jonathan Mark Collins?

Owens Corning reported that EVP & Chief Financial Officer Jonathan Mark Collins received a grant of 19,504 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 the CFO in this Form 4?

The filing shows a grant of 19,504 shares of Owens Corning $.01 par value common stock to the EVP & Chief Financial Officer. After this award, his directly held position reported in the filing is 19,504 shares.

What was the reported value per share for the Owens Corning (OC) CFO’s stock award?

The award to the Owens Corning CFO was reported at $153.80 per share. This price is used for reporting the value of the 19,504 restricted stock units granted under the company’s 2023 Stock Plan.

Is the Owens Corning (OC) CFO’s Form 4 transaction a market purchase or a compensation grant?

The transaction is a compensation-related grant, coded “A” for grant, award, or other acquisition. Footnotes state it consists of restricted stock units granted under the Owens Corning 2023 Stock Plan, not an open-market purchase.

How many Owens Corning (OC) shares does the CFO hold after this reported grant?

Following this grant, the Form 4 reports that the Owens Corning EVP & Chief Financial Officer directly holds 19,504 shares of $.01 par value common stock. This holding figure comes from the transaction’s “shares following” disclosure.

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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
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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^*

Collins Jonathan Mark

(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)
	EVP & Chief Financial Officer

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		19,504(1)	A	$153.8	19,504	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)