Owens Corning (OC) director Alfred Festa receives 406-share equity award

Rhea-AI Filing Summary

Owens Corning director Alfred E. Festa reported an equity award of company stock. On the reported date, he acquired 406 shares of $.01 par value common stock as a grant or award, at a price of $122.07 per share, as the deferred share portion of his quarterly director retainer and fees. Following this award, his directly owned stake increased to 12,420.833 shares of Owens Corning common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider FESTA ALFRED E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common	406	$122.07	$50K

Holdings After Transaction: $.01 Par Value Common — 12,420.833 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

FESTA ALFRED E

(Last) (First) (Middle)

ONE OWENS CORNING PARKWAY

(Street)

TOLEDO OH 43659

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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

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

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

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	02/27/2026		A		406(1)	A	$122.07	12,420.833	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. Deferred share portion of quarterly Director retainer/fees.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	03/03/2026
	** 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.

FAQ

What insider transaction did Owens Corning (OC) disclose for Alfred E. Festa?

Owens Corning disclosed that director Alfred E. Festa acquired 406 shares of $.01 par value common stock as a grant or award. This award represents the deferred share portion of his quarterly director retainer and fees, rather than an open-market purchase.

How many Owens Corning (OC) shares did Alfred E. Festa acquire in this Form 4?

Alfred E. Festa acquired 406 shares of Owens Corning $.01 par value common stock. The transaction is coded as a grant, award, or other acquisition, reflecting deferred shares received as part of his quarterly director retainer and fee compensation in equity form.

At what price were Alfred E. Festa’s Owens Corning (OC) award shares reported?

The 406 Owens Corning shares granted to Alfred E. Festa were reported at $122.07 per share. This price is used for reporting the value of the equity award, which represents deferred shares tied to his quarterly compensation as a member of the board of directors.

What is Alfred E. Festa’s Owens Corning (OC) share ownership after this transaction?

After this equity award, Alfred E. Festa directly owns 12,420.833 Owens Corning common shares. This total reflects his holdings following the grant of 406 deferred shares received as part of his quarterly director retainer and fee package, as disclosed in the Form 4 filing.

Was Alfred E. Festa’s Owens Corning (OC) transaction a market buy or a compensation award?

The transaction was reported as a grant, award, or other acquisition, not a market purchase. The 406 shares represent the deferred share portion of Alfred E. Festa’s quarterly director retainer and fees, indicating compensation paid in company stock rather than cash.

Does the Owens Corning (OC) Form 4 show Alfred E. Festa’s ownership as direct or indirect?

The Form 4 reports Alfred E. Festa’s ownership as direct, coded with a “D” for ownership type. The 12,420.833 shares shown after the grant are held directly, and no footnote indicates that another entity or trust holds voting or investment authority over these shares.