[Form 4] Owens Corning Insider Trading Activity

Rhea-AI Filing Summary

Alfred E. Festa, a director of Owens Corning (OC), reported acquiring 309 shares of common stock on 08/08/2025. The filing identifies the shares as the deferred share portion of his quarterly director retainer/fees.

The Form 4 shows a reported price of $143.88 per share and indicates 11,432.015 shares beneficially owned following the transaction, held in a direct ownership form. The filing was made by one reporting person and lists no derivative securities transactions.

Positive

• Director acquisition disclosed: Alfred E. Festa acquired 309 shares (deferred compensation).
• Clear post-transaction ownership: Direct beneficial ownership recorded as 11,432.015 shares.

Negative

• None.

Insights

Financial Analyst

TL;DR: Director Alfred Festa received 309 shares as deferred compensation, raising direct ownership to 11,432.015 shares.

The transaction is a non-derivative acquisition recorded on Form 4 and is explicitly described as the deferred share portion of a quarterly director retainer. Reported price per share is $143.88. As a routine compensation-related acquisition by an individual director and not a change in corporate control or a large open-market purchase, it is informational for ownership tracking but appears immaterial to company valuation based on the data provided.

Corporate Governance Expert

TL;DR: This Form 4 documents a standard director compensation event, not an operational or governance change.

The filing identifies the reporting person as a director and records the acquisition as deferred compensation rather than a discretionary open-market trade. The clear disclosure of transaction type, amount (309 shares), and resulting direct beneficial ownership (11,432.015 shares) meets Section 16 reporting expectations. There are no derivative transactions or indications of a 10b5-1 plan in the provided content.

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^*

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)
08/08/2025

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	08/08/2025		A		309(1)	A	$143.88	11,432.015	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	08/12/2025
	** 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 transaction did Alfred E. Festa report on the Form 4 for Owens Corning (OC)?

He reported an acquisition of 309 shares of Owens Corning common stock on 08/08/2025, described as the deferred share portion of his quarterly director retainer/fees.

What price was reported for the acquired shares on the Form 4?

The Form 4 shows a reported price of $143.88 per share for the acquisition.

How many shares did the reporting person beneficially own after the transaction?

Following the reported transaction, the filing records 11,432.015 shares beneficially owned in a direct form.

What is Alfred E. Festa's relationship to Owens Corning (OC)?

The Form 4 lists Alfred E. Festa as a Director of Owens Corning.

Was the transaction part of a 10b5-1 trading plan or were any derivatives reported?

The provided filing content lists the acquisition as deferred compensation and shows no derivative securities; no 10b5-1 plan indication is shown in the content provided.

Who signed the Form 4 filing?

The filing is signed by /s/ Katherine M. Serevitch, Attorney-in-Fact as shown in the document.