[Form 4] Owens Corning Insider Trading Activity

Rhea-AI Filing Summary

Maryann T. Mannen, a director of Owens Corning (OC), acquired 318 shares on 08/08/2025 as the deferred-share portion of her quarterly director retainer at an indicated price of $143.88 per share. After the reported acquisition she beneficially owns 26,090.524 shares, held directly. The Form 4 tags the transaction with code A and includes an explanation stating these shares represent director compensation deferred into company stock. The filing shows no dispositions or derivative transactions; it solely documents compensation-related stock acquisition by a director.

Insights

Corporate Governance Expert

TL;DR: Director received deferred shares as compensation; disclosure is standard governance reporting of equity-based director pay.

The Form 4 reports a compensation-related acquisition: 318 shares were received as the deferred portion of the quarterly director retainer. The filing identifies the transaction with code A and clarifies the nature as deferred director fees. For governance review, this is a transparent disclosure of equity compensation and shows an increase in direct beneficial ownership to 26,090.524 shares. There are no sales, option exercises, or derivative positions disclosed in this filing.

Securities Analyst

TL;DR: Acquisition recorded at $143.88 per share raises the director's direct holding; transaction is compensation-driven and limited in scale.

The report documents an acquisition of 318 common shares at an indicated price of $143.88 per share, increasing direct beneficial ownership to 26,090.524 shares. This is explicitly described as the deferred share portion of quarterly retainer/fees, indicating the transaction is part of routine compensation settlement rather than a market-directed purchase or sale. No derivative activity or dispositions are reported, limiting immediate market significance.

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

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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^*

Mannen Maryann T.

(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		318(1)	A	$143.88	26,090.524	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).
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