Owens Corning (NYSE: OC) director credited dividend-equivalent shares

Rhea-AI Filing Summary

Owens Corning director Maryann T. Mannen reported a routine share accrual linked to dividend equivalents. On January 21, 2026, she acquired 146.751 shares of Owens Corning $.01 par value common stock at $124.68 per share, as an accrual of dividend equivalents on deferred stock units.

Following this transaction, she directly beneficially owned 26,835.017 shares of Owens Corning common stock. The filing characterizes this as a non-derivative acquisition under transaction code "A," reflecting compensation-related share credits rather than an open-market trade.

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)
01/21/2026

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	01/21/2026		A		146.751(1)	A	$124.68	26,835.017	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. Accrual of dividend equivalents on deferred stock units.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	01/23/2026
	** 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.
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FAQ

What did Owens Corning (OC) director Maryann T. Mannen report in this Form 4?

Director Maryann T. Mannen reported acquiring 146.751 shares of Owens Corning $.01 par value common stock as a non-derivative transaction coded "A" on January 21, 2026.

How many Owens Corning shares did Maryann T. Mannen own after the reported transaction?

After the reported acquisition, Maryann T. Mannen beneficially owned 26,835.017 shares of Owens Corning common stock, held in direct ownership form.

What was the nature of the shares acquired by Maryann T. Mannen in this Owens Corning Form 4?

The footnote explains the transaction as an accrual of dividend equivalents on deferred stock units, meaning the additional shares were credited in connection with dividends on previously deferred stock units.

At what price were the Owens Corning shares recorded in Maryann T. Mannen’s Form 4 transaction?

The 146.751 shares were recorded at a price of $124.68 per share in the Form 4 filing.

Is Maryann T. Mannen an officer or a director of Owens Corning?

In this filing, Maryann T. Mannen is identified as a director of Owens Corning and is not listed as an officer or 10% owner.

Was the reported Owens Corning share transaction by Maryann T. Mannen direct or indirect ownership?

The Form 4 shows the ownership form as Direct (D), indicating the 26,835.017 shares following the transaction are directly beneficially owned by her.

When did the reported Owens Corning Form 4 transaction for Maryann T. Mannen occur?

The non-derivative acquisition of 146.751 shares took place on January 21, 2026, as disclosed in the Form 4.