Owens Corning (OC) director granted 406 deferred shares as board fees

Rhea-AI Filing Summary

CORDEIRO EDUARDO E reported acquisition or exercise transactions in this Form 4 filing.

Owens Corning director Eduardo E. Cordeiro received an equity award of 406 common shares as part of his quarterly board compensation. The shares, valued at $122.07 per share, are described as the deferred share portion of his quarterly director retainer and fees. Following this grant, Cordeiro directly holds a total of 15,433.002 Owens Corning common shares.

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^*

CORDEIRO EDUARDO 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	15,433.002	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).
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FAQ

What insider transaction did Owens Corning (OC) report for Eduardo Cordeiro?

Owens Corning reported that director Eduardo E. Cordeiro acquired 406 common shares through an equity award. This grant represents the deferred share portion of his quarterly director retainer and fees rather than an open-market stock purchase.

Was the Owens Corning (OC) Form 4 transaction a stock purchase or an award?

The Form 4 transaction for Owens Corning director Eduardo E. Cordeiro was an award, coded as a grant or other acquisition. It reflects deferred shares issued as part of his quarterly director retainer and fee compensation, not a market buy or sell.

How many Owens Corning (OC) shares does Eduardo Cordeiro hold after this Form 4?

After receiving the 406-share award, Eduardo E. Cordeiro directly holds 15,433.002 Owens Corning common shares. This total includes the newly granted deferred shares associated with his quarterly director retainer and fees as reported in the Form 4 filing.

What price per share is associated with Eduardo Cordeiro’s Owens Corning (OC) award?

The 406-share award to Eduardo E. Cordeiro is reported at a price of $122.07 per Owens Corning common share. This figure reflects the value used to record the deferred share portion of his quarterly director retainer and fee compensation.

Why did Owens Corning (OC) grant 406 deferred shares to Eduardo Cordeiro?

Owens Corning granted 406 deferred common shares to director Eduardo E. Cordeiro as the deferred share portion of his quarterly director retainer and fees. This structure compensates board service partly in equity rather than solely in cash payments.

Is the Owens Corning (OC) Form 4 transaction a buy or sell in the market?

The Form 4 transaction is not a market buy or sell. It is an acquisition coded as a grant or award, reflecting 406 deferred common shares issued to director Eduardo E. Cordeiro as part of his quarterly retainer and fee compensation package.