Owens Corning (OC) director Eduardo Cordeiro reports stock awards and dividend equivalents

Rhea-AI Filing Summary

Owens Corning director Eduardo E. Cordeiro reported two acquisitions of $.01 par value common stock of Owens Corning. On 2026-08-06, he acquired 67.098 shares at $150.6000 per share, representing the accrual of dividend equivalents on deferred stock units. On 2026-08-07, he acquired 319 shares at $157.1000 per share as the deferred share portion of his quarterly director retainer/fees. Both positions are held directly.

Insider Trade Summary

Net Buyer: 386.098 shares

Net Buy 2 txns

Insider CORDEIRO EDUARDO E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common F2	319	$157.10	$50K
Grant/Award	$.01 Par Value Common F1	67.098	$150.60	$10K

Holdings After Transaction: $.01 Par Value Common — 16,310.63 shares (Direct)

Footnotes (2)

1. F1. Accrual of dividend equivalents on deferred stock units.
2. F2. Deferred share portion of quarterly Director retainer/fees.

Key Figures

Shares acquired (dividend equivalents): 67.098 shares Price per share (dividend equivalents): $150.6000 Shares acquired (director retainer): 319 shares +2 more

5 metrics

Shares acquired (dividend equivalents) 67.098 shares Accrual of dividend equivalents on deferred stock units on 2026-08-06 at $150.6000 per share

Price per share (dividend equivalents) $150.6000 Per-share value for 67.098 Owens Corning common shares on 2026-08-06

Shares acquired (director retainer) 319 shares Deferred share portion of quarterly director retainer/fees on 2026-08-07 at $157.1000 per share

Price per share (director retainer) $157.1000 Per-share value for 319 Owens Corning common shares on 2026-08-07

Number of acquisition transactions 2 Both transactions coded A as grant, award, or other acquisition of common stock

Key Terms

dividend equivalents, deferred stock units, Deferred share portion of quarterly Director retainer/fees, grant, award, or other acquisition

4 terms

dividend equivalents financial

"Accrual of dividend equivalents on deferred stock units."

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

deferred stock units financial

"Accrual of dividend equivalents on deferred stock units."

Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.

Deferred share portion of quarterly Director retainer/fees financial

"Deferred share portion of quarterly Director retainer/fees."

grant, award, or other acquisition financial

"transaction code A described as Grant, award, or other acquisition"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/10/2026 - 04:33 PM Accepted by SEC EDGAR 08/10/2026 - 04:32 PM Learn about SEC filing dates

FAQ

What insider transactions did Owens Corning (OC) director Eduardo Cordeiro report?

Eduardo E. Cordeiro reported two acquisitions of Owens Corning $.01 par value common stock on 2026-08-06 and 2026-08-07, both classified as grant, award, or other acquisition transactions held directly.

How many Owens Corning (OC) shares were tied to dividend equivalents for Eduardo Cordeiro?

On 2026-08-06, Eduardo E. Cordeiro acquired 67.098 shares of Owens Corning common stock at $150.6000 per share, described as an accrual of dividend equivalents on deferred stock units for his director compensation.

What portion of Eduardo Cordeiro’s Owens Corning (OC) director fees was paid in deferred shares?

On 2026-08-07, Eduardo E. Cordeiro acquired 319 shares of Owens Corning common stock at $157.1000 per share, identified as the deferred share portion of his quarterly director retainer/fees held directly.

Were Eduardo Cordeiro’s Owens Corning (OC) transactions open-market buys or awards?

Both reported transactions use code A, described as grant, award, or other acquisition. Footnotes state they relate to dividend equivalents on deferred stock units and deferred share director retainer/fees, not discretionary open‑market purchases.

Does the Owens Corning (OC) Form 4 show any insider sales by Eduardo Cordeiro?

No insider sales are reported. The Form 4 lists two acquisition transactions (transaction code A) for Owens Corning common stock, with no corresponding sales, gifts, or derivative exercises disclosed for this reporting period.

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^*

CORDEIRO EDUARDO E

(Last) (First) (Middle)

ONE OWENS CORNING PARKWAY

(Street)

TOLEDO OHIO 43659

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/06/2026

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

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

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

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	08/06/2026		A		67.098(1)	A	$150.6	15,991.63	D
$.01 Par Value Common	08/07/2026		A		319(2)	A	$157.1	16,310.63	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.

2. Deferred share portion of quarterly Director retainer/fees.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	08/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)