Owens Corning (OC) director Alfred Festa reports new stock-based awards

Rhea-AI Filing Summary

Owens Corning director Alfred E. Festa reported two equity compensation-related acquisitions of common stock. On August 7, 2026, he received 315 shares of $.01 par value common stock at $157.10 per share, described as the deferred share portion of his quarterly director retainer and fees. On August 6, 2026, he accrued 67.74 shares at $150.60 per share as dividend equivalents on deferred stock units. Both positions are held directly, and the filing does not indicate they were made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Buyer: 382.74 shares

Net Buy 2 txns

Insider FESTA ALFRED E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common F2	315	$157.10	$49K
Grant/Award	$.01 Par Value Common F1	67.74	$150.60	$10K

Holdings After Transaction: $.01 Par Value Common — 13,295.935 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

Director retainer award shares: 315 shares Dividend equivalent shares: 67.74 shares Grant price (retainer shares): $157.10 per share +1 more

4 metrics

Director retainer award shares 315 shares Deferred share portion of quarterly director retainer/fees on August 7, 2026 at $157.10 per share

Dividend equivalent shares 67.74 shares Accrual of dividend equivalents on deferred stock units on August 6, 2026 at $150.60 per share

Grant price (retainer shares) $157.10 per share Price used for 315-share deferred retainer award on August 7, 2026

Grant price (dividend equivalents) $150.60 per share Price used for 67.74-share dividend equivalent accrual on August 6, 2026

Key Terms

deferred stock units, dividend equivalents, Director retainer

3 terms

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.

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.

Director retainer financial

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

FAQ

What insider transactions did Owens Corning (OC) report for Alfred E. Festa?

Alfred E. Festa reported two acquisitions of Owens Corning common stock, both classified as grants or awards tied to director compensation and dividend equivalents, rather than open-market purchases or sales.

How many Owens Corning (OC) shares did Alfred E. Festa acquire on August 7, 2026?

On August 7, 2026, Alfred E. Festa acquired 315 shares of Owens Corning $.01 par value common stock at $157.10 per share, representing the deferred share portion of his quarterly director retainer and fees.

What is the nature of the 67.74 Owens Corning (OC) shares reported by Festa on August 6, 2026?

The 67.74 shares reported on August 6, 2026 reflect an accrual of dividend equivalents on existing deferred stock units, effectively reinvesting dividends in additional deferred shares rather than a market transaction.

Were Alfred E. Festa’s Owens Corning (OC) transactions made under a Rule 10b5-1 plan?

The Form 4 indicates the Rule 10b5-1 checkbox is not checked, so these director compensation-related share grants and dividend equivalent accruals are not reported as made under a 10b5-1 trading plan.

Are Alfred E. Festa’s reported Owens Corning (OC) holdings direct or indirect?

Both reported positions are listed as directly held by Alfred E. Festa. The transactions involve common stock related to his director retainer and deferred stock units, with no intermediary entity indicated.

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Form 4 Insider Transactions: What Each Field Means →

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

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^*

FESTA ALFRED 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		67.74(1)	A	$150.6	12,980.935	D
$.01 Par Value Common	08/07/2026		A		315(2)	A	$157.1	13,295.935	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)