Owens Corning exec granted 2,643 OC shares

Owens Corning President, Roofing Nicolas Del Monaco reported equity compensation activity involving company common stock.

Rhea-AI Filing Summary

Owens Corning President, Roofing Nicolas Del Monaco reported equity compensation activity involving company common stock. He acquired 2,643 shares at $0.00 per share as a grant in connection with the settlement of performance share units for the performance cycle ended December 31, 2025.

To cover tax withholding obligations on this settlement, 1,118 shares were disposed of at $123.48 per share through a tax-withholding transaction, rather than an open-market sale. After these transactions, Del Monaco directly owned 20,520 Owens Corning shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Del Monaco Nicolas

Role President, Roofing

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common	2,643	$0.00	$0.00
Exercise Price or Tax Liability	$.01 Par Value Common	1,118	$123.48	$138K

Holdings After Transaction: $.01 Par Value Common — 20,520 shares (Direct)

Footnotes (2)

1. F1. Awarded in connection with the settlement of performance share units for the performance cycle ended December 31, 2025.
2. F2. Shares withheld upon the settlement of performance share units to satisfy tax withholding obligations.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Owens Corning (OC) report for Nicolas Del Monaco?

Owens Corning reported that Nicolas Del Monaco received a 2,643-share stock grant tied to performance share units and had 1,118 shares withheld to cover taxes. These non-market transactions reflect routine equity compensation and tax withholding activity.

Was the Owens Corning (OC) insider transaction an open-market stock sale?

No, the Form 4 shows a tax-withholding disposition of 1,118 shares at $123.48 per share. The shares were withheld to satisfy tax obligations related to settling performance share units, not sold through an open-market transaction.

How many Owens Corning (OC) shares does Nicolas Del Monaco own after this Form 4?

After the reported transactions, Nicolas Del Monaco directly owns 20,520 Owens Corning shares. This reflects a grant of 2,643 shares from performance share units and withholding of 1,118 shares to cover tax liabilities on the settlement.

What performance period was linked to the Owens Corning (OC) share award?

The 2,643-share award to Nicolas Del Monaco was granted in connection with the settlement of performance share units for the cycle ended December 31, 2025. This ties the equity grant directly to previously defined performance objectives over that period.

What do the transaction codes A and F mean in the Owens Corning (OC) Form 4?

Code A indicates an award or other acquisition of 2,643 shares as settlement of performance units. Code F reflects a tax-withholding disposition, where 1,118 shares were withheld at $123.48 per share to satisfy tax obligations.

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

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Accepted by SEC EDGAR 02/27/2026 - 04:24 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^*

Del Monaco Nicolas

(Last) (First) (Middle)

ONE OWENS CORNING PKWY

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, Roofing

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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	02/25/2026		A		2,643(1)	A	$0	21,638	D
$.01 Par Value Common	02/25/2026		F		1,118(2)	D	$123.48	20,520	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. Awarded in connection with the settlement of performance share units for the performance cycle ended December 31, 2025.

2. Shares withheld upon the settlement of performance share units to satisfy tax withholding obligations.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	02/27/2026
	** 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.