Owens Corning executive reports 191-share disposition at $115.01

Owens Corning reported an insider share transaction by its EVP, Chief R&D Officer.

Rhea-AI Filing Summary

Owens Corning reported an insider share transaction by its EVP, Chief R&D Officer. On 12/15/2025, the officer disposed of 191 shares of Owens Corning $.01 par value common stock at $115.01 per share, using transaction code “F”.

After this transaction, the officer directly beneficially owned 15,396.271 Owens Corning shares. The report indicates the filing was made by one reporting person.

Insider Trade Summary

Exercise Price or Tax Liability: 191 shares

Exercise Price or Tax Liability 1 txn

Insider Mendez-Andino Jose

Role EVP, Chief R&D Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	$.01 Par Value Common	191	$115.01	$22K

Holdings After Transaction: $.01 Par Value Common — 15,396.271 shares (Direct)

FAQ

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

What insider transaction did Owens Corning (OC) disclose in this filing?

The filing discloses that Owens Corning’s EVP, Chief R&D Officer, disposed of 191 shares of $.01 par value common stock in a reported transaction coded “F”.

When did the reported Owens Corning (OC) insider transaction occur?

The transaction took place on 12/15/2025, as shown in the non-derivative securities table.

How many Owens Corning (OC) shares were disposed of and at what price?

The reporting officer disposed of 191 Owens Corning common shares at a price of $115.01 per share.

How many Owens Corning (OC) shares does the officer own after the transaction?

Following the reported transaction, the officer directly beneficially owned 15,396.271 Owens Corning common shares.

What position does the reporting person hold at Owens Corning (OC)?

The reporting person is an officer of Owens Corning, serving as EVP, Chief R&D Officer.

Was this Owens Corning (OC) insider report filed by one or multiple persons?

The report indicates it is a Form filed by One Reporting Person, not a joint filing.

What type of security was involved in the Owens Corning (OC) insider transaction?

The transaction involved Owens Corning $.01 par value common stock, as listed in the non-derivative securities table.

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

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Accepted by SEC EDGAR 12/17/2025 - 04:07 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^*

Mendez-Andino Jose

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief R&D Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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	12/15/2025		F		191	D	$115.01	15,396.271	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:

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	12/17/2025
	** 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.