Owens Corning (NYSE: OC) CIO discloses 6,985 directly owned common shares

Rhea-AI Filing Summary

Owens Corning’s chief information officer has filed an insider ownership report covering their holdings in the company. As of the event date of December 3, 2025, the officer beneficially owned 6,985 shares of Owens Corning $.01 par value common stock, held in direct ownership form.

The filing reports no derivative securities, such as options or warrants, in the derivative securities table. It also notes that the report is filed by one reporting person and includes a Power of Attorney as an exhibit, authorizing an attorney-in-fact to sign on the reporting person’s behalf.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Baymiller Ann Lizabeth

(Last) (First) (Middle)

ONE OWENS CORNING PARKWAY

(Street)

TOLEDO OH 43659

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/03/2025

3. Issuer Name and Ticker or Trading Symbol
Owens Corning [ OC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Information Officer

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
$.01 Par Value Common	6,985	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ Katherine M. Serevitch, Attorney-in-Fact	12/16/2025
	** 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 5 (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.

FAQ

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

The filing shows that a chief information officer of Owens Corning beneficially owns 6,985 shares of $.01 par value common stock in direct form.

How many Owens Corning (OC) common shares does the reporting officer own?

The officer reports beneficial ownership of 6,985 shares of Owens Corning $.01 par value common stock, held directly.

Does the Owens Corning (OC) insider report include any derivative securities?

No. The derivative securities table lists no options, warrants, or other derivative securities beneficially owned by the reporting officer.

What is the relationship of the reporting person to Owens Corning (OC)?

The reporting person is identified as an officer of Owens Corning, serving as the company’s Chief Information Officer.

Was this Owens Corning (OC) insider ownership report filed by more than one person?

No. The filing indicates it is a Form filed by One Reporting Person, not a joint or group filing.

What is the event date associated with this Owens Corning (OC) insider filing?

The report is tied to a Date of Event Requiring Statement of December 3, 2025.

What exhibit accompanies this Owens Corning (OC) insider filing?

The filing includes an exhibit described as Exhibit 24 - Power of Attorney, allowing an attorney-in-fact to sign on the reporting person’s behalf.