Owens Corning (NYSE: OC) CIO covers taxes with share withholding

Rhea-AI Filing Summary

Owens Corning Chief Information Officer Ann Lizabeth Baymiller reported an automatic share withholding tied to equity compensation. On 02/02/2026, 724 shares of $.01 par value common stock were withheld at $122.17 per share to cover taxes upon the vesting of restricted stock units. After this tax-related transaction, she beneficially owns 6,261 common shares, held directly.

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

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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^*

Baymiller Ann Lizabeth

(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)
	Chief Information Officer

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

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	02/02/2026		F		724(1)	D	$122.17	6,261	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. Shares withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	02/04/2026
	** 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).
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FAQ

What insider transaction did Owens Corning (OC) report for its CIO?

Owens Corning reported a tax-related share withholding for its CIO. On 02/02/2026, 724 shares of common stock were withheld to satisfy tax obligations arising from the vesting of restricted stock units, as disclosed in a Form 4 filing.

How many Owens Corning shares were withheld from the CIO for taxes?

A total of 724 Owens Corning common shares were withheld. These shares were automatically retained by the company upon vesting of restricted stock units to cover associated tax withholding obligations, rather than being sold on the open market.

At what price were the withheld Owens Corning shares valued?

The withheld shares were valued at $122.17 per share. This price was used in the Form 4 to record the 724-share withholding transaction related to the vesting of restricted stock units and corresponding tax obligations for the Chief Information Officer.

How many Owens Corning shares does the CIO own after the transaction?

After the transaction, the CIO beneficially owns 6,261 shares. These are shares of $.01 par value Owens Corning common stock held directly, as reported in the Form 4 following the 724-share tax withholding event.

Was the Owens Corning CIO’s Form 4 transaction an open-market sale?

No, the transaction was not an open-market sale. The Form 4 explains that shares were withheld upon vesting of restricted stock units solely to satisfy tax withholding obligations, rather than being voluntarily sold into the market.