Owens Corning (NYSE: OC) CEO has 7,502 shares withheld for taxes

Rhea-AI Filing Summary

Owens Corning Chair, President and CEO Brian Chambers reported an automatic share withholding related to equity compensation. On 02/02/2026, 7,502 shares of $.01 par value common stock were withheld at $122.17 per share to satisfy tax withholding obligations upon vesting of restricted stock units, rather than sold in an open-market transaction. Following this withholding, Chambers directly beneficially owns 339,918 shares of Owens Corning common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Chambers Brian

Role Chair, President and CEO

Type	Security	Shares	Price	Value
Tax Withholding	$.01 Par Value Common	7,502	$122.17	$917K

Holdings After Transaction: $.01 Par Value Common — 339,918 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Chambers Brian

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chair, President and CEO

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		7,502(1)	D	$122.17	339,918	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).
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 transaction did Owens Corning (OC) report for Brian Chambers?

Owens Corning reported that CEO Brian Chambers had 7,502 common shares withheld on February 2, 2026. These shares were retained by the company to cover tax withholding owed when his restricted stock units vested.

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

No, the transaction was not an open-market sale. The 7,502 shares were withheld by Owens Corning to satisfy tax withholding obligations triggered by the vesting of restricted stock units awarded to Brian Chambers.

How many Owens Corning shares does Brian Chambers own after this Form 4?

After the reported withholding transaction, Brian Chambers directly beneficially owns 339,918 shares of Owens Corning common stock. This figure reflects his updated holdings after the 7,502-share tax withholding adjustment on February 2, 2026.

What price was used for the 7,502 Owens Corning shares withheld for taxes?

The 7,502 Owens Corning common shares were valued at $122.17 per share for the tax withholding. This price is used solely for reporting the value of the shares withheld to cover Chambers’ RSU-related tax obligations.

What does transaction code "F" mean in the Owens Corning Form 4?

Transaction code “F” indicates a tax-related transfer of shares to the issuer. In this case, Owens Corning withheld 7,502 shares from Brian Chambers upon RSU vesting to cover taxes, rather than him selling shares in the market.

What role does Brian Chambers hold at Owens Corning (OC)?

Brian Chambers serves as Chair, President and Chief Executive Officer of Owens Corning. The Form 4 filing reflects changes in his beneficial ownership resulting from equity compensation and related tax withholding by the company.