Owens Corning (OC) officer logs 271-share tax withholding, keeps 11,818

Rhea-AI Filing Summary

Owens Corning executive reports routine share withholding for taxes. President, Doors, Rachel Barthelemy Marcon reported that on 02/02/2026, 271 shares of Owens Corning $.01 par value common stock were withheld at $122.17 per share to cover tax obligations linked to vesting restricted stock units. After this tax withholding, she beneficially owned 11,818 common shares, held directly.

Insider Trade Summary

Net Seller: 271 shares

Net Sell 1 txn

Insider Marcon Rachel Barthelemy

Role President, Doors

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	$.01 Par Value Common	271	$122.17	$33K

Holdings After Transaction: $.01 Par Value Common — 11,818 shares (Direct)

Footnotes (1)

1. F1. Shares withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

FAQ

What insider transaction did Owens Corning (OC) report on February 2, 2026?

Owens Corning reported that President, Doors, Rachel Barthelemy Marcon had 271 common shares withheld on February 2, 2026. The shares were retained by the company to satisfy tax withholding obligations on vesting restricted stock units, rather than an open‑market sale.

How many Owens Corning (OC) shares were withheld for taxes in this Form 4?

A total of 271 Owens Corning $.01 par value common shares were withheld. The withholding occurred in connection with the vesting of restricted stock units and was used specifically to cover required tax withholding obligations, as described in the footnote to the filing.

At what price were the Owens Corning (OC) shares withheld in the Form 4 filing?

The 271 withheld Owens Corning common shares were valued at $122.17 per share. This price is used in the Form 4 to report the value of shares retained by the company to meet the executive’s associated tax obligations on restricted stock unit vesting.

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

After the tax withholding event, President, Doors, Rachel Barthelemy Marcon beneficially owned 11,818 Owens Corning common shares. The Form 4 classifies this ownership as direct, reflecting her remaining stake following the 271-share withholding for tax purposes.

Who is the insider involved in this Owens Corning (OC) Form 4 transaction?

The insider is Rachel Barthelemy Marcon, who serves as Owens Corning’s President, Doors. She is reported as an officer but not a director or 10% owner, and the filing details her routine share withholding linked to restricted stock unit vesting and tax requirements.

Was the Owens Corning (OC) Form 4 transaction an open-market sale by the insider?

No, the transaction was not an open-market sale. The Form 4 footnote explains the 271 shares were withheld by Owens Corning upon vesting of restricted stock units solely to satisfy tax withholding obligations, rather than representing a discretionary sale by the officer.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/04/2026 - 04:20 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^*

Marcon Rachel Barthelemy

(Last) (First) (Middle)

ONE OWENS CORNING PARKWAY

(Street)

TOLEDO OH 43659-0001

(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, Doors

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		271(1)	D	$122.17	11,818	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.