Owens Corning (NYSE: OC) president granted 3,914 RSUs, withholds shares

Rhea-AI Filing Summary

Owens Corning executive reports equity grant and tax withholding. Rachel Barthelemy Marcon, President, Doors, received 3,914 shares of $.01 par value common stock on February 4, 2026 as restricted stock units under the Owens Corning 2023 Stock Plan at $132.83 per share. On February 5, 2026, 113 shares were withheld at $132.23 per share to cover tax obligations upon vesting of restricted stock units. After these transactions, she directly holds 15,619 Owens Corning shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Marcon Rachel Barthelemy

Role President, Doors

Type	Security	Shares	Price	Value
Tax Withholding	$.01 Par Value Common	113	$132.23	$15K
Grant/Award	$.01 Par Value Common	3,914	$132.83	$520K

Holdings After Transaction: $.01 Par Value Common — 15,619 shares (Direct)

Footnotes (1)

1. Restricted stock units granted under the Owens Corning 2023 Stock Plan. Shares withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

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^*

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)
02/04/2026

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	02/04/2026		A		3,914(1)	A	$132.83	15,732	D
$.01 Par Value Common	02/05/2026		F		113(2)	D	$132.23	15,619	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. Restricted stock units granted under the Owens Corning 2023 Stock Plan.

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

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	02/06/2026
	** 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 Rachel Barthelemy Marcon?

Owens Corning reported that Rachel Barthelemy Marcon, President, Doors, received 3,914 restricted stock units of $.01 par value common stock on February 4, 2026. These units were granted under the Owens Corning 2023 Stock Plan at a reference price of $132.83 per share.

Why were 113 Owens Corning (OC) shares withheld in this Form 4 filing?

The Form 4 shows 113 shares withheld on February 5, 2026 at $132.23 per share. These shares were withheld upon vesting of restricted stock units specifically to satisfy tax withholding obligations, rather than representing an open‑market sale by the executive.

How many Owens Corning (OC) shares does Rachel Barthelemy Marcon own after these transactions?

Following the reported transactions, Rachel Barthelemy Marcon directly owns 15,619 shares of Owens Corning $.01 par value common stock. This figure reflects the February 4, 2026 restricted stock unit grant and the February 5, 2026 tax withholding share reduction reported in the Form 4.

What is the nature of the 3,914-share grant reported for Owens Corning (OC)?

The 3,914-share grant represents restricted stock units awarded under the Owens Corning 2023 Stock Plan. These equity awards are typically subject to vesting conditions over time, aligning the executive’s compensation with company performance and long‑term shareholder interests as disclosed in the filing.

What transaction codes appear in this Owens Corning (OC) Form 4 and what do they mean?

The filing uses code A for the February 4, 2026 acquisition of 3,914 restricted stock units and code F for the February 5, 2026 withholding of 113 shares. Code F indicates shares withheld to cover tax obligations tied to the vesting event.