Owens Corning (NYSE: OC) CFO awarded shares and withholds stock for taxes

Rhea-AI Filing Summary

Owens Corning executive vice president and chief financial officer Todd W. Fister reported mixed equity transactions in company common stock. He acquired 10,309 shares at no cost as a grant connected to the settlement of performance share units for the performance cycle ended December 31, 2025. In a separate move the same day, 4,754 shares were disposed of to satisfy tax withholding obligations upon that settlement. After these transactions, he directly owns 44,951.812 Owens Corning common shares.

Insider Trade Summary

Net Buyer: 5,555 shares

Net Buy 2 txns

Insider Fister Todd W

Role EVP & Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common	10,309	$0.00	$0.00
Exercise Price or Tax Liability	$.01 Par Value Common	4,754	$123.48	$587K

Holdings After Transaction: $.01 Par Value Common — 44,951.812 shares (Direct)

Footnotes (2)

1. F1. Awarded in connection with the settlement of performance share units for the performance cycle ended December 31, 2025.
2. F2. Shares withheld upon the settlement of performance share units to satisfy tax withholding obligations.

FAQ

What did Owens Corning (OC) CFO Todd W. Fister report on this Form 4?

Todd W. Fister reported an equity grant and a related tax-withholding share disposition. He received 10,309 common shares from settling performance share units, while 4,754 shares were withheld to cover taxes, leaving him with 44,951.812 directly owned shares.

How many Owens Corning (OC) shares did the CFO acquire in the latest grant?

He acquired 10,309 Owens Corning common shares at no cost. The grant arose from the settlement of performance share units tied to a performance cycle ending December 31, 2025, increasing his direct ownership before tax withholding adjustments.

Why were some Owens Corning (OC) shares disposed of in this Form 4 filing?

The 4,754 shares were disposed of solely to satisfy tax withholding obligations. These shares were withheld upon settlement of performance share units, meaning they were not open-market sales but a tax-withholding disposition associated with the equity award.

What is Todd W. Fister’s total Owens Corning (OC) share ownership after these transactions?

Following the award and tax-withholding disposition, Todd W. Fister directly owns 44,951.812 Owens Corning common shares. This figure reflects his updated post-transaction holdings reported in the filing, consolidating both the grant and the withheld shares.

Was the Owens Corning (OC) CFO’s share transaction an open-market buy or sell?

No open-market buy or sell occurred. The Form 4 shows a grant of 10,309 shares from performance share unit settlement and a 4,754-share tax-withholding disposition, both classified as award-related transactions rather than discretionary market trades.

What do the performance share units mean in this Owens Corning (OC) Form 4?

The performance share units represent incentive awards tied to performance goals over a set period. When the cycle ended December 31, 2025, they settled into 10,309 common shares, triggering the reported grant and associated tax-withholding share disposition.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/27/2026 - 04:24 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
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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^*

Fister Todd W

(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)
	EVP & Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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	02/25/2026		A		10,309(1)	A	$0	49,705.812	D
$.01 Par Value Common	02/25/2026		F		4,754(2)	D	$123.48	44,951.812	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. Awarded in connection with the settlement of performance share units for the performance cycle ended December 31, 2025.

2. Shares withheld upon the settlement of performance share units to satisfy tax withholding obligations.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	02/27/2026
	** 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.