Owens Corning director reports stock unit accrual

Owens Corning director John David Williams reported an automatic increase in his holdings through the accrual of dividend equivalents on deferred stock units on January 21, 2026.

Rhea-AI Filing Summary

Owens Corning director John David Williams reported an automatic increase in his holdings through the accrual of dividend equivalents on deferred stock units on January 21, 2026. The transaction was coded as an acquisition and involved 333.969 shares of $.01 par value common stock at a reference price of $124.68 per share.

After this accrual, Williams beneficially owned 53,041.427 shares of Owens Corning common stock in direct form. The footnote explains that the change reflects dividend equivalents credited on deferred stock units rather than an open-market purchase.

Insider Trade Summary

Grant/Award: 333.969 shares

Grant/Award 1 txn

Insider Williams John David

Role Director

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common	333.969	$124.68	$42K

Holdings After Transaction: $.01 Par Value Common — 53,041.427 shares (Direct)

Footnotes (1)

1. F1. Accrual of dividend equivalents on deferred stock units.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Owens Corning (OC) disclose about John David Williams’ holdings?

Owens Corning reported that director John David Williams acquired 333.969 shares of $.01 par value common stock through the accrual of dividend equivalents on deferred stock units on January 21, 2026.

How many Owens Corning (OC) shares does John David Williams own after this Form 4 transaction?

Following the reported transaction, John David Williams beneficially owned 53,041.427 shares of Owens Corning $.01 par value common stock, held in direct form.

Was the Owens Corning (OC) Form 4 transaction a purchase or a sale?

The Form 4 shows an acquisition (transaction code A) of 333.969 shares, tied to dividend equivalents on deferred stock units, rather than a sale of existing shares.

What price per share is reported in the Owens Corning (OC) Form 4 filing?

The transaction references a price of $124.68 per share for the 333.969 shares of $.01 par value common stock associated with the dividend-equivalent accrual.

Does the Owens Corning (OC) director hold these shares directly or indirectly?

The filing states that the 53,041.427 shares held after the transaction are owned on a direct basis, with no indirect ownership entity noted.

What does the footnote in the Owens Corning (OC) Form 4 explain?

The footnote clarifies that the reported 333.969-share increase results from the accrual of dividend equivalents on deferred stock units, not from open-market trading.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/23/2026 - 04:19 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^*

Williams John David

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/21/2026

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	01/21/2026		A		333.969(1)	A	$124.68	53,041.427	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. Accrual of dividend equivalents on deferred stock units.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	01/23/2026
	** 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.