Owens Corning (OC) director receives 382-share deferred fee award

Rhea-AI Filing Summary

Owens Corning director Paul Edward Martin received a share-based fee award. He acquired 382 shares of $.01 par value common stock on a grant basis, valued at $121.67 per share, as the deferred share portion of his quarterly director retainer and fees.

After this compensation award, his directly held stake reported in the filing increased to about 8,000.461 shares. This was a routine, non‑market grant classified as a “grant, award, or other acquisition,” not an open‑market purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Martin Paul Edward

Role null

Type	Security	Shares	Price	Value
Grant/Award	$.01 Par Value Common	382	$121.67	$46K

Holdings After Transaction: $.01 Par Value Common — 8,000.461 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Share award size: 382 shares Grant valuation price: $121.67 per share Post-transaction holdings: 8,000.461 shares +1 more

4 metrics

Share award size 382 shares Grant, award, or other acquisition on 2026-05-08

Grant valuation price $121.67 per share Value used for director deferred share portion

Post-transaction holdings 8,000.461 shares Total direct common shares after award

Net buy/sell shares 0 shares transactionSummary netBuySellShares marked neutral

Key Terms

Grant, award, or other acquisition, Deferred share portion, quarterly Director retainer/fees

3 terms

Grant, award, or other acquisition financial

"classified as a “grant, award, or other acquisition”"

Deferred share portion financial

"Deferred share portion of quarterly Director retainer/fees."

quarterly Director retainer/fees financial

"Deferred share portion of quarterly Director retainer/fees."

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^*

Martin Paul Edward

(Last) (First) (Middle)

ONE OWENS CORNING PARKWAY

(Street)

TOLEDO OHIO 43659

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/08/2026		A		382(1)	A	$121.67	8,000.461	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. Deferred share portion of quarterly Director retainer/fees.

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	05/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Owens Corning (OC) disclose for Paul Edward Martin?

Owens Corning reported that director Paul Edward Martin received a grant of 382 common shares. The award represents the deferred share portion of his quarterly director retainer and fees, so it is compensation-related rather than an open-market stock purchase or sale.

How many Owens Corning (OC) shares did the director receive in this Form 4?

The Form 4 shows that the director received 382 shares of $.01 par value common stock. These shares were granted as part of his quarterly retainer and fee package, issued as deferred share compensation instead of cash payment for board service.

At what price were the Owens Corning (OC) shares valued in the director’s grant?

The 382 awarded shares were valued at $121.67 per share. This price reflects the value used for the director’s deferred share portion of quarterly retainer and fees, characterizing the transaction as a compensation grant rather than a market trade.

What are Paul Edward Martin’s Owens Corning (OC) holdings after this transaction?

Following the grant, the filing reports that Paul Edward Martin directly holds about 8,000.461 Owens Corning shares. This figure includes the newly awarded 382 deferred shares, indicating his total direct ownership position after the compensation transaction.

Is the Owens Corning (OC) director’s Form 4 transaction a market buy or a fee award?

The transaction is a fee-related award, not a market buy. The Form 4 identifies it as a grant or other acquisition, with footnotes explaining that it represents the deferred share portion of the quarterly director retainer and fees for board service.