Owens Corning (NYSE: OC) Doors President sells 700 shares in routine trade

Rhea-AI Filing Summary

Owens Corning President, Doors, Rachel Barthelemy Marcon reported an open-market sale of common stock. She sold 700 shares at a price of $120.71 per share, and held 15,848 shares of $.01 par value common stock directly after the transaction, indicating a relatively small, routine disposition of her stake.

Insights

Equity compensation and insider-transactions analyst

Small open-market sale appears routine relative to remaining holdings.

The filing shows a single open-market sale of 700 Owens Corning common shares at $120.71 by President, Doors, Rachel Barthelemy Marcon. Following the sale, she directly holds 15,848 shares, and there are no derivative positions reported.

This transaction looks modest in size compared with her disclosed holdings, suggesting routine portfolio or liquidity management. With no indication of options exercises, tax withholding, or restructuring activity, it reads as a straightforward sale with limited informational value for long-term fundamentals.

Insider Trade Summary 10b5-1

Net Seller: 700 shares ($84,497)

Net Sell 1 txn

Insider Marcon Rachel Barthelemy

Role President, Doors

Sold 700 shs ($84K)

Type	Security	Shares	Price	Value
Sale	$.01 Par Value Common	700	$120.71	$84K

Holdings After Transaction: $.01 Par Value Common — 15,848 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 700 shares Sale price: $120.71 per share Shares held after transaction: 15,848 shares +1 more

4 metrics

Shares sold 700 shares Open-market sale of common stock

Sale price $120.71 per share Price for the 700-share sale

Shares held after transaction 15,848 shares Direct holdings post-sale

Net buy/sell direction net-sell of 700 shares Form 4 transaction summary

Key Terms

open-market sale, non-derivative, par value, Form 4

4 terms

open-market sale financial

"transaction_action: "open-market sale" for 700 shares of common stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

non-derivative financial

"transaction_type: "non-derivative" indicating common stock, not options or warrants"

par value financial

"security_title: "$.01 Par Value Common" describing the common stock class"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

Form 4 regulatory

"INSIDER FILING DATA (Form 4) describing this insider transaction report"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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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).

X

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 OHIO 43659-0001

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, Doors

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

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	05/28/2026		S		700	D	$120.71	15,848	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:

Remarks:

	/s/ Katherine M. Serevitch, Attorney-in-Fact	05/29/2026
	** 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) report for Rachel Barthelemy Marcon?

Owens Corning reported that President, Doors, Rachel Barthelemy Marcon sold 700 shares of $.01 par value common stock. The transaction was an open-market sale at a disclosed price per share, and it reduced but did not eliminate her direct equity stake in the company.

At what price did the Owens Corning (OC) insider shares sell in this Form 4?

The reported Owens Corning insider transaction shows 700 common shares sold at $120.71 per share. This price reflects the execution level for that specific open-market sale and is the only transaction price disclosed in this particular Form 4 filing for the officer.

How many Owens Corning (OC) shares does Rachel Barthelemy Marcon hold after the sale?

After selling 700 shares, Rachel Barthelemy Marcon directly holds 15,848 shares of Owens Corning $.01 par value common stock. This post‑transaction balance, reported in the Form 4, indicates she retains a significant personal equity position despite the modest sale.

Was the Owens Corning (OC) insider transaction a buy or a sell?

The Form 4 for Owens Corning identifies the transaction as a sale. It is coded as an open-market sale of 700 non-derivative common shares, meaning the officer disposed of stock she already owned rather than acquiring new shares through options or other derivatives.

Does the Owens Corning (OC) Form 4 show any option exercises or derivative activity?

The Owens Corning Form 4 indicates no derivative transactions for this event. The transaction involves only non-derivative common stock, and the derivative summary section is empty, so there are no reported option exercises, conversions, or other derivative-related changes in this filing.