Edward F. Lonergan - 06 Aug 2026 Form 4 Insider Report for Owens Corning (OC)

Reporting relationship: Director
Issuer ticker: OC
Reported as of: 06 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Aug 2026, 16:32:13 UTC
Prior SEC filing: 12 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Katherine M. Serevitch, Attorney-in-Fact

Key filing fact

Edward F. Lonergan filed Form 4 for Owens Corning (OC) on 10 Aug 2026.

Key facts

This page summarizes Edward F. Lonergan's Form 4 filing for Owens Corning (OC).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 10 Aug 2026, 16:32.

Change

Previous filing in this sequence was filed on 12 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001559697 Primary reporting owner

Lonergan Edward F

Relationship: Director
Address: ONE OWENS CORNING PARKWAY, TOLEDO
Signature: /s/ Katherine M. Serevitch, Attorney-in-Fact
Signature date: 10 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OC transaction

$.01 Par Value Common

Award

Transaction value
Shares: +273
Change %: +0.51%
Price: $150.60^*
Shares after: 54,377
Date: 06 Aug 2026
Ownership: Direct
Footnotes: F1

OC transaction

$.01 Par Value Common

Award

Transaction value
Shares: +581
Change %: +1.1%
Price: $157.10^*
Shares after: 54,958
Date: 07 Aug 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Accrual of dividend equivalents on deferred stock units.

Footnote F2

Deferred share portion of quarterly Director retainer/fees.

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