| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Canovas De La Nuez Jose Manuel | President, Insulation | ONE OWENS CORNING PARKWAY, TOLEDO | /s/ Katherine M. Serevitch, Attorney-in-Fact | 31 Jul 2025 | 0002079107 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OC | $.01 Par Value Common | Award | $499,946 | +3,627 | +41% | $137.84 | 12,376 | 21 Jul 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Restricted stock units granted under the Owens Corning 2023 Stock Plan. |