| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Beredo Gina A. | EVP, GC and Secretary | ONE OWENS CORNING PARKWAY, TOLEDO | /s/ Katherine M. Serevitch, Attorney-in-Fact | 06 Feb 2026 | 0001727029 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OC | $.01 Par Value Common | Award | $799,902 | +6,022 | +23% | $132.83 | 32,624 | 04 Feb 2026 | Direct | F1 |
| transaction | OC | $.01 Par Value Common | Tax liability | $87,801 | -664 | -2% | $132.23 | 31,960 | 05 Feb 2026 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Restricted stock units granted under the Owens Corning 2023 Stock Plan. |
| F2 | Shares withheld upon vesting of restricted stock units to satisfy tax withholding obligations. |