Company: OC
Filing Date: 2025-04-30
Form Type: 8-K/A
Source: 0001370946-25-000163
Chunk: 0

Company: Owens Corning
Filing Date: 2025-04-30
Form: 8-K/A
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549
#### ______________________________________

#### Form 8-K/A
<div align='center'>(Amendment No. 1)</div>

#### ______________________________________

### CURRENT REPORT

#### Pursuant to Section 13 or 15(d)

#### of the Securities Exchange Act of 1934
<div align='center'>Date of Report (Date of earliest event reported): February 13, 2025</div>

#### ______________________________________

#### Owens Corning
<div align='center'>(Exact name of registrant as specified in its charter)

______________________________________</div>

| DE                           |     | 1-33100     |     | 43-2109021         |
| (State or other jurisdiction 
 of incorporation)            |     | -Commission 
 File Number |     | -I.R.S. Employer   
 Identification No. |

| One Owens Corning Parkway                |     |         |     |      |     |           |
|                                          |     | Toledo, |     | Ohio |     |     43659 |
| (Address of principal executive offices) |     |         |     |      |     | -Zip Code |

#### 419- 248-8000
<div align='center'>(Registrant’s telephone number, including area code)</div>

#### Not Applicable
<div align='center'>(Former name or former address, if changed since last report)</div>

#### ______________________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| ☐ |     | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)                  |
| ☐ |     | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)                 |
| ☐ |     | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
| ☐ |     | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

| Securities registered pursuant to Section 12(b) of the Act: |     |                   |     |                                           |
| Title of each class                                         |