Company: WW
Filing Date: 2025-11-06
Form Type: S-8 POS
Source: 0001193125-25-269491
Chunk: 4

Company: WW INTERNATIONAL, INC.
Filing Date: 2025-11-06
Form: S-8 POS
Chunk 4
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 hereof.

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8and has duly caused this Post-Effective Amendment to the Registration Statements to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, and State of New York, on the 6th day of November, 2025.

| WW INTERNATIONAL, INC. |     |                                                      |
| (Registrant)           |     |                                                      |
| By:                    |     | /s/ Jacqueline Cooke                                 |
| Name:                  |     | Jacqueline Cooke                                     |
| Title:                 |     | Chief Legal and Administrative Officer and Secretary |

No other person is required to sign this Post-Effective Amendment to the Registration Statements on behalf of the Registrant in reliance upon Rule 478 under the Securities Act of 1933.