Company: HCWB
Filing Date: 2025-04-28
Form Type: DRS
Source: 0000950123-25-003769
Chunk: 137

Company: HCW Biologics Inc.
Filing Date: 2025-04-28
Form: DRS
Chunk 137
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           |     |             |      |     |             |            |     |           |
| 97.1        |     | HCW Biologics Inc. Compensation Recovery Policy                                                                                                    |     |                           | 10-K |     |          | 001-40591 |     |             | 97.1 |     |             | 04/01/2024 |     |           |
| 97.2        |     | HCW Biologics Inc. Related Party Transaction Policy                                                                                                |     |                           |      |     |          |           |     |             |      |     |             |            |     |           |

II-10

Confidential Treatment Requested by HCW Biologics Inc. Pursuant to 17 C.F.R. Section 200.83

|             |     |                                                  |     | Incorporated by reference |     |          |     |             |     |             |     | Filed or  
 furnished 
 herewith  |
| Exhibit No. |     | Exhibit title                                    |     | Form                      |     | File No. |     | Exhibit No. |     | Filing date |     |           |
| 99.1        |     | Audit Committee Charter of the Registrant        |     |                           |     |          |     |             |     |             |     |           |
| 99.2        |     | Compensation Committee Charter of the Registrant |     |                           |     |          |     |             |     |             |     |           |
| 107         |     | Filing Fees                                      |     |                           |     |          |     |             |     |             |     |           |

| * | Opinion of Clark Hill PLC and Consents of Grant Thornton, LLP and Crowe, LLP to be filed by amendment |

II-11

Confidential Treatment Requested by HCW Biologics Inc. Pursuant to 17 C.F.R. Section 200.83 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement on Form S-1 to be signed on its behalf by the undersigned, in the city of Miramar, State of Florida, on April 25, 2025.

|        |     | HCW BIOLOGICS INC.                |
| By:    |     | /s/ Hing C. Wong                  |
| Name:  |     | Hing C. Wong                      |