Company: HCWB
Filing Date: 2025-04-07
Form Type: S-1
Source: 0001193125-25-073723
Chunk: 120

Company: HCW Biologics Inc.
Filing Date: 2025-04-07
Form: S-1
Chunk 120
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|             |     |                                                                                                                          |     | Incorporated by reference |      |     |          |           |     |             |       |     |             |            |     | Filed or  
 furnished 
 herewith  |
| Exhibit No. |     | Exhibit title                                                                                                            |     | Form                      |      |     | File No. |           |     | Exhibit No. |       |     | Filing date |            |     |           |
| 10.19*†

#    |     | Form of Pledge Agreement, dated March 28, 2024, by and between the Company, Escrow Agent and Noteholder party thereto    |     |                           | 10-K |     |          | 011-40591 |     |             | 10.19 |     |             | 04/01/2024 |     |           |
| 10.20*†

#    |     | Form of Escrow Agreement, dated March 28, 2024, by and between the Company, Escrow Agent and Noteholder party thereto    |     |                           | 10-K |     |          | 011-40591 |     |             | 10.20 |     |             | 04/01/2024 |     |           |
| 10.21       |     | Senior Secured Note Purchase Agreement, dated March 28, 2024, by and between the Company and the Purchaser party thereto |     |                           | 10-Q |     |          | 011-40591 |     |             |  10.1 |     |             | 05/15/2024 |     |           |
| 10.22       |     | Form of Subscription Agreement, dated February 20, 2024, by and between the Company and the Subscribers party thereto    |     |                           | 10-Q |     |          | 011-40591 |     |             |  10.5 |     |             | 05/15/2024 |     |           |
| 10.23       |     | Form of Amended and Restated Senior Secured Note Purchase Agreement, dated July                                          
 2, 2024, by and between the Company and the Purchaser party thereto                                                      |     |                           | 10-Q |     |          | 011-40591 |     |             |  10.1 |     |