Company: HCWB
Filing Date: 2025-05-13
Form Type: S-1/A
Source: 0001193125-25-118837
Chunk: 2

Company: HCW Biologics Inc.
Filing Date: 2025-05-13
Form: S-1/A
Chunk 2
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 |     |                           | 10-Q |     |          | 001-40591  |     |             |  10.1 |     |             | 11/07/2022 |     |           |
| 10.15       |     | Mortgage and Security Agreement by and between HCW Biologics Inc. and Cogent Bank, dated August 15, 2022*                 |     |                           | 10-Q |     |          | 001-40591  |     |             |  10.2 |     |             | 11/07/2022 |     |           |
| 10.16       |     | Form of Subscription Agreement, dated February 20, 2024, by and between the Company and the Subscribers party thereto*    |     |                           | 8-K  |     |          | 001-40591  |     |             |  10.1 |     |             | 02/22/2024 |     |           |
| 10.17*†

#    |     | Form of Senior Secured Note Purchase Agreement, dated March 28, 2024, by and between the Company and the Purchaser party  
 thereto*                                                                                                                  |     |                           | 10-K |     |          | 001-40591  |     |             | 10.17 |     |             | 04/01/2024 |     |           |
| 10.18*†

#    |     | Form of Senior Secured Promissory Note, dated March 28, 2024, by and between the Company and the Holder party thereof*    |     |                           | 10-K |     |          | 001-40591  |     |             | 10.18 |     |             | 04/01/2024 |     |           |
| 10.19*†

#    |     | Form of Pledge Agreement, dated March 28, 2024, by and between the Company, Escrow Agent and Noteholder party thereto*    |     |                           | 10-K |     |          | 001-40591  |     |             | 10.19 |     |             | 04/01/2024 |     |           |
| 10.20*†

#    |     | Form of Escrow Agreement, dated March 28, 202