Company: PFSA
Filing Date: 2025-05-13
Form Type: S-4/A
Source: 0001213900-25-042224
Chunk: 891

Company: Profusa, Inc.
Filing Date: 2025-05-13
Form: S-4/A
Chunk 891
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 hereby undertakes (i) to respond to requests for information that is incorporated by reference into the prospectus pursuant to Items4, 10(b),11, or 13 of this Form, within one business day of receipt of such request, and to send the incorporated documents by first class mail or other equally prompt means; and (ii) to arrange or provide for a facility in the U.S. for the purpose of responding to such requests. The undertaking in subparagraph (i) above includes information contained in documents filed subsequent to the effective date of the registration statement through the date of responding to the request. The undersigned registrant hereby undertakes to supply by means of a post -effectiveamendment all information concerning a transaction, and the company being acquired involved therein, that was not the subject of and included in the registration statement when it became effective. II-3

SIGNATURES Pursuant to the requirements of the Securities Act, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in New York, New York, on May12, 2025.

| NorthView Acquisition Corporation |     |                         |
| By:                               |     | /s/ Jack Stover         |
| Name:                             |     | Jack Stover             |
| Title:                            |     | Chief Executive Officer |

Pursuant to the requirements of the Securities Act, this registration statement has been signed by the following persons in the capacities and on the dates indicated:

| Name                
 /s/ Peter O’Rourke* |     | Position           
 Chairman, Director |     | Date         
 May 12, 2025 |
|:--------------------|:----|:-------------------|:----|:-------------|
| Peter O’Rourke      |     |                    |     |              |
| /s/ Jack Stover     |     | Director           |     | May 12, 2025 |
| Jack Stover         |     |                    |     |              |
| /s/ Fred Knechtel   |     | Director           |     | May 12, 2025 |
| Fred Knechtel       |     |                    |     |              |
| /s/ Ed Johnson*     |     | Director           |     | May 12, 2025 |
| Ed Johnson          |     |                    |     |              |
| /s/ Lauren Chung*   |     | Director           |     | May 12, 202