Company: PFSA
Filing Date: 2025-10-29
Form Type: 424B3
Source: 0001213900-25-103174
Chunk: 298

Company: Profusa, Inc.
Filing Date: 2025-10-29
Form: 424B3
Chunk 298
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----|:----|-------------:|:----|:----|-------------:|
| Conversion of Series A preferred stock     |     |     |    4,350,314 |     |     |    4,350,314 |
| Conversion of Series B preferred stock     |     |     |    5,293,175 |     |     |    5,293,175 |
| Conversion of Series C/C-1 preferred stock |     |     |    8,220,445 |     |     |    8,220,445 |
| Outstanding options under 2010 Plan        |     |     |    2,972,055 |     |     |    2,982,055 |
| Issuance of options under the 2010 Plan    |     |     |    1,560,091 |     |     |    1,550,091 |
|                                            |     |     |   22,396,080 |     |     |   22,396,080 |

Note 9 — Stock Option Plan

In 2010, the Company adopted
the 2010 Equity Incentive Plan (the “Plan”) under which 2,000,000 shares of the Company’s common stock have been initially
reserved for issuance to employees, directors and consultants. Options granted under the Plan may be either incentive stock options (“ISO”)
or nonqualified stock options (“NSO”). ISOs may be granted only to Company employees, including officers and directors who
are also employees. NSOs may be granted to Company employees, consultants and advisors.

<div align='center'>F-24

PROFUSA, INC. AND SUBSIDIARY
NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS</div>

Note 9 — Stock Option Plan
(cont.)

A person who owns (or is deemed
to own) stock possessing more than ten percent (10%) of the total combined voting power of all classes of stock of the Company will not
be granted an ISO unless the exercise price of such option is at least one hundred ten percent (110%) of the Fair Market Value on
the date of grant and the option is not exercisable after the expiration of five years from the date of grant. Options granted generally
vest over four years.

Activity under the Plan is
set forth below:

| Stock Option Activity                            |     | Options Outstanding 
 Shares              
 Available           
 for Grant           |           |     | Number