Company: PFSA
Filing Date: 2025-10-09
Form Type: S-1
Source: 0001213900-25-097860
Chunk: 315

Company: Profusa, Inc.
Filing Date: 2025-10-09
Form: S-1
Chunk 315
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 modifications
to the original stock options which were exercised by issuing a promissory note. Such modification did not result in additional stock-based
compensation expense. As of June 30, 2025 these options were fully vested.

Stock-Based Compensation Expense by Function

The following table is a summary
of stock compensation expense by function recognized for the three and six months ended June 30, 2025 and 2024 (in thousands):

|                          |     | Six months ended 
 June 30,         | 2025 |     |   | 2024 |
|:-------------------------|:----|:-----------------|-----:|:----|:--|-----:|
| General Administrative   |     | $                |   33 |     | $ |    4 |
| Research and development |     |                  |   54 |     |   |    7 |
|                          |     | $                |   87 |     | $ |   11 |

|                          |     | Three months ended 
 June 30,           | 2025 |     |   | 2024 |
|:-------------------------|:----|:-------------------|-----:|:----|:--|-----:|
| General Administrative   |     | $                  |   31 |     | $ |    2 |
| Research and development |     |                    |   51 |     |   |    4 |
|                          |     | $                  |   82 |     | $ |    6 |

Note 10 — Related Party Transactions The Company issued convertible notes (also referred to as junior notes), Tasly convertible debt and promissory notes to certain shareholders. Refer to Note 5 for detail.

Note 11 — Net Loss per Share Attributable to Common Stockholders

Net loss per common share is
calculated in accordance with ASC Topic 260, Earnings Per Share. Basic net loss per share is computed by dividing net loss by the
weighted-average number of shares of common stock outstanding during the period. The computation of diluted net loss per share does not
include dilutive common stock equivalents in the weighted-average shares outstanding, as the inclusion of common share equivalents would
be antidilutive. The common share equivalents consist of stock options, convertible notes, convertible preferred stock and common stock.

The following table sets forth
the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share