Company: PFSA
Filing Date: 2025-10-09
Form Type: S-1
Source: 0001213900-25-097860
Chunk: 402

Company: Profusa, Inc.
Filing Date: 2025-10-09
Form: S-1
Chunk 402
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:|
| Fair value at December 31, 2024                     |     | $              |  8,908,052 |
| Change in fair value of convertible promissory note |     |                |    225,330 |
| Fair value at March 31, 2025                        |     |                |  9,133,382 |
| Change in fair value of convertible promissory note |     |                |  1,154,729 |
| Fair value at June 30, 2025                         |     | $              | 10,288,111 |

|                                                       |     | Convertible 
 Promissory  
 Note        |           |   |
|:------------------------------------------------------|:----|:------------|----------:|:--|
| Fair value at December 31, 2023                       |     | $           |   944,118 |   |
| Principal proceeds                                    |     |             |   378,185 |   |
| Change in fair value of convertible promissory note   |     |             |   (60,077 | ) |
| Fair value at March 31, 2024                          |     |             | 1,262,226 |   |
| Proceeds received through convertible promissory note |     |             |   330,796 |   |
| Change in fair value of convertible promissory note   |     |             |   (66,021 | ) |
| Fair value at June 30, 2024                           |     | $           | 1,527,001 |   |

The fair value of the Company’s
convertible promissory note is valued using a compound option formula on the convertible feature and a present value of the host contract.
The valuation technique requires inputs that are both unobservable and significant to the overall fair value measurement. These inputs
reflect management’s own assumption about the assumptions a market participant would use in pricing the working capital loan.

F-106 NORTHVIEW ACQUISITION CORPORATION
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS Note 8 — Fair Value Measurements(cont.)

The convertible promissory
note was classified within Level 3 of the fair value hierarchy due to the use of unobservable inputs. Inherent in pricing models are assumptions
related to expected share-price volatility, expected life and risk-free interest rate. The Company estimates the volatility of its common
stock based on historical volatility that matches the expected remaining