Company: PFSA
Filing Date: 2025-10-29
Form Type: 424B3
Source: 0001213900-25-103174
Chunk: 383

Company: Profusa, Inc.
Filing Date: 2025-10-29
Form: 424B3
Chunk 383
---
 At December 31, 2023, the Public Warrants was classified
as Level 1 due to the use of an observable market quote in an active market. As of December 31, 2024 and 2023, the aggregate value
of Public Warrants was $379,500 and $85,388, respectively.

The Company uses a Monte Carlo
simulation model to value the Private Placement Warrants and the Representative’s Warrants. The Private Placement Warrants and the
Representative’s Warrants were 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 life of the warrants.

<div align='center'>F-75

NORTHVIEW ACQUISITION CORPORATION
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS</div>

Note 8 — Fair Value Measurements
(cont.)

The risk-free interest rate
is based on the U.S. Treasury zero-coupon yield curve on the grant date for a maturity similar to the expected remaining life of
the warrants. The expected life of the warrants is assumed to be equivalent to their remaining contractual term.

The key inputs into the Monte
Carlo simulation model for the warrant liabilities were as follows at December 31, 2024 and 2023:

|                            |     |   | December 31, 
         2024 |   |     |   | December 31, 
         2023 |   |
|:---------------------------|:----|:--|-------------:|:--|:----|:--|-------------:|:--|
| Input                      |     |   |              |   |     |   |              |   |
| Risk-free interest rate    |     |   |         4.18 | % |     |   |         5.06 | % |
| Expected term (years)      |     |   |         0.89 |   |     |   |         0.71 |   |
| Expected volatility        |     |   |   De minimis | % |     |   |   De minimis | % |
| Exercise price             |     | $ |        11.50 |   |     | $ |        11.50 |   |
| Fair value of Common stock |     | $