Company: PFSA
Filing Date: 2025-08-22
Form Type: S-1/A
Source: 0001213900-25-079829
Chunk: 273

Company: Profusa, Inc.
Filing Date: 2025-08-22
Form: S-1/A
Chunk 273
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           | 1,998 |   |     | $      | 24,396 |   |
| Add: fair value remeasurement                   |     |             |      — |   |     |             |   333 |   |     |        |      — |   |
| Add (less): unamortized debt (premium) discount |     |             |     (2 | ) |     |             |     — |   |     |        |  2,055 |   |
| Less: interest                                  |     |             | (1,112 | ) |     |             |   (97 | ) |     |        | (1,183 | ) |
| Total convertible notes payable                 |     | $           | 18,419 |   |     | $           | 2,234 |   |     | $      | 25,268 |   |

F-20

PROFUSA, INC. AND SUBSIDIARY
NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS Note 5 — Debt (cont.)

Promissory Notes

In a series of transactions during 2010 and 2011 two of the Company’s founders provided $ million to the Company to fund general corporate purposes in exchange for promissory notes. The notes accrue interest annually at a simple interest rate of % with no set maturity date.

During the year ended December 31, 2022, the Company borrowed $ million from two of its founders at zero interest rate to finance its short-term operations, from which $ million was repaid in the same period.

During the year ended December 31, 2023, the Company borrowed short-term promissory notes of $ million from an existing investor and an additional $ million from an unrelated party repayable on demand at any time after December 31, 2024, with annual interest rate of %.

Interest expense on the promissory notes was less than $ million for each of the years ended December 31, 2024 and 2023. The carrying value of the promissory notes as of December 31, 2024 and 2023 was $ million and $ million, respectively. As of December 31, 2024 and 2023, outstanding balance of promissory notes includes all related party promissory notes of $ million and $ million, respectively. The Company recognized that the promissory notes from December31, 2023 are in default as of the date