# EDGAR Filing Document

**Accession Number:** 0001564260
**File Stem:** 0001213900-26-052488
**Filing Date:** 2026-5
**Character Count:** 6751
**Document Hash:** b7ec5a80b8130e267e9c8432e3f5a85e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-052488.hdr.sgml**: 20260505

**ACCESSION NUMBER**: 0001213900-26-052488

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260504

**FILED AS OF DATE**: 20260505

**DATE AS OF CHANGE**: 20260505

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Knechtel Fred S.
- **CENTRAL INDEX KEY:** 0001564260

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41177
- **FILM NUMBER:** 26945499

**MAIL ADDRESS:**
- **STREET 1:** REMY INTERNATIONAL, INC.
- **STREET 2:** 600 CORPORATION DR.
- **CITY:** PENDLETON
- **STATE:** IN
- **ZIP:** 46064
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Profusa, Inc.
- **CENTRAL INDEX KEY:** 0001859807
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 863437271
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 207 WEST 25TH ST, 9TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001
- **BUSINESS PHONE:** 212-494-9022

**MAIL ADDRESS:**
- **STREET 1:** 207 WEST 25TH ST, 9TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NorthView Acquisition Corp
- **DATE OF NAME CHANGE:** 20210429

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Knechtel Fred S.<br><sub>(Last) (First) (Middle)</sub><br>626 BANCROFT WAY, SUITE A<br><sub>(Street)</sub><br>BERKELEY, CA 94710<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-04 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Financial Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Profusa, Inc. [ PFSA ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Convertible Promissory Note | 0.35<sup>(1)</sup> | 2026-05-04 |  | P |  |  |  | 2026-05-04<sup>(2)</sup> | 2026-12-31 | Common Stock | 5342274<sup>(3)</sup> | $1869796 |  | I | By NorthView Sponsor I LLC<sup>(4)</sup> |

---

### Footnotes:

(1) The conversion price is equal to the greater of (i) 95% of the closing price of the Common Stock on the Conversion Date and (ii) $0.35 per share, pursuant to the Note Modification and Conversion Agreement dated April 24, 2026.

(2) The Note became exercisable (convertible) on the Registration Effective Date, pursuant to Section 2.1 of the Note Modification and Conversion Agreement dated April 24, 2026.

(3) Represents the conversion of the entire outstanding principal balance of the Second Amended and Restated Promissory Note, dated April 6, 2026, in the amount of $1,869,796 into 5,342,274 shares of Common Stock, reflecting conversion at the $0.35 per share floor price.

(4) Mr. Knechtel is the managing member of NorthView Sponsor I LLC and may be deemed to share beneficial ownership of the securities held by NorthView Sponsor I LLC. Mr. Knechtel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

**Signature:** /s/ Fred Knechtel  
**Date:** 2026-05-05

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**