# EDGAR Filing Document

**Accession Number:** 0002121708
**File Stem:** 0002134603-26-000001
**Filing Date:** 2026-5
**Character Count:** 7153
**Document Hash:** dff3ef48cc0c13dfa44a289548f6a5c9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002134603-26-000001.hdr.sgml**: 20260518

**ACCESSION NUMBER**: 0002134603-26-000001

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260518

**FILED AS OF DATE**: 20260518

**DATE AS OF CHANGE**: 20260518

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** McGregor Peter James
- **CENTRAL INDEX KEY:** 0002134603

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-56826
- **FILM NUMBER:** 26994756

**MAIL ADDRESS:**
- **STREET 1:** C/O IMRICOR MEDICAL SYSTEMS, INC.
- **STREET 2:** 400 GATEWAY BLVD
- **CITY:** BURNSVILLE
- **STATE:** MN
- **ZIP:** 55337-2559
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Imricor Medical Systems, Inc.
- **CENTRAL INDEX KEY:** 0002121708
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 204914480
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 400 GATEWAY BLVD.
- **CITY:** BURNSVILLE
- **STATE:** MN
- **ZIP:** 55337
- **BUSINESS PHONE:** (952) 818-8400

**MAIL ADDRESS:**
- **STREET 1:** 400 GATEWAY BLVD.
- **CITY:** BURNSVILLE
- **STATE:** MN
- **ZIP:** 55337

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>McGregor Peter James<br><sub>(Last) (First) (Middle)</sub><br>C/O IMRICOR MEDICAL SYSTEMS, INC.<br>400 GATEWAY BLVD<br><sub>(Street)</sub><br>BURNSVILLE, MN 55337-2559<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Imricor Medical Systems, Inc. [ IMR ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-05-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<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 Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 502452<sup>(1)(2)</sup> | D |  |
| Class A Common Stock | 380000<sup>(1)(3)</sup> | I | By family trust |
| Class A Common Stock | 60000<sup>(1)(4)</sup> | I | By estate trust |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Stock Option (right to buy) | <sup>(5)</sup> | 2029-08-30 | Class A Common Stock | 135000 | $0.98 | D |  |
| Stock Option (right to buy) | <sup>(6)</sup> | 2030-05-13 | Class A Common Stock | 71010 | $0.89 | D |  |
| Stock Option (right to buy) | <sup>(7)</sup> | 2031-05-07 | Class A Common Stock | 40896 | $1.57 | D |  |

---

### Footnotes:

(1) The amounts reported in column 2 include shares of the issuer's Class A Common Stock underlying the same number of CHESS Depositary Interests ("CDIs"). The CDIs are traded on the Australian Securities Exchange (the "ASX") and are held by CHESS Depositary Nominees Pty Limited, a subsidiary of ASX Limited, the company that operates the ASX.

(2) The amount of securities beneficially owned in column 2 includes 157,998 restricted stock awards ("RSAs") granted under the issuer's 2019 Equity Incentive Plan. Each RSA represents one CDI, which represents one share of the issuer's Class A Common Stock, subject to vesting conditions. The reporting person holds: (i) 44,943 RSAs remaining unvested from a May 12, 2023 grant, which RSAs will vest on May 12, 2027; (ii) 53,778 RSAs remaining unvested from a May 15, 2024 grant, which RSAs will vest 50% on each of May 15, 2027 and May 15, 2028; (iii) 30,960 RSAs remaining unvested from a May 14, 2025 grant, which RSAs will vest one-third on each of May 14, 2027, May 14, 2028, and May 14, 2029; and (iv) 28,317 RSAs granted on May 8, 2026, which RSAs will vest 25% on each of May 8, 2027, May 8, 2028, May 8, 2029, and May 8, 2030, subject in each case to the reporting person's continued service through each such vesting date.

(3) Represents shares held by the P & B McGregor family trust, for which Mrs. Bernadette Mary McGregor and the reporting person are account holders. The reporting person may be deemed to beneficially own the shares held by the trust. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

(4) Represents shares held in the account of Mrs. Eva Joy McGregor for the Estate of Graeme McGregor. The reporting person serves as trustee and makes all investment decisions for the trust. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

(5) This option was granted on August 30, 2019, and vested in multiple installments over approximately four years from the grant date. This option is 100% vested.

(6) This option was granted on May 13, 2020, and vested in multiple installments over approximately four years from the grant date. This option is 100% vested.

(7) This option was granted on May 7, 2021, and vested in multiple installments over approximately four years from the grant date. This option is 100% vested.

**Signature:** /s/ Peter James McGregor  
**Date:** 2026-05-18

### 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.**