# EDGAR Filing Document

**Accession Number:** 0000915358
**File Stem:** 0001140361-25-027590
**Filing Date:** 2025-7
**Character Count:** 9119
**Document Hash:** f7ebaf032fac73d2270a233a4b9195e8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-027590.hdr.sgml**: 20250728

**ACCESSION NUMBER**: 0001140361-25-027590

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250725

**FILED AS OF DATE**: 20250728

**DATE AS OF CHANGE**: 20250728

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SHEEHAN JOHN P
- **CENTRAL INDEX KEY:** 0001192495

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-23248
- **FILM NUMBER:** 251155889
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SIGMATRON INTERNATIONAL INC
- **CENTRAL INDEX KEY:** 0000915358
- **STANDARD INDUSTRIAL CLASSIFICATION:** PRINTED CIRCUIT BOARDS [3672]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 363918470
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0430

**BUSINESS ADDRESS:**
- **STREET 1:** 2201 LANDMEIER RD
- **CITY:** ELK GROVE VILLAGE
- **STATE:** IL
- **ZIP:** 60007
- **BUSINESS PHONE:** 847-956-8000

**MAIL ADDRESS:**
- **STREET 1:** 2201 LANDMEIER ROAD
- **CITY:** ELK GROVE VILLAGE
- **STATE:** IL
- **ZIP:** 60007

## Exhibit 24.1

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#### Exhibit 24.1

#### Power of Attorney

Know all by these presents, that the undersigned (the "Reporting Person") hereby constitutes and appoints Gary R. Fairhead as the Reporting Person's true and lawful Attorney-in-Fact to:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or director of SigmaTron International, Inc. (the "Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules thereunder;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) do and perform and all acts for and on behalf of the Reporting Person which may be necessary or desirable to complete and execute any such Form 3, 4 or 5 and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such Attorney-in-Fact, may be of benefit to, and in the best interest of, or legally required by, the Reporting Person.

The Reporting Person hereby grants to such Attorney-in-Fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the Reporting Person might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such Attorney-in-Fact, or such Attorney-in-Fact's substitute or substitutes, shall lawfully do or cause to be done by the virtue of this Power of Attorney and the rights and powers herein granted. The Reporting Person acknowledges that the foregoing Attorney-in-Fact, in serving in such capacity at the request of the Reporting Person, are not assuming, nor is the Company assuming, any of the Reporting Person's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934, as amended.

This Power of Attorney shall remain in full force and effect until the Reporting Person is no longer required to file Forms 3, 4 and 5 with respect to the Reporting Person's holdings of and transactions in securities issued by the Company, unless earlier revoked by the Reporting Person in a signed writing delivered to the foregoing Attorney-in-Fact.

IN WITNESS WHEREOF, the Reporting Person has caused this Power of Attorney to be executed as of July 25, 2025.

---

| |
|:---|
| /s/ John P. Sheehan |
| Name: John P. Sheehan |

---

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] 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>SHEEHAN JOHN P<br><sub>(Last) (First) (Middle)</sub><br>C/O SIGMATRON INTERNATIONAL INC.<br>2201 LANDMEIER RD<br><sub>(Street)</sub><br>ELK GROVE VILLAGE, IL 60007<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-25 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SIGMATRON INTERNATIONAL INC [ SGMA ] | **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 |

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## Table I - Non-Derivative Securities

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|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 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 |
| Common Stock | 2025-07-25 |  | U |  | 36566<sup>(1)</sup> | D | $3.02 | 0 | D |  |

---

## Table II - Derivative Securities

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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 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 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Disposed of pursuant to an Agreement and Plan of Merger (the "Merger Agreement"), dated as of May 20, 2025, by and among SigmaTron International, Inc. (the "Company"), Transom Axis AcquireCo, LLC ("Parent") and Transom Axis MergerSub, Inc. ("Merger Sub"). Pursuant to the Merger Agreement, Parent and MergerSub launched a tender offer (the "Offer") for all outstanding shares of common stock of the Company (the "Shares") for an offer price of $3.02 per share in cash, without interest and less any required tax withholding (the "Offer Consideration"). On July 25, 2025 (the "Acceptance Time"), Merger Sub accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time, including the Shares tendered by the reporting person, in exchange for the Offer Consideration.

**Remarks:**
Exhibit 24.1 - Power of Attorney

**Signature:** /s/ Gary R. Fairhead, as Attorney-in-Fact for John Sheehan  
**Date:** 2025-07-28

### 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.**