# EDGAR Filing Document

**Accession Number:** 0001185232
**File Stem:** 0001185232-26-000002
**Filing Date:** 2026-4
**Character Count:** 10643
**Document Hash:** 461e63f7aa86d21f2cf0e953d5b7b30b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001185232-26-000002.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001185232-26-000002

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260424

**FILED AS OF DATE**: 20260428

**DATE AS OF CHANGE**: 20260428

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** BAY MOGENS C
- **CENTRAL INDEX KEY:** 0001185232

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-31429
- **FILM NUMBER:** 26908382

**MAIL ADDRESS:**
- **STREET 1:** 15000 VALMONT PLAZA
- **CITY:** OMAHA
- **STATE:** NE
- **ZIP:** 68154
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VALMONT INDUSTRIES INC
- **CENTRAL INDEX KEY:** 0000102729
- **STANDARD INDUSTRIAL CLASSIFICATION:** FABRICATED STRUCTURAL METAL PRODUCTS [3440]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 470351813
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1226

**BUSINESS ADDRESS:**
- **STREET 1:** 15000 VALMONT PLAZA
- **CITY:** OMAHA
- **STATE:** NE
- **ZIP:** 68154
- **BUSINESS PHONE:** 402-963-1000

**MAIL ADDRESS:**
- **STREET 1:** 15000 VALMONT PLAZA
- **CITY:** OMAHA
- **STATE:** NE
- **ZIP:** 68154

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VALLEY MANUFACTURING CO
- **DATE OF NAME CHANGE:** 19680822

## Ex-24

POWER OF ATTORNEY

The undersigned hereby makes, constitutes and appoints John Schwietz and William Eric Johnson, or either of them acting singly, and with full power of substitution, re-substitution and delegation, the undersigned's true and lawful attorney in fact (each of such persons and their substitutes and delegees being referred to herein as the "Attorney-in-Fact"), with full power to act for the undersigned and in the undersigned's name, place and stead, in the undersigned's capacity as an officer, director or stockholder of Valmont Industries, Inc. (the "Company"), to:

* prepare, execute in the undersigned's name and on the undersigned's behalf, and submit to the U.S. Securities and Exchange Commission (the "SEC") a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), Rule 144 under the Securities Act of 1933 ("Rule 144"), or any rule or regulation of the SEC; 

* execute for and on behalf of the undersigned, in the undersigned's capacity as an officer, director or stockholder of the Company, on Forms 3, 4 and 5, Schedule 13D and 13G, or Form 144;

* do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete the execution of any such forms and the timely filing of such forms with the SEC and any other authority; 

* serve on my behalf as my account administrator, user, or technical administrator, in each such capacity, with all authority permitted thereto under EDGAR Next with respect to my SEC filings (including Forms 3, 4, and 5, Schedule 13D and 13G, or Form 144); and 

* take any other action of any type whatsoever in connection with the foregoing that, in the opinion of such Attorney-in-Fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such Attorney-in-Fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such Attorney-in-Fact may approve in such Attorney-in-Fact's discretion.

The undersigned hereby grants to each such Attorney-in-Fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary and proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as such Attorney-in-Fact might or could do if personally present, with full power of substitution, re-substitution, delegation or revocation, hereby ratifying and confirming all that such Attorney-in-Fact, or such Attorney-in-Fact's substitute, re-substitute or delegate, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that each such Attorney-in-Fact, in serving in such capacity at the request of the undersigned, is not assuming any of the undersigned's responsibilities to comply with the Exchange Act or Rule 144.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5, Schedule 13D and 13G, or Form 144 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 27<sup>th</sup> day of April 2026.

Signed:

<u>/s/ Mogens C. Bay</u>_______

Mogens C. Bay

### 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>BAY MOGENS C<br><sub>(Last) (First) (Middle)</sub><br>15000 VALMONT PLAZA<br><sub>(Street)</sub><br>OMAHA, NE 68154<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-04-24 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>VALMONT INDUSTRIES INC [ VMI ] | **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 |
| Common Stock | 2026-04-24 |  | S |  | 5000 | D | 494.07<sup>(1)</sup> | 124809 | D |  |
| Common Stock | 2026-04-24 |  | S |  | 7550 | D | 491.48<sup>(2)</sup> | 117259 | D |  |
| Common Stock | 2026-04-24 |  | S |  | 2000 | D | $490.00 | 115259 | D |  |
| Common Stock | 2026-04-24 |  | S |  | 1500 | D | $492.45 | 113759 | D |  |
| Common Stock | 2026-04-24 |  | S |  | 1450 | D | $493.965 | 112309 | D |  |
| Common Stock | 2026-04-27 |  | A |  | 341 | A | 0<sup>(3)</sup> | 112650 | D |  |

---

## 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 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $494.00 to $494.24, inclusive. The reporting person undertakes to provide to Valmont Industries, Inc., any security holder of Valmont Industries, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.

(2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $491.01 to $491.685, inclusive.

(3) Restricted stock unit award which vests on the anniversary of the grant date, unless deferred by the reporting person, and on vesting settled in an equal number of shares of common stock.

**Remarks:**
POA attached.

**Signature:** /s/ William Eric Johnson for Mogens C. Bay  
**Date:** 2026-04-28

### 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.**