Form 8-K

8-K — Omega Flex, Inc.

Accession: 0001493152-26-028636

Filed: 2026-06-15

Period: 2026-06-10

CIK: 0001317945

SIC: 3430 (HEATING EQUIP, EXCEPT ELEC & WARM AIR & PLUMBING FIXTURES)

Item: Changes in Registrant's Certifying Accountant

Item: Financial Statements and Exhibits

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UNITED

STATES

SECURITIES

AND EXCHANGE COMMISSION

WASHINGTON,

DC 20549

FORM

8-K

CURRENT

REPORT

Pursuant

to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date

of Report (Date of earliest event reported): June 10, 2026

OMEGA

FLEX, INC.

(Exact

name of registrant as specified in charter)

Pennsylvania

000-51372

23-1948942

(State

or other jurisdiction

(Commission

(I.R.S.

Employer

of incorporation)

File

Number)

Identification

No.)

451

Creamery Way

Exton,

Pennsylvania 19341

(Address

of Principal Executive Offices)

Registrant’s

telephone number, including area code: 610-524-7272

Not

applicable

(Former

name or former address, if changed since last report.)

Check

the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under

any of the following provisions (see General Instruction A.2. below):

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17

CFR 240.14d-2(b))

☐

Pre-commencement

communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities

registered pursuant to Section 12(b) of the Act:

Title

of each class

Trading

Symbol(s)

Name

of each exchange on which registered

Common

Stock, par value $0.01 per share

OFLX

NASDAQ

Global Market

Indicate

by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405

of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging

growth company ☐

an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying

with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

ITEM

4.01. CHANGES IN REGISTRANT’S CERTIFYING ACCOUNTANT

The

Audit Committee of the Board of Directors of Omega Flex, Inc. (the “Company”) conducted a comprehensive process to determine

the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, and issued a Request

for Proposal (“RFP”) to several qualified accounting firms, including RSM US LLP (“RSM”), the Company’s

then current independent registered public accounting firm. As a result of this process, following the review and evaluation of proposals

from participating firms, on May 22, 2026, the Audit Committee approved the appointment of PKF O’Connor Davies LLP (“PKF”)

as the Company’s new independent registered public accounting firm for the fiscal year ending December 31, 2026, and the dismissal

of RSM, subject to the completion of certain procedures and the execution of an engagement letter with PKF.

June 10, 2026 (the “Effective Date”), following completion of such procedures, the Company executed an engagement letter

with PKF. Accordingly, PKF was appointed as the Company’s independent registered public accounting firm on the Effective Date.

PKF’s appointment will be for the Company’s fiscal year ending December 31, 2026, and related interim quarterly periods ending

June 30, 2026 and September 30, 2026. Also on June 11, 2026, the Company notified RSM that it was dismissed.

The

reports of RSM on the Company’s consolidated financial statements for the fiscal years ended December 31, 2025 and 2024, did not

contain an adverse opinion or disclaimer of opinion, nor were they qualified or modified as to uncertainty, audit scope, or accounting

principles. During the Company’s two most recent fiscal years ended December 31, 2025 and 2024, and the subsequent interim quarterly

period ending March 31, 2026 and through the Effective Date (i) there were no disagreements between the Company and RSM on any matter

of accounting principles or practices, financial statement disclosure, or auditing scope or procedures which, if not resolved to the

satisfaction of RSM, would have caused RSM to reference the subject matter in their audit report, and (ii) there were no reportable events

within the meaning of Item 304(a)(1)(v) of Regulation S-K.

The

Company has provided RSM with a copy of the disclosures contained in this Item 4.01 and has requested that RSM furnish a letter addressed

to the Securities and Exchange Commission stating whether it agrees with the statements made herein. A copy of RSM’s letter, dated

June 12, 2026, is filed as Exhibit 16.1 to this Current Report on Form 8-K.

During

the fiscal years ended December 31, 2025 and 2024, and in the subsequent interim quarterly periods ending March 31, 2026, neither the

Company nor anyone on its behalf consulted PKF on (i) the application of accounting principles to a specified transaction, either completed

or proposed, or on the type of audit opinion that might be rendered on the consolidated financial statements of the Company, and neither

a written report nor oral advice was provided to the Company that PKF concluded was an important factor considered by the Company in

reaching a decision as to the accounting, auditing, or financial reporting issue; or (ii) any matter that was either the subject of a

disagreement as defined in Item 304(a)(1)(iv) of Regulation S-K or a reportable event as described in Item 304(a)(1)(v) of Regulation

S-K.

ITEM

9.01. FINANCIAL STATEMENT AND EXHIBITS

(d)

Exhibits:

Exhibit

Number

Description

16.1 Copy of Letter dated June 12, 2026 from RSM US LLP to Securities and Exchange Commission

104 Cover

Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant

to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto

duly authorized.

OMEGA FLEX, INC.

Date:

June 15, 2026

By:

/s/ Matthew F. Unger

Matthew

F. Unger

Vice

President – Finance and Chief Financial Officer

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