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):

~~April 25~~May 13, 2025

CVD EQUIPMENT CORPORATION

(Exact Name of Registrant as Specified in Its Charter)

New York

1-16525

11-2621692

(State or Other Jurisdiction of

Incorporation or Organization)

(Commission

File Number)

(IRS Employer

Identification No.)

355 South Technology Drive

Central Islip, New York

11722

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: (631) 981-7081

(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		CVV		NASDAQ Capital 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 ☐

If 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 2.0102. ~~Changes~~Results inof ~~Registrant’s~~Operations ~~Certifying~~and ~~Accountant~~Financial Condition

On May ~~November 1~~13, ~~2024~~2025, ~~CBIZ CPAs P.C. acquired~~ the ~~attest business of Marcum LLP (“Marcum”) which was engaged as the independent registered public accounting firm of CVD Equipment Corporation (the “~~Company~~”).~~ Asissued a ~~result~~press ofrelease ~~this~~announcing ~~transaction,~~its onresults ~~April 25, 2025, Marcum resigned as the independent registered public accounting firm~~ of ~~the~~operations ~~Company,~~for ~~and with~~ the ~~approval~~first ofquarter ~~the~~ended ~~Audit~~March ~~Committee of the Company’s Board of Directors~~31, ~~CBIZ CPAs P~~2025.~~C. was engaged as the Company’s new independent registered public accounting firm.~~

~~The~~A copy ~~reports~~ of ~~Marcum~~the ~~regarding~~press ~~the Company’s~~release ~~financial~~is ~~statements~~furnished ~~for~~as ~~the~~Exhibit ~~fiscal~~99.1 ~~years~~to ~~ended~~this ~~December~~Current ~~31,~~Report ~~2024~~on Form 8-K and ~~2023,~~is ~~did~~incorporated ~~not~~herein ~~contain~~by ~~any~~reference. ~~adverse~~The information ~~opinion~~in orthis ~~disclaimer of~~report ~~opinion~~(including Exhibit 99.1) is being furnished pursuant to Item 2.02 and ~~were~~shall not ~~qualified~~be ordeemed ~~modified~~to asbe to“filed” for ~~uncertainty~~the purposes of Section 18 of the Securities Exchange Act of 1934, ~~audit~~as ~~scope~~amended, or ~~accounting~~otherwise ~~principles~~subject to the liabilities of that section.

~~During the fiscal years ended December 31, 2024 and 2023, and through April 25, 2025, the date of Marcum’s resignation, there were (a) no disagreements (as defined in~~ Item ~~304(a)(1)(iv) of Regulation S-K and the related instructions) with Marcum on any matter of accounting principles or practices, financial~~ ~~statement~~9.01. ~~disclosure,~~Financial orStatements ~~auditing scope or procedures, which disagreements, if not resolved to the satisfaction of Marcum, would have caused Marcum to make reference to such disagreement in its report~~ and ~~(b) no “reportable events” (as defined in Item 304(a)(1)(v) of Regulation S-K and the related instructions).~~Exhibits

~~During the fiscal years ended December 31, 2024 and 2023, and through April 25, 2025, neither the Company nor anyone on the Company’s behalf consulted with CBIZ CPAs P.C. regarding~~ (id) ~~the application of accounting principles to a specific completed or contemplated transaction or regarding the type of audit~~ opinions that might be rendered by CBIZ CPAs P.C. on the Company’s financial statements, and CBIZ CPAs P.C. did not provide any written or oral advice that was an important factor considered by the Company in reaching a decision as to any such 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 and the related instructions), as that term is described in Item 304(a)(1)(iv) of Regulation S-K, or a reportable event, as that term is defined in Item 304(a)(1)(v) of Regulation S-K.Exhibits

The Company provided Marcum with a copy of this Current Report on Form 8-K prior to its filing with the U.S. Securities and Exchange Commission (the “SEC”) and requested that Marcum furnish the Company with a letter addressed to the SEC, pursuant to Item 304(a)(3) of Regulation S-K, stating whether it agrees with the above statements and, if it does not agree, the respects in which it does not agree. A copy of the letter, dated April 25, 2025, is filed as Exhibit 16.1 (which is incorporated by reference herein) to this Current Report on Form 8-K.

Exhibit No.		Description
99.1		Press release dated May 13, 2025

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

Exhibit No.		Description
16.1		Letter from Marcum dated April 25, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

~~SIGNATURES~~Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

~~Pursuant to the requirements of the Securities~~Date: ~~Exchange~~May ~~Act of 1934~~13, ~~the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.~~2025

~~Date~~CVD EQUIPMENT CORPORATION By: ~~April~~/s/ 25Richard Catalano Name: Richard Catalano Title: Executive Vice President, ~~2025~~Chief Financial Officer, Secretary and Treasurer

CVD EQUIPMENT CORPORATION By: /s/ Richard Catalano Name: Richard Catalano Title: Executive Vice President, Chief Financial Officer, Secretary and Treasurer

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