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UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 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 30, 2026
Milestone
Scientific Inc.
(Exact
name of registrant as specified in its charter)
| Delaware |
|
001-14053 |
|
13-3545623 |
(State
or other jurisdiction
of
incorporation) |
|
(Commission
File
Number) |
|
(IRS
Employer
Identification
No.) |
425
Eagle Rock Avenue
Suite
403
Roseland,
New Jersey |
|
07068 |
| (Address
of principal executive offices) |
|
(Zip
Code) |
Registrant’s
telephone number, including area code (973) 535-2717
(Former
name or former address, if changed since last report.)
Securities
registered pursuant to Section 12(b) of the Act:
| Title
of each class |
|
Trading
Symbol(s) |
|
Name
on exchange on which registered |
| Common
Stock |
|
MLSS |
|
NYSE
American |
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 Instructions 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)) |
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
4.01 Changes in Registrant’s Certifying Accountant
On
April 30, 2026, the Board of Directors of Milestone Scientific Inc. (the “Company”) approved the dismissal of
CBIZ CPAs P.C. (“CBIZ CPAs”) as the independent registered public accounting firm to the Company effective as of May 15,
2026. The Company engaged Grassi & Co., CPAs, P.C. to be the independent registered public accounting firm to the Company for
the fiscal year ending December 31, 2026. The approval of the dismissal of CBIZ CPAs was approved by the Audit Committee of the
Company’s Board of Directors. CBIZ CPAs became the Company’s independent registered public accounting firm in April 2025
in connection with its acquisition of the attest business of Marcum LLP, the Company’s then independent registered public accounting
firm. CBIZ CPAs did not audit the Company’s financial statements for the year ended December 31, 2024.
Termination
of CBIZ CPAs
The
report of CBIZ CPAs on the Company’s consolidated balance sheet as of December 31, 2025 and the related consolidated statement
of operations, consolidated statement of changes in stockholders’ equity and consolidated statement of cash flows for the year
then ended, did not contain an adverse opinion or disclaimer of opinion and was not qualified or modified as to uncertainty, audit
scope or accounting principles, except that the report of the Company’s consolidated financial statements for the year ended
December 31, 2025 contained an explanatory paragraph which noted that there was substantial doubt about the Company’s ability to
continue as a going concern.
During
the Company’s most recent fiscal year ended December 31, 2025, and the subsequent interim period through April 30,
2026, there were no disagreements between the Company and CBIZ CPAs on any matter of accounting principles or practices, financial statement
disclosure, or auditing scope or procedure, which disagreements, if not resolved to the satisfaction of CBIZ CPAs, would have caused
it to make a reference to the subject matter of the disagreements in connection with its reports on the Company’s financial statements
for such periods. In addition, during the Company’s most recent fiscal year ended December 31, 2025, and the subsequent interim
period through April 30, 2026, there were no “reportable events,” as defined in Item 304(a)(1)(v) of Regulation S-K.
The
Company has provided CBIZ CPAs with a copy of this disclosure and requested that CBIZ CPAs furnish the Company with a letter addressed
to the Securities and Exchange Commission stating whether it agrees or disagrees with the statements by the Company in this Current Report
on Form 8-K.
A
copy of the letter from CBIZ CPAs is attached hereto as Exhibit 16.1
Engagement
of Grassi & Co., CPAs, P.C.
On
April 30, 2026, the Company entered into an engagement agreement with Grassi & Co. Certified Public Accountants, PC
(“Grassi”), as its new independent registered public accounting firm effective May 15, 2026. The engagement of Grassi
was approved by the Audit Committee of the Company’s Board of Directors.
During
the fiscal years ended December 31, 2025 and 2024 and through April 30, 2026, neither the Company nor anyone acting
on its behalf consulted with Grassi regarding either (i) the application of accounting principles to a specific transaction, either completed
or proposed; or the type of audit opinion that might be rendered on the Company’s financial statements, and no written report was
provided to the Company or oral advice was provided that Grassi 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 the subject of either 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 Statements and Exhibits
(d)
Exhibits. The exhibits listed in the following Exhibit Index are filed as part of this Current Report on Form 8-K.
| 16.1 |
Letter from CBIZ CPAs, dated May 6, 2026, addressed to the Securities and Exchange Commission. |
| |
|
| 104 |
Cover
Page Interactive Data file (embedded within the Inline XBRL document). |
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 hereunto duly authorized.
| |
Milestone
Scientific Inc. |
| |
|
| Dated:
May 6, 2026 |
By:
|
/s/
Eric Hines |
| |
|
Eric
Hines, |
| |
|
Chief
Executive Officer |
