MLSS announces immediate resignation of director Leonard A. Osser

Rhea-AI Filing Summary

Milestone Scientific Inc. (MLSS) announced a board change: on November 7, 2025, director Leonard A. Osser resigned from the Board, effective immediately. The company noted that Mr. Osser wrote it was an appropriate time to relinquish his director position.

Although leaving the Board, Mr. Osser will continue to be involved with the company through his employment agreement and through a consulting agreement between the company and U.S. Asian Consulting Group, LLC. This maintains his access and institutional knowledge while the Board adjusts to the transition.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Understanding 8-K Material Events →

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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): November 7, 2025

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
(Address of principal executive offices)     07068 (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 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On November 7, 2025, Mr. Leonard A. Osser, a director of Milestone Scientific Inc., resigned as a director of the company, effective immediately. Mr. Osser wrote that it was an appropriate time to relinquish his director position. Mr. Osser, however, will continue to be involved with the company through his employment agreement and through the consulting agreement between the company and U.S. Asian Consulting Group, LLC.

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: November 13, 2025	By:	/S/ Eric Hines
		Eric Hines
		Chief Executive Officer

FAQ

What did Milestone Scientific (MLSS) disclose in this 8-K?

The company reported that director Leonard A. Osser resigned from the Board effective immediately on November 7, 2025.

Who resigned from the Milestone Scientific Board?

Leonard A. Osser resigned as a director of Milestone Scientific Inc.

When did the resignation become effective for MLSS?

The resignation was effective immediately on November 7, 2025.

Will Leonard Osser remain involved with MLSS after resigning?

Yes. He will continue his involvement through his employment agreement and a consulting agreement with U.S. Asian Consulting Group, LLC.

What is MLSS’s stock listing and ticker?

Milestone Scientific’s common stock trades on the NYSE American under the ticker MLSS.

Did the filing mention reasons for the resignation?

It stated Mr. Osser wrote that it was an appropriate time to relinquish his director position.