8-K filed May 6, 2026, 7:59 PM ET ticker MLSS CIK 0000855683

other material confidence high sentiment negative materiality 0.75

Milestone Scientific dismisses auditor CBIZ; engages Grassi & Co. effective May 15, 2026

MILESTONE SCIENTIFIC INC.

CBIZ CPAs' 2025 audit report included a going concern explanatory paragraph about substantial doubt.
No disagreements or reportable events during 2025 or interim period through April 30, 2026.
New auditor Grassi & Co. engaged for fiscal year ending Dec 31, 2026, approved by Audit Committee.
CBIZ had become auditor in April 2025 via acquisition of Marcum LLP's attest business.

item 4.01 item 9.01

Machine-readable event card

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accession: 0001493152-26-021512
form_type: 8-K
ticker: MLSS
cik: 0000855683
company_name: MILESTONE SCIENTIFIC INC.
filed_at: 2026-05-06T23:59:59+00:00
discovered_at: 2026-05-14T18:02:33.823650+00:00
generated_at: 2026-05-14T23:04:28.038465+00:00
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Source-grounded claims

5ccd0602827f189d1125c6faba2ddb251947c343

MILESTONE SCIENTIFIC INC. engaged Grassi & Co., CPAs, P.C. as its auditor.

The Company engaged Grassi & Co., CPAs, P.C. to be the independent registered public accounting firm to the Company for

SEC 8-K Item 4.01/4.02 confidence 0.98 SEC evidence

80c8774df82e02f74a8105fe9e7b326e5a19fdea

MILESTONE SCIENTIFIC INC. dismissed CBIZ CPAs P.C. as its auditor.

(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,

SEC 8-K Item 4.01/4.02 confidence 0.98 SEC evidence

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