ZYNEX INC: auditor change — Zynex (ZYXI) replaces auditor Marcum with CBIZ; discloses material weaknesses in internal controls

ZYNEX INC

Marcum LLP resigned effective March 26, 2025; CBIZ CPAs P.C. engaged as new independent auditor for FY2025.
Marcum's reports on FY2023 and FY2024 were unqualified; no disagreements with management.
Two reportable events: material weaknesses in ITGCs (2023/2024) and accounts receivable valuation (2023; remediated in 2024).
Audit committee approved CBIZ engagement; no prior consultations with CBIZ on accounting matters.

item 4.01 item 9.01

Key facts

Extracted from this filing and checked against the source text.

Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.9

Marcum LLP resigned as auditor of ZYNEX INC.

Action: resignation
Auditor: Marcum LLP
Successor: CBIZ CPAs P.C.

Exact text from the filing

(the “Company”) was notified by Marcum LLP (“Marcum”) that Marcum resigned as the Company’s independent registered accounting firm. On November 1, 2024, CBIZ CPAs P.C. (“CBIZ”) acquired the attest business of Marcum. On March 26, 2025, following the approval of the Audit Committee of the Company’s Board of Directors, CBIZ was engaged, effective immediately, as the Company’s independent registered public accounting firm for the year ended December 31, 2025. The reports of Marcum regarding the Company’s financial statements for the years ended December 31, 2024 and December 31, 2023, did not contain any adverse opinion or disclaimer of opinion and were not qualified or modified as to uncertainty, audit scope, or accounting principles. During the years ended December 31, 2024 and December 31, 2023, and through March 26, 2025, the date of Marcum’s resignation, there were (a) no disagreements

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Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.9

ZYNEX INC engaged CBIZ CPAs P.C. as its auditor.

Action: engagement
Auditor: CBIZ CPAs P.C.

Exact text from the filing

following the approval of the Audit Committee of the Company’s Board of Directors, CBIZ was engaged, effective immediately, as the Company’s independent registered public accounting firm for the year ended December 31, 2025.

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Source: SEC EDGAR

accession 0001558370-25-003857

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