---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-044238"
form_type: "8-K"
ticker: "HYPD"
cik: "0001682639"
company_name: "HYPERION DEFI, INC."
filed_at: "2025-05-02T23:59:59+00:00"
generated_at: "2026-05-22T22:52:57.553049+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Eyenovia appoints CBIZ CPAs as auditor after Marcum resignation; going concern flagged

## Summary
- Marcum LLP resigned as independent auditor; CBIZ CPAs P.C. engaged effective May 2, 2025.
- No adverse opinions or disagreements; audit reports for 2024 and 2023 included going concern emphasis.
- Company disclosed two material weaknesses as of Dec 31, 2024, currently being remediated.
- No prior consultations with CBIZ CPAs on accounting principles or audit opinions.

## SEC filing metadata
- accession: 0001104659-25-044238
- form_type: 8-K
- ticker: HYPD
- cik: 0001682639
- company_name: HYPERION DEFI, INC.
- filed_at: 2025-05-02T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1682639/000110465925044238/0001104659-25-044238-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1682639/000110465925044238/tm2513849d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-044238
- JSON: https://secwatch.observer/filing/0001104659-25-044238.json
- Plain text: https://secwatch.observer/filing/0001104659-25-044238.txt

## Key facts
- Auditor Changes
  Marcum LLP resigned as auditor of HYPERION DEFI, INC..
  - Action: resignation
  - Auditor: Marcum LLP
  - Successor: CBIZ CPAs P.C.
  source text: Marcum resigned as the independent registered public accounting firm of Eyenovia, Inc. (the “Company”) and, with the approval of the Audit Committee of the Company’s Board of Directors, CBIZ CPAs was engaged as the Company’s independent registered public accounting firm for the year ending December 31, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1682639/000110465925044238/0001104659-25-044238-index.htm
- Auditor Changes
  HYPERION DEFI, INC. engaged CBIZ CPAs P.C. as its auditor.
  - Action: engagement
  - Auditor: CBIZ CPAs P.C.
  source text: CBIZ CPAs was engaged as the Company’s independent registered public accounting firm for the year ending December 31, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1682639/000110465925044238/0001104659-25-044238-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.