---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-024114"
form_type: "8-K"
ticker: "LGVN"
cik: "0001721484"
company_name: "Longeveron Inc."
filed_at: "2025-03-14T23:59:59+00:00"
generated_at: "2026-05-24T18:40:48.804096+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Longeveron auditor changes: Marcum resigns, CBIZ engaged after acquisition

## Summary
- Marcum resigned as Longeveron's auditor on March 13, 2025; Audit Committee approved.
- CBIZ (acquired Marcum's attest practice) appointed as new independent auditor for FY2025.
- No disagreements or reportable events during FY2024, FY2023, and interim through March 13, 2025.
- Prior audit reports for FY2024 and FY2023 included going concern explanatory paragraph but were unqualified.

## SEC filing metadata
- accession: 0001213900-25-024114
- form_type: 8-K
- ticker: LGVN
- cik: 0001721484
- company_name: Longeveron Inc.
- filed_at: 2025-03-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1721484/000121390025024114/0001213900-25-024114-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1721484/000121390025024114/ea0234488-8k_longeveron.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-024114
- JSON: https://secwatch.observer/filing/0001213900-25-024114.json
- Plain text: https://secwatch.observer/filing/0001213900-25-024114.txt

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