---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-026930"
form_type: "8-K"
ticker: "LGVN"
cik: "0001721484"
company_name: "Longeveron Inc."
filed_at: "2026-03-12T23:59:59+00:00"
generated_at: "2026-05-15T13:40:26.716456+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Longeveron raises ~$15.9M in private placement with potential additional $15M tied to HLHS milestone

## Summary
- Initial gross proceeds of ~$15.9M from sale of 6,013,384 common shares at $0.52 and 11,873 Series A Preferred shares convertible at $0.52.
- Second closing of ~$15M contingent on Phase 2b HLHS statistical significance and VWAP ≥ $1.85 on volume ≥25M shares.
- Series A Preferred Stock non-voting, convertible to common with 4.99% ownership limitation (holder can increase to 9.99%).
- Cash runway extended into Q4 2026, past anticipated Phase 2b ELPIS II topline data in Q3 2026.
- Placement agent warrants for 2,019,231 shares at $0.65 (125% of share price), exercisable for 5 years.

## SEC filing metadata
- accession: 0001213900-26-026930
- form_type: 8-K
- ticker: LGVN
- cik: 0001721484
- company_name: Longeveron Inc.
- filed_at: 2026-03-12T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 5.03, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1721484/000121390026026930/0001213900-26-026930-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1721484/000121390026026930/ea0281100-8k_longeveron.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-026930
- JSON: https://secwatch.observer/filing/0001213900-26-026930.json
- Plain text: https://secwatch.observer/filing/0001213900-26-026930.txt

## Key facts
- Governance Changes
  Longeveron Inc.: Filed Certificate of Designation for Series A Non-Voting Convertible Preferred Stock (effective 2026-03-10).
  - Change: charter amendment
  - Effective: 2026-03-10
  source text: On March 10, 2026, the Company filed a Certificate of Designation of Preferences, Rights and Limitations of the Series A Non-Voting Convertible Preferred Stock with the Secretary of State of the State of Delaware (the “Certificate of Designation”) in connection with the Private Placement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1721484/000121390026026930/0001213900-26-026930-index.htm
- Material Agreements
  Longeveron Inc. entered into Purchase Agreement with certain institutional and accredited investors (effective 2026-03-10).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: certain institutional and accredited investors
  - Effective: 2026-03-10
  source text: On March 10, 2026, Longeveron Inc., a Delaware corporation (the “Company”), entered into a Purchase Agreement (the “Purchase Agreement”) with certain institutional and accredited investors (each, an “Investor” and collectively, the “Investors”), pursuant to which the Company agreed to issue and sell shares of the Company’s Class A common stock, par value $0.001 per share (the “Common Stock”) and, shares of the Company’s Series A Non-Voting Convertible Preferred Stock, par value $0.001 per share, and stated value of $1,000 per share (the “Series A Preferred Stock,” and together with the Common Stock, the “Securities”) to the Investors in up to two closings in a private placement (the “Private Placement”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1721484/000121390026026930/0001213900-26-026930-index.htm

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