---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-028485"
form_type: "8-K"
ticker: "CLNN"
cik: "0001822791"
company_name: "Clene Inc."
filed_at: "2025-09-05T23:59:59+00:00"
generated_at: "2026-05-17T08:03:30.333470+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Clene files prospectus supplement for $6.28M at-the-market equity offering under existing $25M facility

## Summary
- On Sept 5, 2025, Clene filed a prospectus supplement to sell up to $6,280,000 of common stock via Canaccord Genuity as placement agent.
- Previous sales under the April 28, 2025 equity distribution agreement totaled $3,706,213.
- The ATM facility originally covered up to $25,000,000 in aggregate offering price.
- Legal opinion from Holland & Knight LLP on share validity was filed as Exhibit 5.1.

## SEC filing metadata
- accession: 0001437749-25-028485
- form_type: 8-K
- ticker: CLNN
- cik: 0001822791
- company_name: Clene Inc.
- filed_at: 2025-09-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822791/000143774925028485/0001437749-25-028485-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822791/000143774925028485/clnn20250904_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-028485
- JSON: https://secwatch.observer/filing/0001437749-25-028485.json
- Plain text: https://secwatch.observer/filing/0001437749-25-028485.txt

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