---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-311305"
form_type: "8-K"
ticker: "CLSDQ"
cik: "0001539029"
company_name: "Clearside Biomedical, Inc."
filed_at: "2025-12-08T23:59:59+00:00"
generated_at: "2026-05-16T13:57:47.567014+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Clearside Biomedical files Form 25 to complete Nasdaq delisting after Chapter 11 bankruptcy

## Summary
- Filed Form 25 on Dec 8, 2025 to delist from Nasdaq and deregister under Section 12(b); effective no earlier than Dec 18, 2025.
- Nasdaq delisting notice received Nov 24, 2025 after Chapter 11 filing (Case No. 25-12109); trading suspended Dec 1, 2025.
- Common stock trades on OTC Pink under symbol CLSDQ since Dec 1, 2025.
- Deregistration will reduce SEC reporting obligations 90 days after Form 25 effective date.

## SEC filing metadata
- accession: 0001193125-25-311305
- form_type: 8-K
- ticker: CLSDQ
- cik: 0001539029
- company_name: Clearside Biomedical, Inc.
- filed_at: 2025-12-08T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1539029/000119312525311305/0001193125-25-311305-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1539029/000119312525311305/d98628d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-311305
- JSON: https://secwatch.observer/filing/0001193125-25-311305.json
- Plain text: https://secwatch.observer/filing/0001193125-25-311305.txt

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