---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-096675"
form_type: "8-K"
ticker: "CTSO"
cik: "0001175151"
company_name: "Cytosorbents Corp"
filed_at: "2025-10-03T23:59:59+00:00"
generated_at: "2026-05-17T04:42:06.421453+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CytoSorbents (CTSO) receives Nasdaq deficiency notice for bid price below $1.00

## Summary
- Received Nasdaq notice on Oct 2, 2025, for non-compliance with Minimum Bid Price Requirement.
- Stock traded below $1.00 per share for 30 consecutive business days prior to notice.
- Company has 180 calendar days, until March 31, 2026, to regain compliance.
- To cure, closing bid price must be at least $1.00 for 10 consecutive business days.
- If not cured by deadline, may qualify for another 180-day period with a compliance plan.

## SEC filing metadata
- accession: 0001104659-25-096675
- form_type: 8-K
- ticker: CTSO
- cik: 0001175151
- company_name: Cytosorbents Corp
- filed_at: 2025-10-03T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1175151/000110465925096675/0001104659-25-096675-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1175151/000110465925096675/tm2527881d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-096675
- JSON: https://secwatch.observer/filing/0001104659-25-096675.json
- Plain text: https://secwatch.observer/filing/0001104659-25-096675.txt

## Source-grounded claims
- claim_id: b2069e9c4056b2bcadade0a68fc4292388c7a405
  claim: Cytosorbents Corp received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2)).
  evidence_excerpt: October 2, 2025, CytoSorbents Corporation (the “Company”) received written notice from the Listing Qualifications Department of the Nasdaq Stock Market LLC (“Nasdaq”) that the Company was not in compliance with Nasdaq Listing Rule 5550(a)(2) because the Company’s common stock had fallen below $1.00 per share for 30 consecutive business days (the “Minimum Bid Price Requirement”). The written notification has no immediate effect on the listing or trading of the Company’s common stock. In accordance with applicable Nasdaq rules, the Company has 180 calendar days following the date of the written
  evidence_url: https://www.sec.gov/Archives/edgar/data/1175151/000110465925096675/0001104659-25-096675-index.htm

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