---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-058561"
form_type: "8-K"
ticker: "CTSO"
cik: "0001175151"
company_name: "Cytosorbents Corp"
filed_at: "2025-06-11T23:59:59+00:00"
generated_at: "2026-05-19T12:38:46.383676+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# CytoSorbents Series B Right Warrants expire worthless; VWAP below $2.00 minimum

## Summary
- 5-day VWAP prior to June 10, 2025, was below the $2.00 minimum required price.
- Series B Right Warrants from the Rights Offering expired worthless per their terms.
- Any payments received for exercise of Series B warrants will be refunded without interest or penalty.
- Event triggers automatic termination of the warrant rights; stock closed below threshold.

## SEC filing metadata
- accession: 0001104659-25-058561
- form_type: 8-K
- ticker: CTSO
- cik: 0001175151
- company_name: Cytosorbents Corp
- filed_at: 2025-06-11T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1175151/000110465925058561/0001104659-25-058561-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1175151/000110465925058561/tm2517771d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-058561
- JSON: https://secwatch.observer/filing/0001104659-25-058561.json
- Plain text: https://secwatch.observer/filing/0001104659-25-058561.txt

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