---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-105024"
form_type: "8-K"
ticker: "CTSO"
cik: "0001175151"
company_name: "Cytosorbents Corp"
filed_at: "2024-10-01T23:59:59+00:00"
generated_at: "2026-05-30T23:03:12.727180+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# CytoSorbents authorizes up to $20M ATM equity offering of common stock

## Summary
- Company authorized offer and sale of up to $20M common stock under Open Market Sale Agreement with Jefferies LLC.
- Registration statement on Form S-3 (No. 333-281062) declared effective by SEC on September 30, 2024.
- Legal opinion of Morgan Lewis & Bockius LLP on legality of issuance filed as Exhibit 5.1.

## SEC filing metadata
- accession: 0001104659-24-105024
- form_type: 8-K
- ticker: CTSO
- cik: 0001175151
- company_name: Cytosorbents Corp
- filed_at: 2024-10-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1175151/000110465924105024/0001104659-24-105024-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1175151/000110465924105024/tm2425360d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-105024
- JSON: https://secwatch.observer/filing/0001104659-24-105024.json
- Plain text: https://secwatch.observer/filing/0001104659-24-105024.txt

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