Cytosorbents Corporation

Cytosorbents Corporation

CTSOยทNASDAQ

$0.80

+1.1%
HealthcareMedical - Devices

Cytosorbents Corporation engages in the research, development, and commercialization of medical devices with its blood purification technology platform incorporating a proprietary adsorbent and porous polymer technology. Its flagship product is CytoSorb, an extracorporeal cytokine filter for adjunctive therapy in the treatment of sepsis, adjunctive therapy in other critical care applications, prevention and treatment of perioperative complications of cardiopulmonary bypass surgery, and maintaining or enhancing the quality of solid organs harvested from donors for organ transplant. The company also develops VetResQ, a device for adjunctive therapy in the treatment of sepsis, pancreatitis, and other critical illnesses in animals; CytoSorb-XL, a device for adjunctive therapy in the treatment of sepsis and other critical illnesses; HemoDefend blood purification technology platform to reduce contaminants in the blood supply that can cause transfusion reactions or disease when administering blood and blood products to patients, as well as removal of anti-A and anti-B blood group antibodies from fresh whole blood and plasma; K+ontrol for treatment of severe hyperkalemia in patients with life-threatening conditions; and ContrastSorb for the removal of IV contrast in blood administered during CT imaging, an angiogram, or during a vascular interventional radiology procedure to reduce the risk of contrast-induced nephropathy. In addition, it is involved in the development of BetaSorb, a device for the prevention and treatment of health complications caused by the accumulation of metabolic toxins in patients with chronic renal failure; DrugSorb, a device to remove toxic chemicals from the blood; and DrugSorb-ATR, an antithrombotic removal system. The company was formerly known as MedaSorb Technologies Corporation and changed its name to Cytosorbents Corporation in May 2010. Cytosorbents Corporation was founded in 1997 and is headquartered in Princeton, New Jersey.

At a Glance

Live Snapshot
Market Cap$50.18M
EPS-0.3800
P/E Ratio-2.10
Earnings Date03/11/2026

SEC Filings

CTSO - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2025

N/A

November 13, 2025
November 13, 2025
2025
10-Q

10-Q 2025 Q3

Q3

November 13, 2025
September 30, 2025
2025
8-K

8-K 2025

N/A

October 03, 2025
October 02, 2025
2025
8-K

8-K 2025

N/A

September 16, 2025
September 16, 2025
2025
8-K

8-K 2025

N/A

August 20, 2025
August 14, 2025
2025
10-Q

10-Q 2025 Q2

Q2

August 07, 2025
June 30, 2025
2025
8-K

8-K 2025

N/A

August 07, 2025
August 07, 2025
2025
8-K

8-K 2025

N/A

August 01, 2025
July 31, 2025
2025
8-K

8-K 2025

N/A

July 02, 2025
July 02, 2025
2025
8-K

8-K 2025

N/A

June 24, 2025
June 24, 2025
2025
Showing 1 to 10 of 385 filings

Understanding SEC Filings

Essential regulatory documents for investors

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10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

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