Cytosorbents Corp (CTSO) Corporate Subsidiaries
Cytosorbents Corp (CTSO) is a publicly traded company on the Nasdaq, categorized under SIC 3841 (Surgical & Medical Instruments & Apparatus). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: CTSO
CIK: 1175151
Exchange: Nasdaq
SIC 3841: Surgical & Medical Instruments & Apparatus
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
WithumSmith+Brown, PC
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerTaryn Bostjancic
Audit LocationEast Brunswick, New Jersey, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-09-23 | 2026-09-22 | FORM 8-K | 0001104659-26-109814 | View SEC Doc Filr Page |
| 4 | 2026-09-16 | 2026-09-15 | OWNERSHIP DOCUMENT | 0001104659-26-108326 | View SEC Doc Filr Page |
| 4 | 2026-09-16 | 2026-09-14 | OWNERSHIP DOCUMENT | 0001104659-26-108247 | View SEC Doc Filr Page |
| 4 | 2026-09-16 | 2026-09-15 | OWNERSHIP DOCUMENT | 0001104659-26-108246 | View SEC Doc Filr Page |
| 4 | 2026-09-09 | 2026-09-04 | OWNERSHIP DOCUMENT | 0001104659-26-106308 | View SEC Doc Filr Page |
| 8-K | 2026-09-08 | 2026-09-08 | FORM 8-K | 0001104659-26-105901 | View SEC Doc Filr Page |
| 8-K | 2026-08-14 | 2026-08-13 | FORM 8-K | 0001104659-26-097092 | View SEC Doc Filr Page |
| 8-K | 2026-08-07 | 2026-08-06 | FORM 8-K | 0001104659-26-092691 | View SEC Doc Filr Page |
| 8-K | 2026-08-06 | 2026-08-06 | FORM 8-K | 0001104659-26-092039 | View SEC Doc Filr Page |
| 10-Q | 2026-08-06 | 2026-06-30 | 10-Q | 0001104659-26-092006 | View SEC Doc Filr Page |
| 8-K | 2026-07-06 | 2026-06-29 | FORM 8-K | 0001104659-26-080741 | View SEC Doc Filr Page |
| ARS | 2026-06-25 | 2025-12-31 | ARS | 0001104659-26-077808 | View SEC Doc Filr Page |
| DEFA14A | 2026-06-25 | — | DEFA14A | 0001104659-26-077803 | View SEC Doc Filr Page |
| DEF 14A | 2026-06-25 | 2026-08-13 | FORM DEF 14A | 0001104659-26-077798 | View SEC Doc Filr Page |
| 8-K | 2026-06-25 | 2026-06-24 | FORM 8-K | 0001104659-26-077584 | View SEC Doc Filr Page |
| 4 | 2026-06-16 | 2026-06-15 | OWNERSHIP DOCUMENT | 0001104659-26-074291 | View SEC Doc Filr Page |
| 4 | 2026-06-15 | 2026-06-12 | OWNERSHIP DOCUMENT | 0001104659-26-074164 | View SEC Doc Filr Page |
| PRE 14A | 2026-06-11 | 2026-06-11 | PRE 14A | 0001104659-26-073005 | View SEC Doc Filr Page |
| 10-Q | 2026-05-13 | 2026-03-31 | 10-Q | 0001104659-26-060270 | View SEC Doc Filr Page |
| 8-K | 2026-05-13 | 2026-05-13 | 8-K Filing | 0000929638-26-001834 | View SEC Doc Filr Page |
| 10-K/A | 2026-04-15 | 2025-12-31 | 10-K/A | 0001104659-26-043852 | View SEC Doc Filr Page |
| 8-K | 2026-04-02 | 2026-04-01 | FORM 8-K | 0001104659-26-038859 | View SEC Doc Filr Page |
| 10-K | 2026-03-30 | 2025-12-31 | 10-K | 0001104659-26-036451 | View SEC Doc Filr Page |
| 8-K | 2026-03-25 | 2026-03-25 | 8-K Filing | 0000929638-26-001150 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-02-13 | — | SCHEDULE 13G/A Filing | 0001033475-26-000003 | View SEC Doc Filr Page |