Filer Snapshot

Cytosorbents Corp

CIK 0001175151. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

957

Latest filing

15 Apr 2026

Industry

n/a

Filing-backed research brief

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Latest signal: SEC filing timeline only. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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Source: SEC filing 10-K/A

10-K/A filed on 15 Apr 2026 for CIK 0001175151.

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Listed symbols
CTSO on Nasdaq
At a glance Names, identifiers, and filing context for this profile. 1 identity field
Business address
305 College Road East, Princeton, NJ, 08540
EDGAR profile Static EDGAR fields kept behind disclosure so the main profile stays readable. 3 profile fields available
Incorporated in
DE
Fiscal year end
31 December
Former names on EDGAR
MedaSorb Technologies CORP (to 15 Apr 2010), GILDER ENTERPRISES INC (to 24 Jul 2006)

Filer intelligence

What SEC filings say about Cytosorbents Corp

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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SEC source mix

Counts show available parsed rows, not one combined ownership total.

No XML rows yet
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

No parsed ownership summary yet

We still show the SEC filing timeline below. The intelligence summary will populate when parsed 13F, 13D/G, or Forms 3/4/5 data exists for this CIK.

SEC filing record

CIK 0001175151 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
957
First seen
29 Mar 2004
Latest filing
15 Apr 2026
Entity
Company

Observed form types

10-K/A 8-K 10-K SCHEDULE 13G/A 4 10-Q 144 SCHEDULE 13G ARS DEFA14A +43 more

CIK-linked evidence first

Cytosorbents Corp SEC filings Open SEC filing index

Latest Filings

Showing the latest 12 of 815 SEC filings for Cytosorbents Corp.

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SCHEDULE 13G/A File 005-81910

SCHEDULE 13G/A filing

Filing date
13 Feb 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

OWNERSHIP DOCUMENT

Filing date
20 Nov 2025
Reporting date
18 Nov 2025
SEC evidence
Open document Open filing
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144 File 001-36792

144 filing

Filing date
19 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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