Insider trading · Q3 2026 · CIK 1175151

Cytosorbents Corp (CTSO) insider trading.

Name: Cytosorbents Corp insider transactions, Q3 2026
Creator: U.S. Securities and Exchange Commission

In Q3 2026, insiders at Cytosorbents Corp reported 7 non-derivative transactions on 4 Forms 3, 4 and 5: 7 open-market purchases worth $120K and 0 sales.

Transactions: 7
Purchases (P): 7
Sales (S): 0
Net shares, P minus S: 208,347
Insiders: 3
Last filed: 2026-09-16

Insiders

Insider	Relationship	Transactions	Buys
Sobel Alan D.	Director	3	3
Chan Phillip P.	Director, Officer · Chief Executive Officer	2	2
Capponi Vincent	Officer · President and COO	2	2

Transactions

7 non-derivative rows, newest transaction first. Shares and prices as filed.
Date	Insider	Code	Shares	Price	Owned after	Filing
2026-09-15	Sobel Alan D.	P (A)	100	$6.01	9,887	Form 4
2026-09-15	Sobel Alan D.	P (A)	1,900	$6.12	9,287	Form 4
2026-09-15	Sobel Alan D.	P (A)	500	$6.05	9,787	Form 4
2026-09-15	Chan Phillip P.	P (A)	3,774	$6	100,996	Form 4
2026-09-14	Capponi Vincent	P (A)	273	$5.9	40,387	Form 4
2026-09-14	Capponi Vincent	P (A)	1,800	$6.07	40,114	Form 4
2026-09-04	Chan Phillip P.	P (A)	200,000	$0.35	1,944,432	Form 4

Transaction codes in this quarter

P: 7

Get CTSO insider transactions through the API

Request with your API key

curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1175151&limit=100" \
  -H "Authorization: Bearer $SEC_API_KEY"

Insider trading API guide · CTSO company page · Cytosorbents Corp on SEC.gov

Questions

Are insiders buying or selling Cytosorbents Corp (CTSO)?

In Q3 2026, insiders at Cytosorbents Corp reported 7 non-derivative transactions on 4 Forms 3, 4 and 5: 7 open-market purchases worth $120K and 0 sales. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.

Where do these Cytosorbents Corp insider trades come from?

From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.

Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.

Plain-text version for agents and LLMs: /insider-trading/ctso.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.