Does Rallies show Form 4 insider transactions for CTSO?

Yes. Rallies tracks CTSO insider trading and Form 4 activity, including executive purchases, executive sales, transaction dates, shares, and prices when available.

Is CTSO research on Rallies investment advice?

No. Rallies provides research, data, and educational context for CTSO. It does not provide personalized investment advice.

CTSO (Cytosorbents Corp.) Stock Analysis - Insider Trades

Cytosorbents Corp. (CTSO) is a publicly traded Healthcare sector company. As of May 21, 2026, CTSO trades at $0.46 with a market cap of $30.08M and a P/E ratio of -2.41. CTSO moved +0.00% today. Year to date, CTSO is -29.44%; over the trailing twelve months it is -44.08%. Its 52-week range spans $0.45 to $1.61. Analyst consensus is neutral with an average price target of $0.75. Rallies surfaces CTSO's financials, insider trades, hedge fund holdings, congressional trades, analyst ratings, and AI-generated research below.

Who is trading CTSO stock inside the company?

Recent CTSO insider activity includes MARIANI PETER J bought 20.00K, MARIANI PETER J bought 20.00K, MARIANI PETER J bought 11.36K, Sobel Alan D. bought 22.56K, and Deliargyris Efthymios bought 22.56K. Rallies tracks insider transaction dates, shares, prices, and estimated values.

CTSO Key Metrics

Key financial metrics for CTSO
Metric	Value
Price	$0.46
Market Cap	$30.08M
P/E Ratio	-2.41
EPS	$-0.19
Dividend Yield	0.00%
52-Week High	$1.61
52-Week Low	$0.45
Volume	1.59K
Avg Volume	0
Revenue (TTM)	$37.20M
Net Income	$-11.85M
Gross Margin	71.00%

Recent CTSO Insider Trades

MARIANI PETER J bought 20.00K (~$19.29K) on Dec 13, 2024.
MARIANI PETER J bought 20.00K (~$17.87K) on Dec 12, 2024.
MARIANI PETER J bought 11.36K (~$10.10K) on Dec 11, 2024.
Sobel Alan D. bought 22.56K (~$30.00K) on Dec 13, 2023.
Deliargyris Efthymios bought 22.56K (~$30.00K) on Dec 13, 2023.

Latest CTSO News

CytoSorbents Q1 Revenue Up 2% to $8.9M; Cash at $6.4M, FDA Filing Planned — May 13, 2026

CTSO Analyst Consensus

1 analysts cover CTSO: 0 strong buy, 0 buy, 1 hold, 0 sell, 0 strong sell. Consensus rating is neutral. Average price target: $0.75.

Common questions about CTSO

Who is trading CTSO stock inside the company?: Recent CTSO insider activity includes MARIANI PETER J bought 20.00K, MARIANI PETER J bought 20.00K, MARIANI PETER J bought 11.36K, Sobel Alan D. bought 22.56K, and Deliargyris Efthymios bought 22.56K. Rallies tracks insider transaction dates, shares, prices, and estimated values.
Does Rallies show Form 4 insider transactions for CTSO?: Yes. Rallies tracks CTSO insider trading and Form 4 activity, including executive purchases, executive sales, transaction dates, shares, and prices when available.
Is CTSO research on Rallies investment advice?: No. Rallies provides research, data, and educational context for CTSO. It does not provide personalized investment advice.