Peter Mariani Insider Trades & Stock Holdings

Chief Financial Officer · Cytosorbents Corporation · Latest filing Jun 15, 2026

Peter Mariani, Chief Financial Officer at Cytosorbents Corporation has 1 Form 4 trade on file since Jun 15, 2026. Open-market activity: 1 purchase ($44K) and 0 sales ($0), net +$44K. Latest filing: acquired 100K shares of $CTSO on Jun 15, 2026 at $0.44.

Trades on file

1

Open-market bought

$44K

Open-market sold

$0

Net open-market

+$44K

Latest filing

Jun 15, 2026

All insider trades by Peter Mariani

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 15, 2026	$CTSO	Buy (Open-market buy)	100K	$0.44	$44K			-4.4%	-10.0%		Chief Financial Officer		Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Peter Mariani traded

• $CTSO

Frequently asked questions

Has Peter Mariani been buying or selling stock?

Peter Mariani has 1 open-market purchase and 0 open-market sales on file, net +$44K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Peter Mariani's latest insider trade?

acquired 100K shares of $CTSO on Jun 15, 2026 at $0.44.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.