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CTSO insider trading

Cytosorbents Corp — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
4
Bought · 24 mo
$196k
Buys · last 90 days
2 · $149k
Most recent buy
2026-06-16

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-06-16MARIANI PETER J
Chief Financial Officer
Bought100,000$0.44$44k
2026-06-15Chan Phillip P.
Chief Executive Officer
Bought261,469$0.40$105k
2024-12-16MARIANI PETER J
Chief Financial Officer
Bought20,000$0.96$19k
2024-12-13MARIANI PETER J
Chief Financial Officer
Bought31,363$0.89$28k

Most active insider buyers

InsiderRoleBuysTotal bought
Chan Phillip P.Chief Executive Officer1$105k
MARIANI PETER JChief Financial Officer3$91k

See CTSO on the chart

Every insider buy and sell for CTSO plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.