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CIK 0001175151 · Non-accelerated filer<br>Smaller reporting company

Cytosorbents Corp

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Ticker
CTSO
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
980373793
Phone
973-329-8885
Business address
305 COLLEGE ROAD EAST, PRINCETON, NJ, 08540
Former names
MedaSorb Technologies CORP, GILDER ENTERPRISES INC
Open-market buys, last 90 days
$120,435
in 4 filings
Open-market sales, last 90 days
$0
in 0 filings

Net +$120,435. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 63 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-01-17 Capponi Vincent President and COO Other acquisition · Series B Right Warrants +31,760 31,760
2025-01-17 Deliargyris Efthymios Chief Medical Officer Option exercise +16,233 $1.00 $16K 403,025
2025-01-17 Deliargyris Efthymios Chief Medical Officer Option exercise · Subscription Rights (right to buy) −16,233 0
2025-01-17 Deliargyris Efthymios Chief Medical Officer Other acquisition · Series A Right Warrants +16,233 16,233
2025-01-17 Deliargyris Efthymios Chief Medical Officer Other acquisition · Series B Right Warrants +16,233 16,233
2025-01-17 Sobel Alan D. Director Option exercise +21,950 $1.00 $22K 123,807
2025-01-17 Sobel Alan D. Director Option exercise · Subscription Rights (right to buy) −21,950 0
2025-01-17 Sobel Alan D. Director Other acquisition · Series A Right Warrants +21,950 21,950
2025-01-17 Sobel Alan D. Director Other acquisition · Series B Right Warrants +21,950 21,950
2025-01-17 Chan Phillip P. Chief Executive Officer Option exercise +90,832 $1.00 $91K 1,243,195
2025-01-17 Chan Phillip P. Chief Executive Officer Option exercise · Subscription Rights (right to buy) −90,832 0
2025-01-17 Chan Phillip P. Chief Executive Officer Other acquisition · Series A Right Warrants +90,832 90,832
2025-01-17 Chan Phillip P. Chief Executive Officer Other acquisition · Series B Right Warrants +90,832 90,832
2025-01-17 MARIANI PETER J Chief Financial Officer Option exercise +32,625 $1.00 $33K 433,988
2025-01-17 MARIANI PETER J Chief Financial Officer Option exercise · Subscription Rights (right to buy) −32,625 0
2025-01-17 MARIANI PETER J Chief Financial Officer Other acquisition · Series A Right Warrants +32,625 32,625
2025-01-17 MARIANI PETER J Chief Financial Officer Other acquisition · Series B Right Warrants +32,625 32,625
2024-12-13 MARIANI PETER J Chief Financial Officer Purchase +20,000 $0.96 $19K 401,363
2024-12-12 MARIANI PETER J Chief Financial Officer Purchase +20,000 $0.89 $18K 381,363
2024-12-11 MARIANI PETER J Chief Financial Officer Purchase +11,363 $0.89 $10K 361,363

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