CTSO insider buying
Every open-market purchase of Cytosorbents Corp (CTSO) stock by its officers, directors and major shareholders, from SEC Form 4 filings.
Bought, last 12 months$269.33K
Insiders buying (12m)4
Purchases on record6
Last purchase filedSep 16, 2026
In the last 12 months, 4 insiders of Cytosorbents Corp bought $269.33K of CTSO stock on the open market in 6 reported purchases. The most recent was filed on Sep 16, 2026: Chan Phillip P. (Chief Executive Officer, Director) bought 3,774 shares at $6.00, worth $22.64K. The largest purchase on record here is $104.90K by Chan Phillip P. on Jun 12, 2026.
Get the next CTSO insider buy on TelegramFree daily recap of the biggest insider purchases, straight from SEC filings. Real-time alerts for Premium members.
Join free on TelegramAll CTSO insider purchases
| Filed | Insider | Value | Shares | Price | Stake | Trade | |
|---|---|---|---|---|---|---|---|
| Sep 16 | Chan Phillip P.Chief Executive Officer, Director | $22.64K | 3,774 | $6.00 | +4% | Sep 15 | SEC |
| Sep 16 | Capponi VincentPresident and COO | $12.54K | 2,073 | $6.05 | +5% | Sep 14 | SEC |
| Sep 16 | Sobel Alan D.Director | $15.25K | 2,500 | $6.10 | +34% | Sep 15 | SEC |
| Sep 9 | Chan Phillip P.Chief Executive Officer, Director | $70K | 200,000 | $0.35 | +12% | Sep 4 | SEC |
| Jun 16 | Mariani Peter JChief Financial Officer | $44K | 100,000 | $0.44 | +19% | Jun 15 | SEC |
| Jun 15 | Chan Phillip P.Chief Executive Officer, Director | $104.90K | 261,469 | $0.40 | +18% | Jun 12 | SEC |