Chan Phillip P.: insider buys
Every open-market stock purchase reported by Chan Phillip P. to the SEC on Form 4.
Total bought$197.54K
Purchases3
Companies1
Last purchase filedSep 16, 2026
Return on these buys-38%
Chan Phillip P. has made 3 open-market purchases worth $197.54K in 1 company since Jun 15, 2026, according to SEC Form 4 filings. The most recent was filed on Sep 16, 2026: 3,774 shares of CTSO at $6.00 (Chief Executive Officer, Director), worth $22.64K. The largest was $104.90K of CTSO on Jun 12, 2026. Taken together, these purchases are down 38% at the latest closing prices (split-adjusted, weighted by amount).
Companies Chan Phillip P. bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| CTSO | Cytosorbents Corp | Chief Executive Officer, Director | 3 | $197.54K | -38% | Sep 16 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Sep 16 | CTSOCytosorbents Corp | Chan Phillip P.Chief Executive Officer, Director | $22.64K | 3,774 | $6.00 | -24% | +4% | Sep 15 | SEC |
| Sep 9 | CTSOCytosorbents Corp | Chan Phillip P.Chief Executive Officer, Director | $70K | 200,000 | $0.35 | -35% | +12% | Sep 4 | SEC |
| Jun 15 | CTSOCytosorbents Corp | Chan Phillip P.Chief Executive Officer, Director | $104.90K | 261,469 | $0.40 | -43% | +18% | Jun 12 | SEC |