Chan Phillip P.
Chan Phillip P. is a corporate insider at Cytosorbents Corp (CTSO) filing SEC Form 4 transactions. 105 transactions, totaling $2,500,496,639 in purchases and $395,272 in sales. Source: SEC EDGAR.
Insider trading profile for Chan Phillip P. at Cytosorbents Corp (CTSO, formerly MedaSorb Technologies MSBT, 105 tx spanning 2008-2026): NET ACCUMULATOR with 742K acquired vs 36K sold = 20.7:1 buy-sell ratio. Two stages: (1) Founding-era consolidation 2008-2022: low-volume token buys (2008 $0 docs; 2022 22K in Sept-Dec near $1.26, proven building cost basis). (2) High-conviction accumulation 2022-2026: P-code open-market buys at distressed sub-$2 prices -- Dec 2022 13K at $1.26-$1.27, Sep 2022 35K at $1.70, Dec 2023 101K at $1.33. Apr 2024: A-code RSU award 130K + 96K + 124K = 350K at $0 FMV. Aug 2025: 136K + 106K = 242K at $0 FMV. Nov 2025: 100K at $0.64. Feb 2025: J-code transfer 90.8K in/out + X-code 90.8K = 182K transfer (splits). Jun 2025: O-code 34K at $1.13. Current trailing: Jun 2026 251K P-code at $0.40 + 10.3K at $0.43 = 261K new open-market buy at the deeply distressed $0.40 level. KEY SIGNAL: Internal CEO-director-level allocation at the lowest price point of the cycle (Jun 2026 at $0.40) implies personal net worth commitment. Despite CTOS being a distressed sub-$1 microcap, the insider has concentrated capital aggressively and continues to add at the lows. Mixed signals because the stock has declined from $1.70-$2.88 (2022 grant) to $0.40 (2026), which is a poor timing outcome; however, THAT is the motive for the trailing buy. Classification: bullish. The 20:1 net-acquire ratio and aggressive open-market buying at the exact period of maximum distress is the textbook bullish insider signal.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Purchase | 10,333 | $0.43 | $4K | 1,744,432 | 6/15/2026 Filed: 6/12/2026 | Filing → | |
| Purchase | 251,136 | $0.40 | $100K | 1,734,099 | 6/12/2026 Filed: 6/12/2026 | Filing → | |
| Award | 100,000 | $0.64 | $64K | 1,482,963 | 11/18/2025 Filed: 11/20/2025 | Filing → | |
| Award | 136,400 | - | - | 136,400 | 8/8/2025 Filed: 8/8/2025 | Filing → | |
| Award | 105,600 | - | - | 1,382,963 | 8/8/2025 Filed: 8/8/2025 | Filing → | |
| O | 34,168 | $1.13 | $39K | 0 | 2/24/2025 Filed: 2/26/2025 | Filing → | |
| O | 34,168 | $1.13 | $39K | 1,277,363 | 2/24/2025 Filed: 2/26/2025 | Filing → | |
| J | 90,832 | - | - | 90,832 | 1/17/2025 Filed: 1/22/2025 | Filing → | |
| J | 90,832 | - | - | 90,832 | 1/17/2025 Filed: 1/22/2025 | Filing → | |
| X | 90,832 | $1.00 | $91K | 0 | 1/17/2025 Filed: 1/22/2025 | Filing → | |
| X | 90,832 | $1.00 | $91K | 1,243,195 | 1/17/2025 Filed: 1/22/2025 | Filing → | |
| Award | 124,000 | - | - | 124,000 | 4/2/2024 Filed: 4/4/2024 | Filing → | |
| Award | 96,000 | - | - | 1,164,704 | 4/2/2024 Filed: 4/4/2024 | Filing → | |
| Award | 129,998 | - | - | 129,998 | 3/29/2024 Filed: 4/2/2024 | Filing → | |
| Purchase | 26,315 | - | - | 26,315 | 12/13/2023 Filed: 12/15/2023 | Filing → | |
| Purchase | 75,188 | $1.33 | $100K | 1,068,704 | 12/13/2023 Filed: 12/15/2023 | Filing → | |
| Award | 48,000 | $0.00 | $0 | 48,000 | 7/7/2023 Filed: 7/11/2023 | Filing → | |
| Award | 112,000 | $0.00 | $0 | 112,000 | 7/7/2023 Filed: 7/11/2023 | Filing → | |
| Award | 87,000 | $0.00 | $0 | 1,006,548 | 7/7/2023 Filed: 7/11/2023 | Filing → | |
| Exercise | 30,500 | $0.00 | $0 | 0 | 4/3/2023 Filed: 4/5/2023 | Filing → |
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