Phillip P. Chan
Known title: Chief Executive OfficerCIK: 0001442786
Phillip P. Chan's purchase track record
How the stock did after each of Phillip P. Chan's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
6
of 9 since December 10, 2021
Stock higher 6 months later
33%
3 months: 17%
Median 6-month return
-44.2%
3 months: -27.0%
Beat the S&P 500
33%
median -33.2% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 9/15/2026 | CTSO | $23K | pending | pending | — |
| 9/4/2026 | CTSO | $70K | pending | pending | — |
| 6/12/2026 | CTSO | $105K | pending | pending | — |
| 12/13/2023 | CTSO | $100K | -42.3% | -50.9% | +15.2% |
| 12/6/2022 | CTSO | $38K | +196.9% | +160.9% | +8.7% |
| 9/8/2022 | CTSO | $60K | -26.0% | +111.8% | -2.2% |
| 6/9/2022 | CTSO | $39K | -22.5% | -42.7% | -1.4% |
| 12/29/2021 | CTSO | $61K | -28.0% | -45.8% | -20.3% |
| 12/10/2021 | CTSO | $26K | -35.8% | -58.2% | -17.2% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| CTSO | ▲ Buy | Open Market | 3,774 | $23K | 9/15/2026 | View on chart |
| CTSO | ▲ Buy | Open Market | 200,000 | $70K | 9/4/2026 | View on chart |
| CTSO | ▲ Buy | Open Market | 10,333 | $4K | 6/15/2026 | View on chart |
| CTSO | ▲ Buy | Open Market | 251,136 | $100K | 6/12/2026 | View on chart |
| CTSO | ▲ Buy | Grant | 100,000 | $64K | 11/18/2025 | View on chart |
| CTSO | ▲ Buy | Grant | 105,600 | $0 | 8/8/2025 | View on chart |
| CTSO | ▼ Sell | Other | 34,168 | $39K | 2/24/2025 | View on chart |
| CTSO | ▼ Sell | Other | 90,832 | $91K | 1/17/2025 | View on chart |
| CTSO | ▲ Buy | Grant | 96,000 | $0 | 4/2/2024 | View on chart |
| CTSO | ▲ Buy | Open Market | 75,188 | $100K | 12/13/2023 | View on chart |
| CTSO | ▲ Buy | Grant | 87,000 | $0 | 7/7/2023 | View on chart |
| CTSO | ▲ Buy | Option Exercise | 30,500 | $88K | 4/3/2023 | View on chart |
| CTSO | ▲ Buy | Open Market | 5,859 | $7K | 12/8/2022 | View on chart |
| CTSO | ▲ Buy | Open Market | 9,850 | $12K | 12/7/2022 | View on chart |
| CTSO | ▲ Buy | Open Market | 14,291 | $18K | 12/6/2022 | View on chart |
| CTSO | ▲ Buy | Open Market | 35,000 | $60K | 9/8/2022 | View on chart |
| CTSO | ▲ Buy | Grant | 79,000 | $0 | 8/10/2022 | View on chart |
| CTSO | ▲ Buy | Open Market | 2,221 | $4K | 6/16/2022 | View on chart |
| CTSO | ▲ Buy | Open Market | 16,000 | $35K | 6/9/2022 | View on chart |
| CTSO | ▲ Buy | Open Market | 5,462 | $22K | 12/30/2021 | View on chart |
| CTSO | ▲ Buy | Open Market | 100 | $404 | 12/29/2021 | View on chart |
| CTSO | ▲ Buy | Open Market | 9,438 | $38K | 12/29/2021 | View on chart |
| CTSO | ▲ Buy | Open Market | 5,000 | $26K | 12/10/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 1, 2026
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Cytosorbents to Present New Data at Cardiac Surgery Conferences. Cytosorbents announced that it will present new data at upcoming international conferences focused on cardiac surgery and critical care. These presentations offer a platform to share recent findings with the medical community. For a company in the medical device sector, such events are key moments for communicating progress and engaging with specialists in the field.