CytoSorbents Corporation
Phillip P. Chan (Chief Executive Officer) buys CTSO shares
About this filing
CytoSorbents Corporation (CTSO) filed Form 4 (insider transaction) with the SEC on Sep 16, 2026. Form 4 reports a company insider’s trades in the company’s shares.
Key facts
- Insider
- Phillip P. Chan · Chief Executive Officer, Director
| Date | Transaction | Shares | Price | Value | Held after | Ownership |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | P · purchaseFootnotes F1, F2, F3, F4 | +3,774 | $6.00 | $22,644.00 | 100,996 | Direct |
Footnotes
- F1 This transaction reported on this Form 4 reflects an open market purchase made by the Reporting Person.
- F2 Includes: (i) the following restricted stock units ("RSUs") that will be settled into shares of Common Stock upon vesting upon a "Change In Control" of CytoSorbents Corporation (the "Issuer") as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the "Plan"): (a) 515 RSUs granted on March 15, 2018, (b) 935 RSUs granted on February 24, 2017, (c) 2,850 RSUs granted on June 7, 2016 and (d) 6,500 RSUs granted on April 8, 2015;
- F3 (continued from footnote 2) (ii) 2,640 RSUs of 5,280 granted on August 8, 2025, which vest in equal parts at the first and second year anniversaries of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and (iii) 83,782 shares of Common Stock owned by the Reporting Person.
- F4 Reflects the 1-for-20 reverse stock split effected by the Issuer on September 8, 2026.
More CTSO filings
- 8-K
Filed Nov 12, 2026
- 8-K
Filed Sep 23, 2026
- 4
Filed Sep 16, 2026
- 4
Filed Sep 16, 2026
- 4
Filed Sep 9, 2026
- 8-K
Filed Sep 8, 2026
Not investment advice. Summaries can contain errors; the SEC filing is the official record.