Chan Phillip P. — SEC Form 4 filings
SEC reporting owner CIK 1442786. 9 Form 4 filings on record with FilingPulse; latest filed 2026-09-16.
Transaction summary — filings shown
Covers all 9 filings on record, filed 2024-04-02 to 2026-09-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 4 legs across 3 filings — 465,243 shares, $197,542 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: purchase of 251,136 shares @ $0.40 ($100,454) in Cytosorbents Corp, filed 2026-06-15.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Cytosorbents Corp (CTSO) | Chief Executive Officer, Director | 9 | 4 legs · 465,243 sh · $197,542 | — | 12 |
Form 4 filings — Chan Phillip P.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Cytosorbents Corp (CTSO) | Purchase (P): 3,774 @ $6 | EDGAR |
| 2026-09-09 | 4 | Cytosorbents Corp (CTSO) | Purchase (P): 200,000 @ $0.35 | EDGAR |
| 2026-06-15 | 4 | Cytosorbents Corp (CTSO) | Purchase (P): 251,136 @ $0.40 · Purchase (P): 10,333 @ $0.43 | EDGAR |
| 2025-11-20 | 4 | Cytosorbents Corp (CTSO) | Grant/award (A): 100,000 @ $0.64 | EDGAR |
| 2025-08-08 | 4 | Cytosorbents Corp (CTSO) | Grant/award (A): 105,600 @ $0 · Grant/award (A): 136,400 (derivative) @ $0 | EDGAR |
| 2025-02-26 | 4 | Cytosorbents Corp (CTSO) | Code (O): 34,168 @ $1.13 · Code (O): 34,168 (derivative) @ $1.13 | EDGAR |
| 2025-01-22 | 4 | Cytosorbents Corp (CTSO) | Option exercise/expiry (X): 90,832 @ $1 · Option exercise/expiry (X): 90,832 (derivative) @ $0 · Other (J): 90,832 (derivative) · Other (J): 90,832 (derivative) | EDGAR |
| 2024-04-04 | 4 | Cytosorbents Corp (CTSO) | Grant/award (A): 96,000 @ $0 · Grant/award (A): 124,000 (derivative) | EDGAR |
| 2024-04-02 | 4 | Cytosorbents Corp (CTSO) | Grant/award (A): 129,998 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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