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Sobel Alan D. profile photo

Alan D. Sobel

CIK: 0001639386

Transaction Breakdown

Open Market Buys (P)3 (37.5%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (12.5%)

Compensation grants

Other (G, F, J, C, D, …)4 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Cytosorbents Corp logo
CTSO

Cytosorbents Corp

Director

Discretionary Trading P&L

Holdings

Transaction History (8 total)

  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Sep 15, 2026
    Purchase(P)
    Direct
    1.9K shares at avg. $6.12$12K
  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Sep 15, 2026
    Purchase(P)
    Direct
    500 shares at avg. $6.05$3K
  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Sep 15, 2026
    Purchase(P)
    Direct
    100 shares at avg. $6.01$601
  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Aug 8, 2025
    Award(A)

    Stock Option (Right to Buy)

    Direct
    22K shares-
  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Feb 24, 2025
    Out-of-Term(O)
    Direct
    22K shares at avg. $1.13$25K
  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Jan 17, 2025
    Other(J)

    Series A Right Warrants

    Direct
    22K shares-
  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Jan 17, 2025
    Other(J)

    Series B Right Warrants

    Direct
    22K shares-
  • Cytosorbents Corp logo
    CTSO

    Cytosorbents Corp

    Jan 17, 2025
    In-the-Money(X)
    Direct
    22K shares at avg. $1.00$22K

1-8 of 8

About Sobel Alan D.

Sobel Alan D. (SEC CIK 0001639386) files insider reports with the SEC as Director of Cytosorbents Corp (CTSO).

Signal8 holds 4 ownership filings by Sobel Alan D., all Form 4s, filed between Jan 22, 2025 and Sep 16, 2026. Those filings report 8 transactions, from Jan 17, 2025 to Sep 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Sobel Alan D.'s filings is in PRINCETON, NJ.

Recent filings by Sobel Alan D.

  • Sep 15, 2026: Open-market purchases of CTSO shares (3 lines, Form 4, code P).
  • Aug 8, 2025: Grant or award of CTSO derivative securities (Form 4, code A).
  • Feb 24, 2025: Out-of-the-money exercise transaction of CTSO shares (Form 4, code O).
  • Jan 17, 2025: Other transactions of CTSO derivative securities (2 lines, Form 4, code J).
  • Jan 17, 2025: Option exercise of CTSO shares (Form 4, code X).

Other insiders filing for Cytosorbents Corp (CTSO)

How to read Form 4 transaction codes