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Fuchs Charles S. profile photo

Charles S. Fuchs

CIK: 0001719576

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (2)

Erasca, Inc. logo
ERAS

Erasca, Inc.

Officer
CytomX Therapeutics, Inc. logo
CTMX

CytomX Therapeutics, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (2 total)

  • Erasca, Inc. logo
    ERAS

    Erasca, Inc.

    Aug 10, 2026
    Award(A)

    Stock option (right to buy)

    Direct
    1.3M shares-
  • CytomX Therapeutics, Inc. logo
    CTMX

    CytomX Therapeutics, Inc.

    Jul 24, 2026
    Award(A)

    Stock Option (Right to Buy)

    Direct
    118K shares-

1-2 of 2

About Fuchs Charles S.

Fuchs Charles S. (SEC CIK 0001719576) files insider reports with the SEC as President, R&D of Erasca, Inc. (ERAS) and Director of CytomX Therapeutics, Inc. (CTMX).

Signal8 holds 4 ownership filings by Fuchs Charles S. (2 Form 3, 2 Form 4), filed between Jul 30, 2026 and Aug 12, 2026. Those filings report 2 transactions, from Jul 24, 2026 to Aug 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Fuchs Charles S.'s filings is in SAN DIEGO, CA.

Recent filings by Fuchs Charles S.

  • Aug 10, 2026: Grant or award of ERAS derivative securities (Form 4, code A).
  • Jul 24, 2026: Grant or award of CTMX derivative securities (Form 4, code A).

Other insiders filing for Erasca, Inc. (ERAS)

How to read Form 4 transaction codes