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Steven D. Nathan

CIK: 0002015114

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)3 (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 (1)

Gossamer Bio, Inc. logo
GOSS

Gossamer Bio, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

  • Gossamer Bio, Inc. logo
    GOSS

    Gossamer Bio, Inc.

    Sep 23, 2026
    Award(A)

    Stock Option (Right to Buy)

    Direct
    10K shares-
  • Gossamer Bio, Inc. logo
    GOSS

    Gossamer Bio, Inc.

    Jun 4, 2026
    Award(A)

    Stock Option (Right to Buy)

    Direct
    115K shares-
  • Gossamer Bio, Inc. logo
    GOSS

    Gossamer Bio, Inc.

    Jun 25, 2025
    Award(A)

    Stock Option (Right to Buy)

    Direct
    115K shares-

1-3 of 3

About Nathan Steven D

Nathan Steven D (SEC CIK 0002015114) files insider reports with the SEC as Director of Gossamer Bio, Inc. (GOSS).

Signal8 holds 3 ownership filings by Nathan Steven D, all Form 4s, filed between Jun 26, 2025 and Sep 25, 2026. Those filings report 3 transactions, from Jun 25, 2025 to Sep 23, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Nathan Steven D's filings is in SAN DIEGO, CA.

Recent filings by Nathan Steven D

  • Sep 23, 2026: Grant or award of GOSS derivative securities (Form 4, code A).
  • Jun 4, 2026: Grant or award of GOSS derivative securities (Form 4, code A).
  • Jun 25, 2025: Grant or award of GOSS derivative securities (Form 4, code A).

Other insiders filing for Gossamer Bio, Inc. (GOSS)

How to read Form 4 transaction codes