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Ciongoli Gregory Austin

SEC insider (Form 3/4/5 filer). CIK 0002023732. Director at Gossamer Bio, Inc. (GOSS) and 3 other issuers. 9 reported Form 4/5 transactions since Sep 2024; latest on Sep 23, 2026. Located in SAN DIEGO, CA.

Companies Ciongoli Gregory Austin has filed insider reports for

  • Gossamer Bio, Inc. (GOSS): Director
  • REGENXBIO Inc. (RGNX): Director
  • Atara Biotherapeutics, Inc. (ATRA): Director, 10% Owner
  • Zymeworks Inc. (ZYME): Director
Ciongoli Gregory Austin profile photo

Ciongoli Gregory Austin

CIK: 0002023732

Transaction Breakdown

Open Market Buys (P)2 (22.2%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)7 (77.8%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (4)

Gossamer Bio, Inc. logo
GOSS

Gossamer Bio, Inc.

Director
REGENXBIO Inc. logo
RGNX

REGENXBIO Inc.

Director
Atara Biotherapeutics, Inc. logo
ATRA

Atara Biotherapeutics, Inc.

Director10% Owner
Zymeworks Inc. logo
ZYME

Zymeworks Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (9 total)

  • Gossamer Bio, Inc. logo
    GOSS

    Gossamer Bio, Inc.

    Sep 23, 2026
    Award

    Stock Option (Right to Buy)

    Direct
    30K shares-
  • REGENXBIO Inc. logo
    RGNX

    REGENXBIO Inc.

    Aug 27, 2026
    Purchase
    Direct
    53.4K shares at avg. $9.36$500K
  • REGENXBIO Inc. logo
    RGNX

    REGENXBIO Inc.

    Aug 26, 2026
    Purchase
    Direct
    49.2K shares at avg. $9.14$450K
  • REGENXBIO Inc. logo
    RGNX

    REGENXBIO Inc.

    Aug 25, 2026
    Award
    Direct
    15.4K shares-
  • Atara Biotherapeutics, Inc. logo
    ATRA

    Atara Biotherapeutics, Inc.

    Jun 9, 2026
    Award
    Direct
    12K shares-
  • Zymeworks Inc. logo
    ZYME

    Zymeworks Inc.

    Jan 12, 2026
    Award

    Stock Option (Right to Buy)

    Direct
    11.5K shares-
  • Zymeworks Inc. logo
    ZYME

    Zymeworks Inc.

    Jan 12, 2026
    Award

    Restricted Stock Unit

    Direct
    7.7K shares-
  • Zymeworks Inc. logo
    ZYME

    Zymeworks Inc.

    Aug 12, 2025
    Award
    Direct
    415K shares at avg. $12.02$5.0M
  • Zymeworks Inc. logo
    ZYME

    Zymeworks Inc.

    Aug 11, 2025
    Award

    Stock Option (Right to Buy)

    Direct
    62K shares-

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