Gregory Austin Ciongoli

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)

GOSS

Gossamer Bio, Inc.

Director

RGNX

REGENXBIO Inc.

Director

ATRA

Atara Biotherapeutics, Inc.

Director10% Owner

ZYME

Zymeworks Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (9 total)

GOSS
Gossamer Bio, Inc.
Sep 23, 2026
Award(A)
Stock Option (Right to Buy)
Direct
30K shares-
RGNX
REGENXBIO Inc.
Aug 27, 2026
Purchase(P)
Direct
53.4K shares at avg. $9.36$500K
RGNX
REGENXBIO Inc.
Aug 26, 2026
Purchase(P)
Direct
49.2K shares at avg. $9.14$450K
RGNX
REGENXBIO Inc.
Aug 25, 2026
Award(A)
Direct
15.4K shares-
ATRA
Atara Biotherapeutics, Inc.
Jun 9, 2026
Award(A)
Direct
12K shares-
ZYME
Zymeworks Inc.
Jan 12, 2026
Award(A)
Stock Option (Right to Buy)
Direct
11.5K shares-
ZYME
Zymeworks Inc.
Jan 12, 2026
Award(A)
Restricted Stock Unit
Direct
7.7K shares-
ZYME
Zymeworks Inc.
Aug 12, 2025
Award(A)
Direct
415K shares at avg. $12.02$5.0M
ZYME
Zymeworks Inc.
Aug 11, 2025
Award(A)
Stock Option (Right to Buy)
Direct
62K shares-

		Type	Shares	Price		Ownership
Sep 23, 2026	GOSS Gossamer Bio, Inc.	Award(A) Stock Option (Right to Buy)	30,000	-	-	Direct
Aug 27, 2026	RGNX REGENXBIO Inc.	Purchase(P)	53,407	$9.36	$499,676	Direct
Aug 26, 2026	RGNX REGENXBIO Inc.	Purchase(P)	49,196	$9.14	$449,706	Direct
Aug 25, 2026	RGNX REGENXBIO Inc.	Award(A)	15,432	-	$0	Direct
Jun 9, 2026	ATRA Atara Biotherapeutics, Inc.	Award(A)	12,000	-	$0	Direct
Jan 12, 2026	ZYME Zymeworks Inc.	Award(A) Stock Option (Right to Buy)	11,500	-	-	Direct
Jan 12, 2026	ZYME Zymeworks Inc.	Award(A) Restricted Stock Unit	7,700	-	-	Direct
Aug 12, 2025	ZYME Zymeworks Inc.	Award(A)	415,000	$12.02	$4,988,300	Direct
Aug 11, 2025	ZYME Zymeworks Inc.	Award(A) Stock Option (Right to Buy)	62,000	-	-	Direct

1-9 of 9 transactions

About Ciongoli Gregory Austin

Ciongoli Gregory Austin (SEC CIK 0002023732) files insider reports with the SEC as Director of Gossamer Bio, Inc. (GOSS), Director of REGENXBIO Inc. (RGNX) and Director of Atara Biotherapeutics, Inc. (ATRA). Signal8 also holds filings tied to 1 other company.

Signal8 holds 8 ownership filings by Ciongoli Gregory Austin (3 Form 3, 5 Form 4), filed between Aug 12, 2025 and Sep 25, 2026. Those filings report 9 transactions, from Aug 11, 2025 to Sep 23, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ciongoli Gregory Austin's filings is in SAN DIEGO, CA.

Recent filings by Ciongoli Gregory Austin

Sep 23, 2026: Grant or award of GOSS derivative securities (Form 4, code A).
Aug 27, 2026: Open-market purchase of RGNX shares (Form 4, code P).
Aug 26, 2026: Open-market purchase of RGNX shares (Form 4, code P).
Aug 25, 2026: Grant or award of RGNX shares (Form 4, code A).
Jun 9, 2026: Grant or award of ATRA shares (Form 4, code A).

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

Milligan Sandra, Director
Daniel Thomas O, Director
Drynan Skye, Director
Quisel John D, Director
Cox Russell J., Director
Nathan Steven D, Director

How to read Form 4 transaction codes