James R. Meyers

CIK: 0001387521

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)5 (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 (3)

CTMX

CytomX Therapeutics, Inc.

Director

VERA

Vera Therapeutics, Inc.

Director

SGMO

SANGAMO THERAPEUTICS, INC

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

CTMX
CytomX Therapeutics, Inc.
Jun 17, 2026
Award(A)
Stock Option (Right to Buy)
Direct
59K shares-
VERA
Vera Therapeutics, Inc.
May 21, 2026
Award(A)
Stock Option (right to buy)
Direct
17.1K shares-
VERA
Vera Therapeutics, Inc.
Nov 25, 2025
Award(A)
Stock Option (right to buy)
Direct
25K shares-
SGMO
SANGAMO THERAPEUTICS, INC
Jun 12, 2025
Award(A)
Direct
25K shares-
CTMX
CytomX Therapeutics, Inc.
Jun 11, 2025
Award(A)
Stock Option (Right to Buy)
Direct
38K shares-

		Type	Shares	Price		Ownership
Jun 17, 2026	CTMX CytomX Therapeutics, Inc.	Award(A) Stock Option (Right to Buy)	59,000	-	-	Direct
May 21, 2026	VERA Vera Therapeutics, Inc.	Award(A) Stock Option (right to buy)	17,084	-	-	Direct
Nov 25, 2025	VERA Vera Therapeutics, Inc.	Award(A) Stock Option (right to buy)	25,000	-	-	Direct
Jun 12, 2025	SGMO SANGAMO THERAPEUTICS, INC	Award(A)	25,000	-	-	Direct
Jun 11, 2025	CTMX CytomX Therapeutics, Inc.	Award(A) Stock Option (Right to Buy)	38,000	-	-	Direct

1-5 of 5 transactions

About Meyers James R

Meyers James R (SEC CIK 0001387521) files insider reports with the SEC as Director of CytomX Therapeutics, Inc. (CTMX), Director of Vera Therapeutics, Inc. (VERA) and Director of SANGAMO THERAPEUTICS, INC (SGMO).

Signal8 holds 6 ownership filings by Meyers James R (1 Form 3, 5 Form 4), filed between Jun 13, 2025 and Jun 22, 2026. Those filings report 5 transactions, from Jun 11, 2025 to Jun 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Meyers James R's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Meyers James R

Jun 17, 2026: Grant or award of CTMX derivative securities (Form 4, code A).
May 21, 2026: Grant or award of VERA derivative securities (Form 4, code A).
Nov 25, 2025: Grant or award of VERA derivative securities (Form 4, code A).
Jun 12, 2025: Grant or award of SGMO shares (Form 4, code A).
Jun 11, 2025: Grant or award of CTMX derivative securities (Form 4, code A).

Other insiders filing for CytomX Therapeutics, Inc. (CTMX)

McCarthy Sean A., CEO
Carvajal Alejandra, Chief Legal Officer
Fuchs Charles S., Director
Su Zhen, Director
Young Matthew P., Director
Mohindru Mani, Director

How to read Form 4 transaction codes