CytomX Therapeutics Inc.

Last updated September 27, 2026

Organization details

Legal name
CytomX Therapeutics Inc.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Delaware
Headquarters city
South SAN Francisco
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
CTMX
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001501989
EIN
27-3521219

Board of directors

Chief executives

Dates unknown

Director election results

Annual meeting of June 17, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

5 of this board's directors also sit on 7 other boards. 7 are in the same sector.

Network of CytomX Therapeutics Inc.'s board connections Arbutus Biopharma Corporation Arbutus Biopharma Corp... Arcutis Biotherapeutics Inc. Arcutis Biotherapeutic... Cardiff Oncology Inc. Cardiff Oncology Inc. Karyopharm Therapeutics Inc. Karyopharm Therapeutic... NextCure Inc. NextCure Inc. Vaxcyte Inc. Vaxcyte Inc. Vera Therapeutics Inc. Vera Therapeutics Inc. Elaine Jones V Elaine Jones V Halley E. Gilbert Halley E. Gilbert James R. Meyers James R. Meyers Mani Mohindru Mani Mohindru Zhen Su Zhen Su CytomX Therapeutics Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$1,231,578
5 sales by 4 insiders
Date Insider Transaction Shares Price Value
Aug 3, 2026 Carvajal Alejandra Officer (Chief Legal Officer) Grant or award +100,000 — —
Jun 15, 2026 Ogden Christopher Officer (Chief Financial Officer) Open-market sale −1,624 $3.05 $4,953
Mar 17, 2026 Chu Yu-Waye Officer (Chief Medical Officer) Open-market sale −21,279 $6.42 $136,611
Mar 17, 2026 Sean A. McCarthy Director, Officer (CEO) Open-market sale −118,969 $6.42 $763,781
Mar 17, 2026 BELVIN MARCIA Officer (SVP, Chief Scientific Officer) Open-market sale −31,492 $6.42 $202,179
Mar 17, 2026 Ogden Christopher Officer (Chief Financial Officer) Open-market sale −19,323 $6.42 $124,054
Feb 2, 2026 Lester Rachael Officer (Chief Business Officer) Grant or award +20,000 — —
Feb 2, 2026 Chu Yu-Waye Officer (Chief Medical Officer) Grant or award +75,000 — —
Feb 2, 2026 BELVIN MARCIA Officer (SVP, Chief Scientific Officer) Grant or award +60,000 — —
Feb 2, 2026 Ogden Christopher Officer (Chief Financial Officer) Grant or award +90,000 — —
Feb 2, 2026 Sean A. McCarthy Director, Officer (CEO) Grant or award +210,000 — —
Nov 6, 2025 Sean A. McCarthy Director, Officer (CEO) Open-market sale −101,793 $4.54 $462,140
Jun 16, 2025 BELVIN MARCIA Officer (SVP, Chief Scientific Officer) Open-market sale −13,884 $2.69 $37,348
Jun 16, 2025 Sean A. McCarthy Director, Officer (CEO) Open-market sale −55,511 $2.69 $149,325
Jun 16, 2025 Ogden Christopher Officer (Chief Financial Officer) Open-market sale −10,614 $2.69 $28,552

Organizations in the same sector, closest in location and size first.

Questions about CytomX Therapeutics Inc.

Who is the CEO of CytomX Therapeutics Inc.?

Sean A. McCarthy is CytomX Therapeutics Inc.'s CEO.

How many directors are on CytomX Therapeutics Inc.'s board?

CytomX Therapeutics Inc.'s board has 9 directors: Alan Ashworth, Charles S. Fuchs, Elaine Jones V, Halley E. Gilbert, James R. Meyers, Mani Mohindru, Matthew P. Young, Sean A. McCarthy and Zhen Su.

Are CytomX Therapeutics Inc. insiders buying or selling shares?

Over the last 12 months, CytomX Therapeutics Inc. insiders made no open-market purchases and sold $1.2 million of shares in 5 sales on the open market, as reported to the SEC on Forms 4 and 5.

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