Sean A. McCarthy

CTMX

Sean A. McCarthy serves as director, officer: CEO at CytomX Therapeutics, Inc. (CTMX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

12 trades

$2.98M

Net Position

Net Seller

$2.98M

Companies Traded

CTMX

Active Period

Mar 2021 – Mar 2026

12 total trades

Most Recent

Sell CTMX

Mar 19, 2026 · $764.1K

Sean A. McCarthy's Insider Trading at CytomX Therapeutics, Inc. (CTMX)

Buys

0 · $0.00

Sells

12 · $2.98M

Total Shares Bought

Total Shares Sold

598,234

CTMX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 19, 2026	Sell	118,969	$6.42	$764.1K	1,078,922
Nov 6, 2025	Sell	101,793	$4.54	$461.9K	0
Jun 13, 2025	Sell	55,511	$2.69	$149.3K	0
Mar 18, 2025	Sell	37,656	$0.60	$22.6K	0
Aug 20, 2024	Sell	13,898	$1.23	$17.1K	0
Mar 19, 2024	Sell	20,223	$2.09	$42.2K	0
Dec 20, 2023	Sell	13,551	$1.38	$18.7K	0
Sep 20, 2023	Sell	14,601	$1.30	$19.0K	0
Mar 16, 2023	Sell	7,121	$1.88	$13.4K	0
Jul 19, 2022	Sell	14,911	$1.42	$21.2K	0
Jun 16, 2021	Sell	100,000	$7.04	$704.5K	0
Mar 31, 2021	Sell	100,000	$7.49	$749.5K	0

Related Insiders

BELVIN MARCIA

SVP, Chief Scientific Officer

CTMXSell · Mar 19, 2026

Yu-Waye Chu

officer: Chief Medical Officer

CTMXSell · Mar 19, 2026

Christopher Ogden

officer: Chief Financial Officer

CTMXSell · Mar 19, 2026

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