CytomX Therapeutics, Inc (CTMX) insider trading

Every open-market stock purchase and sale by CytomX Therapeutics, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.

Insider activity at a glance

  • Insiders sold $1.7M over the last 12 months (6 sales). No open-market buys.
  • Last insider buy: Elaine V Jones (Insider), $7.8K, 3 years ago.

Last 12 months: insiders bought $0 (0 buys) and sold $1.7M (6 sales). Last close $3.00 on Jun 4, 2026.

Recent CTMX insider trades

DateInsiderTradeValue
Jun 17, 2026Alan Ashworth (Insider)Bought (not open market)—
Jun 17, 2026Elaine V Jones (Insider)Bought (not open market)—
Jun 17, 2026Halley E Gilbert (Insider)Bought (not open market)—
Jun 17, 2026James R Meyers (Insider)Bought (not open market)—
Jun 17, 2026Mani Mohindru (Insider)Bought (not open market)—
Jun 17, 2026Matthew P. Young (Insider)Bought (not open market)—
Jun 17, 2026Zhen Su (Insider)Bought (not open market)—
Jun 15, 2026Christopher Ogden (CFO)Sold$5K
Mar 17, 2026Sean A. McCarthy (CEO)Sold$764K
Mar 17, 2026Marcia Belvin (C-suite exec)Sold$202K
Mar 17, 2026Yu-Waye Chu (C-suite exec)Sold$137K
Mar 17, 2026Christopher Ogden (CFO)Sold$124K
Feb 2, 2026Marcia Belvin (C-suite exec)Bought (not open market)—
Feb 2, 2026Marcia Belvin (C-suite exec)Bought (not open market)—
Feb 2, 2026Christopher Ogden (CFO)Bought (not open market)—
Feb 2, 2026Rachael Lester (C-suite exec)Bought (not open market)—
Feb 2, 2026Rachael Lester (C-suite exec)Bought (not open market)—
Feb 2, 2026Christopher Ogden (CFO)Bought (not open market)—
Feb 2, 2026Sean A. McCarthy (CEO)Bought (not open market)—
Feb 2, 2026Sean A. McCarthy (CEO)Bought (not open market)—
Feb 2, 2026Yu-Waye Chu (C-suite exec)Bought (not open market)—
Feb 2, 2026Yu-Waye Chu (C-suite exec)Bought (not open market)—
Nov 6, 2025Sean A. McCarthy (CEO)Sold$462K
Oct 20, 2025Rachael Lester (C-suite exec)Bought (not open market)—

Who's trading CTMX

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