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CytomX Therapeutics, Inc. (CTMX)

CytomX Therapeutics, Inc. (CTMX) Insider Trading

Directors, officers and holders of more than 10% of CTMX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 76 transactions on file: 0 with code P, 10 with code S and 40 with other codes.

DateInsiderCodeShares
Aug 3, 2026Carvajal AlejandraA Award450,000
Aug 3, 2026Carvajal AlejandraA Award100,000
Jul 24, 2026Fuchs Charles S.A Award118,000
Jun 17, 2026Gilbert Halley EA Award59,000
Jun 17, 2026Ashworth AlanA Award59,000
Jun 17, 2026Jones Elaine VA Award59,000
Jun 17, 2026Meyers James RA Award59,000
Jun 17, 2026Young Matthew P.A Award59,000
Jun 17, 2026Mohindru ManiA Award59,000
Jun 17, 2026Su ZhenA Award59,000
Jun 15, 2026Ogden ChristopherS Sale1,624
Mar 17, 2026BELVIN MARCIAS Sale31,492
Mar 17, 2026Ogden ChristopherS Sale19,323
Mar 17, 2026Chu Yu-WayeS Sale21,279
Mar 17, 2026McCarthy Sean A.S Sale118,969
Feb 2, 2026McCarthy Sean A.A Award980,000
Feb 2, 2026Ogden ChristopherA Award325,000
Feb 2, 2026BELVIN MARCIAA Award250,000
Feb 2, 2026Chu Yu-WayeA Award300,000
Feb 2, 2026Ogden ChristopherA Award90,000
Feb 2, 2026McCarthy Sean A.A Award210,000
Feb 2, 2026Lester RachaelA Award50,000
Feb 2, 2026Lester RachaelA Award50,000
Feb 2, 2026Lester RachaelA Award20,000
Feb 2, 2026Chu Yu-WayeA Award75,000
Feb 2, 2026BELVIN MARCIAA Award60,000
Nov 6, 2025McCarthy Sean A.M Exercise101,793
Nov 6, 2025McCarthy Sean A.S Sale101,793
Nov 6, 2025McCarthy Sean A.M Exercise101,793
Oct 20, 2025Lester RachaelA Award650,000
Sep 26, 2025BELVIN MARCIAA Award36,300
Sep 26, 2025McCarthy Sean A.A Award285,000
Sep 26, 2025McCarthy Sean A.A Award570,000
Sep 26, 2025Chu Yu-WayeA Award43,750
Sep 26, 2025Chu Yu-WayeA Award87,500
Sep 26, 2025Ogden ChristopherA Award78,250
Sep 26, 2025Ogden ChristopherA Award39,150
Sep 26, 2025BELVIN MARCIAA Award18,150
Jun 16, 2025Ogden ChristopherS Sale10,614
Jun 16, 2025McCarthy Sean A.S Sale55,511
Jun 16, 2025BELVIN MARCIAS Sale13,884
Jun 13, 2025BELVIN MARCIAM Exercise37,500
Jun 13, 2025McCarthy Sean A.M Exercise150,000
Jun 13, 2025BELVIN MARCIAM Exercise37,500
Jun 13, 2025Ogden ChristopherS Sale1,641
Jun 13, 2025Ogden ChristopherM Exercise37,500
Jun 13, 2025McCarthy Sean A.M Exercise150,000
Jun 13, 2025Ogden ChristopherM Exercise37,500
Jun 11, 2025Jones Elaine VA Award38,000
Jun 11, 2025Gilbert Halley EA Award38,000

The full Form 4 history is on the CTMX company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.