CytomX Therapeutics, Inc. — Director's Dealing 2017

Mar 31, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CytomX Therapeutics, Inc. (CTMX)
CIK: 0001501989
Period of Report: 2017-03-29

Reporting Person: McCourt Marion (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-03-29	Stock Option (right to buy)	$17.00	A	28000	Acquired	2027-03-28	Common Stock (28000)	Direct

Footnotes

F1: 1/36th of the shares subject to the option vest on each monthly anniversary measured from March 31, 2017 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service to the Issuer through each such date.