ImmunityBio, Inc. — Director's Dealing 2016

Sep 28, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NantKwest, Inc. (NK)
CIK: 0001326110
Period of Report: 2016-09-23

Reporting Person: Tajak Richard J. (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-09-23	Common Stock	M	5000	$0.00	Acquired	8292	Direct
2016-09-23	Common Stock	F	1717	$7.91	Disposed	6575	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-09-23	Restricted Stock Units	$	M	5000	Disposed		Common Stock (5000)	Direct

Footnotes

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of NantKwest, Inc. common stock.

F2: Subject to the reporting person's continuing to be a Service Provider (as defined in the 2015 Equity Incentive Plan) through each applicable vesting date, the restricted stock units ("RSUs") will vest as follows: 1/4th of the RSUs subject to the award shall vest 3 months following the vesting commencement date on the same day of the month as the vesting commencement date, and 1/4th of the RSUs subject to the award shall vest every 3 months thereafter on the same day of the month as the vesting commencement date such that the award shall be fully vested on March 23, 2017. The vesting commencement date for this award is March 23, 2016.