ImmunityBio, Inc. — Director's Dealing 2016

May 21, 2016

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: NantKwest, Inc. (NK)
CIK: 0001326110
Period of Report: 2016-05-13

Reporting Person: Nelson Sonja (Chief Accounting Officer)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$		Common Stock (30000)		Direct

Footnotes

F1: 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: 50% of the RSUs will vest on March 23, 2018, and the remaining 50% of the RSUs will vest on March 23, 2020.

F2: Each restricted stock unit represents a contingent right to receive one share of NantKwest, Inc. common stock.