FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
 OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response... 0.5
                      
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                       
1. Name and Address of Reporting Person * Nelson Sonja 2. Issuer Name and Ticker or Trading Symbol NantKwest, Inc. [ NK ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Financial Officer
(Last)         (First)         (Middle)
C/O NANTKWEST, INC., 3530 JOHN HOPKINS COURT		 3. Date of Earliest Transaction (MM/DD/YYYY)
1/12/2021
(Street)
SAN DIEGO, CA 92121
(City)       (State)       (Zip)
 4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
 6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock  1/12/2021    M    11364  A $3.07  31774  D   
Common Stock  1/12/2021    S(1)    16364  D $15.00  15410  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy)  $3.07  1/12/2021    M        11364    (2) 8/27/2028  Common Stock  11364  $0.00  165907  D   

Explanation of Responses:
(1)  The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 4, 2020.
(2)  Subject to the award recipient's continuing to be a Service Provider (as defined in the 2015 Equity Incentive Plan) through each applicable vesting date, the option shall vest as follows: twenty five percent (25%) of the shares subject to the option shall vest and become exercisable on August 27, 2019, and thereafter the remaining shares subject to the option shall vest and become exercisable in equal monthly installments over thirty six (36) months, such that the option will be fully vested and exercisable on August 27, 2022.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Nelson Sonja
C/O NANTKWEST, INC.
3530 JOHN HOPKINS COURT
SAN DIEGO, CA 92121

Chief Financial Officer

Signatures
/s/ Sonja Nelson 1/13/2021
**Signature of Reporting Person Date