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
                                                                                  
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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 * Blackwell Kimberly 2. Issuer Name and Ticker or Trading Symbol Zentalis Pharmaceuticals, Inc. [ ZNTL ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
C/O ZENTALIS PHARMACEUTICALS, INC., 530 SEVENTH AVENUE, SUITE 2201
3. Date of Earliest Transaction (MM/DD/YYYY)
6/4/2021
(Street)
NEW YORK, NY 10018
(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  6/4/2021    A    5000 (1) A $0  5000  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)  $52.25  6/4/2021    A     15000       (2) 6/3/2031  Common Stock  15000.0  $0  15000  D   

Explanation of Responses:
(1)  Represents restricted stock units, each of which represent a contingent right to receive one share of common stock, and which will vest on the first to occur of (a) June 4, 2022 or (b) the next occurring annual meeting of the Company's stockholders, subject to the Reporting Person's continued service on the Board of Directors through such vesting date.
(2)  The option vests and become exercisable in substantially equal monthly installments over the twelve (12) months following the date of grant, subject to the Reporting Person's continued service on the Board of Directors through each such vesting date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Blackwell Kimberly
C/O ZENTALIS PHARMACEUTICALS, INC.
530 SEVENTH AVENUE, SUITE 2201
NEW YORK, NY 10018
X



Signatures
By: /s/ Melissa B. Epperly, Attorney-in-Fact for Kimberly Blackwell 6/8/2021
**Signature of Reporting Person Date
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