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 * JOHNSON DAVID LEE 2. Issuer Name and Ticker or Trading Symbol Global Blood Therapeutics, Inc. [ GBT ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Commercial Officer
(Last)         (First)         (Middle)
C/O GLOBAL BLOOD THERAPEUTICS, INC., 181 OYSTER POINT BOULEVARD
3. Date of Earliest Transaction (MM/DD/YYYY)
6/1/2020
(Street)
SOUTH SAN FRANCISCO, CA 94080
(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

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
Restricted Stock Units   (1) 6/1/2020    A     42400       (2)  (2) Common Stock  42400  $0.00  42400  D   

Explanation of Responses:
(1)  Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Issuer's Common Stock.
(2)  The RSUs vest in installments conditioned upon the achievement, on or before June 30, 2024, of up to three specified market price thresholds of the Issuer, subject to the Reporting Person's continuous service with the Issuer through each vesting date. The RSUs are subject to accelerated vesting upon termination without cause or resignation for good reason after a change of control of the Issuer.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
JOHNSON DAVID LEE
C/O GLOBAL BLOOD THERAPEUTICS, INC.
181 OYSTER POINT BOULEVARD
SOUTH SAN FRANCISCO, CA 94080


Chief Commercial Officer

Signatures
/s/ Tricia Suvari, Attorney-in-Fact 6/3/2020
**Signature of Reporting Person Date
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