Statement of Changes in Beneficial Ownership (4)

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 * PATRICK DEVAL L	2. Issuer Name and Ticker or Trading Symbol Global Blood Therapeutics, Inc. [ GBT ]	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 GLOBAL BLOOD THERAPEUTICS, INC., 181 OYSTER POINT BLVD.	3. Date of Earliest Transaction (MM/DD/YYYY) 6/17/2021
(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
Common Stock	6/17/2021		M		3037	A	(1)	5437	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
Restricted Stock Units	(1)	6/17/2021		M			3037	6/17/2021 (2)	(2)	Common Stock	3037	$0.00	0	D
Stock Option (Right to Buy)	$37.09	6/17/2021		A		5600		(3)	6/16/2031	Common Stock	5600	$0.00	5600	D
Restricted Stock Units	(1)	6/17/2021		A		3600		(4)	(4)	Common Stock	3600	$0.00	3600	D

Explanation of Responses:
(1)	Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
(2)	The RSUs vested in a single installment on June 17, 2021.
(3)	The shares subject to this option shall vest and become exercisable in equal monthly installments over a period of 12 months following June 17, 2021 for 11 months and the remaining 1/12th on the earlier of (i) June 17, 2022 or (ii) the Issuer's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Issuer's Board of Directors. This option is subject to full acceleration of vesting with respect to all then-unvested shares upon the consummation of a Sale Event (as defined in the Issuer's 2015 Stock Option and Incentive Plan, as amended).
(4)	The shares of Common Stock underlying the RSUs vest in a single installment on the earlier of (i) June 17, 2022 or (ii) the Issuer's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Issuer's Board of Directors. The shares of Common Stock underlying the RSUs are subject to full acceleration of vesting with respect to all then-unvested shares upon the consummation of a Sale Event (as defined in the Issuer's 2015 Stock Option and Incentive Plan, as amended).

Remarks: EXHIBIT 24: Power of Attorney

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PATRICK DEVAL L C/O GLOBAL BLOOD THERAPEUTICS, INC. 181 OYSTER POINT BLVD. SOUTH SAN FRANCISCO, CA 94080	X

Signatures
/s/ Miguel Carrillo, Attorney-in-Fact		6/21/2021
**Signature of Reporting Person		Date