CRBP Corbus Pharmaceuticals Holdings Inc

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 * Jenkins John Kenneth	2. Issuer Name and Ticker or Trading Symbol Corbus Pharmaceuticals Holdings, Inc. [ CRBP ]	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 CORBUS PHARMACEUTICALS HOLDINGS,INC., 500 RIVER RIDGE DRIVE	3. Date of Earliest Transaction (MM/DD/YYYY) 6/17/2021
(Street) NORWOOD, MA 02062 (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
Stock Option (right to buy)	$2.07	6/17/2021		A		58200		(1)	6/17/2031	Common Stock	58200	$0.00	58200	D
Stock Option (right to buy)	$2.07	6/17/2021		A		58200		(2)	6/17/2031	Common Stock	58200	$0.00	58200	D

Explanation of Responses:
(1)	The annual option award was made in accordance with the terms of the issuer's 2014 Equity Compensation Plan. The option will vest in equal monthly installments over the course of 12 months beginning on the date of grant.
(2)	Represents a special retention award comprised of options to purchase common stock. The option will vest in equal monthly installments over the course of 12 months beginning on the date of grant.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Jenkins John Kenneth C/O CORBUS PHARMACEUTICALS HOLDINGS,INC. 500 RIVER RIDGE DRIVE NORWOOD, MA 02062	X

Signatures
/s/ Sean Moran, attorney-in-fact for John Jenkins		6/17/2021
**Signature of Reporting Person		Date