TW Tradeweb Markets 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 * Olesky Lee	2. Issuer Name and Ticker or Trading Symbol Tradeweb Markets Inc. [ TW ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Chief Executive Officer
(Last)          (First)          (Middle) TRADEWEB MARKETS INC., 1177 AVENUE OF THE AMERICAS	3. Date of Earliest Transaction (MM/DD/YYYY) 3/17/2020
(Street) NEW YORK, NY 10036 (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
Class A common stock	3/17/2020		A(1)		51453	A	$0	557692 (2)	D
Class A common stock								20000	I	See footnote (3)

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

Explanation of Responses:
(1)	The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment with the issuer through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 17, 2020.
(2)	This amount includes (i) 207,713 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2021, subject to the reporting person's continued employment through such date, (ii) 298,526 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2022, subject to the reporting person's continued employment through such date, and (iii) 51,453 unvested RSUs in respect of Class A Common Stock which are scheduled to vest as described in footnote 1 to this Form 4.
(3)	The reporting person owns these securities through The Lee Olesky 2019 Family Trust U/A/D March 21, 2019 ("The Family Trust"). The reporting person and his wife, as the co-trustees of The Family Trust, share the power to vote and invest the securities, but each disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Olesky Lee TRADEWEB MARKETS INC. 1177 AVENUE OF THE AMERICAS NEW YORK, NY 10036	X		Chief Executive Officer

Signatures
/s/ Scott Zucker, Attorney-in-Fact for Lee Olesky		3/19/2020
**Signature of Reporting Person		Date