Sec Form 4 Filing - North Island Ventures, LLC @ Virtu Financial, Inc. - 2021-11-24

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person North Island Ventures, LLC 2. Issuer Name and Ticker or Trading Symbol Virtu Financial, Inc. [ VIRT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 667 MADISON AVE, 3. Date of Earliest Transaction (MM/DD/YY) 11/24/2021 (Street) NEW YORK, NY10065 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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, par value $0.00001 per share 11/24/2021 J 17,411,715 D $ 0( 1 ) 2,447,528 I See footnotes( 2 )( 3 )( 4 )( 5 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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

Other Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer North Island Ventures, LLC 667 MADISON AVE NEW YORK, NY10065 X North Island Holdings I, LP 667 MADISON AVE C/O ORDINAL VENTURES, LLC NEW YORK, NY10065 X North Island Holdings I GP, LP 667 MADISON AVE C/O ORDINAL VENTURES, LLC NEW YORK, NY10065 X North Island L.L.C. C/O GLENN H. HUTCHINS 667 MADISON AVE NEW YORK, NY10065 X West Meadow Group LLC C/O ROBERT GREIFELD 667 MADISON AVE NEW YORK, NY10065 X HUTCHINS GLENN H 667 MADISON AVE NEW YORK, NY10065 X GREIFELD ROBERT 667 MADISON AVE NEW YORK, NY10065 X X Signatures /s/ Glenn H. Hutchins, Authorized Signatory of Ordinal Ventures, LLC 11/29/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On November 24, 2021, Ordinal Holdings I, LP effected a distribution in kind of 17,411,715 shares of Issuer Class A common stock, par value $0.00001 per share ("Class A Common Stock"), to Coral Blue Investment Pte. Ltd., a limited partner of Ordinal Holdings I, LP at the time of such distribution (the "Distribution"). ( 2 )These shares are owned directly by Ordinal Holdings I, LP. ( 3 )The sole general partner of Ordinal Holdings I, LP is Ordinal Holdings I GP, LP. The sole general partner of Ordinal Holdings I GP, LP is Ordinal Ventures, LLC. Messrs. Hutchins and Greifeld, directly and/or indirectly through Tide Mill L.L.C. and West Meadow Group LLC, respectively, each control 50% of the membership interests in Ordinal Ventures, LLC. Each of Ordinal Holdings I GP, LP, Ordinal Ventures, LLC, Tide Mill L.L.C., and West Meadow Group LLC and Messrs. Hutchins and Greifeld may be deemed to beneficially own the shares beneficially owned by Ordinal Holdings I, LP, but each (other than the Ordinal Holdings I, LP to the extent of its direct holdings) disclaims beneficial ownership of such shares, except to the extent of such Reporting Person's pecuniary interest therein. (continued in Footnote 4) ( 4 )(continued from Footnote 3) The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein. Following the Distribution, the Reporting Persons own less than 10% of the outstanding shares of Class A Common Stock of the Issuer. Additionally, on August 17, 2021, Mr. Hutchins resigned as a director of the Issuer. As a result of these events, Ordinal Holdings I, LP, Ordinal Holdings I GP, LP, Tide Mill L.L.C., West Meadow Group LLC and Mr. Hutchins are no longer subject to Section 16 reporting requirements with respect to the Issuer's securities. Mr. Greifeld serves as a director of the Issuer and remains subject to Section 16 reporting requirements in such capacity, including with respect to shares indirectly owned by Mr. Greifeld through West Meadow Group LLC. ( 5 )Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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