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    SEC Form 4: Firstmark Horizon Sponsor Llc converted options into 5,385,109 shares and returned 5,385,109 shares to the company

    3/28/22 5:33:09 PM ET
    $FMAC
    Get the next $FMAC alert in real time by email
    SEC FORM 4 SEC Form 4
    FORM 4 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
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number: 3235-0287
    Estimated average burden
    hours per response: 0.5
    X
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
    1. Name and Address of Reporting Person*
    FirstMark Horizon Sponsor LLC

    (Last) (First) (Middle)
    100 5TH AVE, 3RD FLOOR

    (Street)
    NEW YORK NY 10011

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    FirstMark Horizon Acquisition Corp. [ FMAC ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    X Director X 10% Owner
    Officer (give title below) Other (specify below)
    3. Date of Earliest Transaction (Month/Day/Year)
    03/28/2022
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    6. Individual or Joint/Group Filing (Check Applicable Line)
    Form filed by One Reporting Person
    X 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. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 03/28/2022 M(1) 5,385,109 A (1) 5,385,109 D(2)
    Class A common stock 03/28/2022 D(3) 5,385,109 D (3) 0 D(2)
    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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 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: 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
    Class B common stock (4) 03/28/2022 M(1) 10,230,000 (4) (4) Class A common stock 10,230,000 (4) 0 D(2)
    1. Name and Address of Reporting Person*
    FirstMark Horizon Sponsor LLC

    (Last) (First) (Middle)
    100 5TH AVE, 3RD FLOOR

    (Street)
    NEW YORK NY 10011

    (City) (State) (Zip)
    1. Name and Address of Reporting Person*
    HEITZMANN RICHARD R

    (Last) (First) (Middle)
    C/O FIRSTMARK HORIZON ACQUISITION CORP.
    100 5TH AVE, 3RD FLOOR

    (Street)
    NEW YORK NY 10011

    (City) (State) (Zip)
    1. Name and Address of Reporting Person*
    JANI AMISH A

    (Last) (First) (Middle)
    C/O FIRSTMARK HORIZON ACQUISITION CORP.
    100 5TH AVE, 3RD FLOOR

    (Street)
    NEW YORK NY 10011

    (City) (State) (Zip)
    Explanation of Responses:
    1. In connection with the issuer's business combination with Starry Group Holdings, Inc. (the "Business Combination"), all 10,230,000 shares of Class B common stock, par value $0.0001 per share ("Class B Share"), of the issuer held by the reporting owner, FirstMark Horizon Sponsor LLC (the "Sponsor"), were exchanged and converted into the number of shares of Class A common stock, par value $0.0001 per share ("Class A Share"), of the issuer equal to 6,685,613 divided by 1.2415 (the "Exchange Ratio").
    2. The reporting owner, FirstMark Horizon Sponsor LLC (the "Sponsor"), in whose name the securities reported herein are held, is managed by its managers, Richard Heitzmann and Amish Jani. Messrs. Heitzmann and Jani may be deemed to beneficially own shares held by the Sponsor by virtue of their shared control over the Sponsor. Each of Messrs. Heitzmann and Jani disclaims beneficial ownership of the shares held by the Sponsor, except to the extent of such person's pecuniary interest therein.
    3. In connection with the Business Combination, all 5,385,109 Class A Shares held by the Sponsor were canceled and converted into the right to receive the number of shares of Class A common stock, par value $0.0001 per share, of Starry Group Holdings, Inc. equal to the number of canceled Class A Shares multiplied by the Exchange Ratio.
    4. Class B Shares were convertible into Class A Shares on a one-for-one basis, subject to certain adjustment, and had no expiration date.
    Remarks:
    Messrs. Heitzmann and Jani, the managers of the Sponsor, serve on the board of directors of the issuer. For the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the Sponsor may be deemed a director by deputization with respect to the issuer on the basis of the service of Messrs. Heitzmann and Jani on the issuer's board of directors.
    FirstMark Horizon Sponsor LLC, by: /s/ Amish Jani, Manager 03/28/2022
    /s/ Amish Jani, as attorney-in-fact for Richard Heitzmann 03/28/2022
    /s/ Amish Jani 03/28/2022
    ** Signature of Reporting Person Date
    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).
    ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
    Get the next $FMAC alert in real time by email

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