Sec Form 3 Filing - JANI AMISH A @ Starry Group Holdings, Inc. - 2022-03-28

FORM 3 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 JANI AMISH A 2. Issuer Name and Ticker or Trading Symbol Starry Group Holdings, Inc. [ STRY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 100 5TH AVE, 3RD FLOOR, 3. Date of Earliest Transaction (MM/DD/YY) 03/28/2022 (Street) NEW YORK, NY10011 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 6,685,613 I By FirstMark Horizon Sponsor LLC( 1 )

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 Private Placement Warrants $ 11.5 ( 2 ) ( 2 ) Class A common stock 8,508,143( 3 ) I By FirstMark Horizon Sponsor LLC( 1 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other JANI AMISH A 100 5TH AVE, 3RD FLOOR NEW YORK, NY10011 X X FirstMark Horizon Sponsor LLC 100 5TH AVE, 3RD FLOOR NEW YORK, NY10011 X X HEITZMANN RICHARD R C/O FIRSTMARK HORIZON ACQUISITION CORP. 100 5TH AVE, 3RD FLOOR NEW YORK, NY10011 X X Signatures /s/ Amish Jani 03/28/2022 Signature of Reporting Person Date FirstMark Horizon Sponsor LLC, by: /s/ Amish Jani, Manager 03/28/2022 Signature of Reporting Person Date /s/ Richard Heitzmann 03/28/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )FirstMark Horizon Sponsor LLC (the "Sponsor") 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. ( 2 )The warrants will become exercisable on April 27, 2022. The warrants will expire five years after April 27, 2022 or earlier upon redemption or liquidation. ( 3 )Each warrant is exercisable for 1.2415 shares of Class A common stock.

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).

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