Sec Form 4 Filing - Rozek Alexander Buffett @ Sky Harbour Group Corp - 2024-12-20

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 Rozek Alexander Buffett 2. Issuer Name and Ticker or Trading Symbol Sky Harbour Group Corp [ SKYH] 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) 3 SNOW ROAD #432 3. Date of Earliest Transaction (MM/DD/YY) 12/20/2024 (Street) MARSHFIELD, MA02050 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 ( 1 ) 12/20/2024 P 76,243 A $ 9.5 323,613 I See Footnote ( 2 ) Class A common stock ( 4 ) 264,705 D Class A common stock 12/20/2024 P 76,243 A $ 9.5 128,875 I By spouse ( 3 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Rozek Alexander Buffett 3 SNOW ROAD #432 MARSHFIELD, MA02050 X Signatures /s/ Gerald Adler, Attorney-in-Fact 12/26/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents 247,370 shares of Class A Common Stock previously owned by Boulderado Partners, LLC ("BP") plus BP's acquired 76,243 shares of Class A Common Stock. ( 2 )The reported shares are directly owned by BP. Boulderado Capital, LLC ("BC") is the managing member of BP. Boulderado Group, LLC ("BG") is the investment manager of BP. Mr. Rozek is the managing member of BP, BC and BG. BP, BC, BG and Mr. Rozek disclaim beneficial ownership except to the extent of their respective pecuniary interests therein, and this report shall not be deemed an admission of beneficial ownership of these securities for Section 16 or for any other purposes. ( 3 )Represents 52,632 shares of Class A Common Stock previously acquired by Mr. Rozek's spouse plus the acquired 76,243 shares of Class A Common Stock. Mr. Rozek disclaims beneficial ownership except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission of beneficial ownership of these securities for Section 16 or for any other purposes. ( 4 )Represents 208,705 shares of Class A Common Stock previously owned by Mr. Rozek and 28,000 restricted stock units ("RSUs") granted under the Sky Harbour Group Corporation 2022 Incentive Award Plan. Each RSU represents the contingent right to receive, in accordance with the terms of the applicable RSU agreement, one share of Class A Common Stock of the Issuer for each vested RSU. The RSUs will vest in four equal annual installments beginning on the first anniversary of the date of grant, provided the reporting person remains in service through the applicable vesting 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).

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