SKYH

SEC source: 0001437749-26-031986 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 718,538

F1 · balance_after: Reported amount includes 208,509 shares of Class A Common Stock and 510,029 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-031792 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 714,688

F1 · balance_after: Reported amount includes 204,659 shares of Class A Common Stock and 510,029 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-031686 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 713,088

F1 · balance_after: Reported amount includes 203,059 shares of Class A Common Stock and 510,029 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-030226 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 711,588

F1 · balance_after: Reported amount includes 201,559 shares of Class A Common Stock and 510,029 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-028472 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 710,588

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F3 · balance_after: Reported amount includes 200,559 shares of Class A Common Stock and 510,029 RSUs.

SEC source: 0001437749-26-028303 · rdgdoc.xml · nonDerivative · entry 1

GESSOW ANDREW J · CIK 0001033325 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,910

F1 · balance_after: Reported amount includes 15,000 shares of Class A Common Stock 7,910 RSUs.

SEC source: 0001437749-26-027810 · rdgdoc.xml · nonDerivative · entry 1

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,306,163

F1 · ownership.direct: All of the shares of Class A common stock sold as reported on this Form 4 were sold by Boston Omaha Corporation. As of the date of this report, Boston Omaha Corporation now owns 8,306,163 shares of the Class A common stock of Sky Harbour Group Corporation and United Casualty & Surety Insurance Company, a wholly-owned subsidiary of Boston Omaha Corporation, owns an additional 2,673,831 shares of the Class A common stock. Boston Omaha Corporation continues to own warrants to purchase 7,719,779 shares of Class A common stock of Sky Harbour Group Corporation.

SEC source: 0001437749-26-018198 · rdgdoc.xml · nonDerivative · entry 1

GESSOW ANDREW J · CIK 0001033325 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,910

F1 · balance_after: Reported amount includes 10,000 shares of Class A Common Stock 7,910 RSUs.

SEC source: 0001437749-26-017654 · rdgdoc.xml · nonDerivative · entry 2

Keinan Tal · CIK 0001906995 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 269,910

F2 · balance_after: Reported amount includes 40,927 shares of Class A Common Stock and 228,983 RSUs.

SEC source: 0001437749-26-017654 · rdgdoc.xml · nonDerivative · entry 1

Keinan Tal · CIK 0001906995 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 269,946

F1 · shares: Represents the open-market purchase of 100 shares of Class A Common Stock intended to be distributed by Mr. Keinan as gifts.

SEC source: 0001437749-26-011922 · rdgdoc.xml · nonDerivative · entry 2

GESSOW ANDREW J · CIK 0001033325 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,910

F2 · balance_after: Reported amount includes 5,000 shares of Class A Common Stock 7,910 RSUs.

SEC source: 0001437749-26-011777 · rdgdoc.xml · nonDerivative · entry 1

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,666,163

F1 · ownership.direct: All of the shares of Class A common stock sold as reported on this Form 4 were sold by Boston Omaha Corporation. As of the date of this report, Boston Omaha Corporation now owns 8,666,163 shares of the Class A common stock of Sky Harbour Group Corporation and United Casualty & Surety Insurance Company, a wholly-owned subsidiary of Boston Omaha Corporation, owns an additional 2,673,831 shares of the Class A common stock. Boston Omaha Corporation continues to own warrants to purchase 7,719,779 shares of Class A common stock of Sky Harbour Group Corporation.

SEC source: 0001437749-26-004944 · rdgdoc.xml · derivative · entry 4

Keinan Tal · CIK 0001906995 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 358,744

Underlying: Class A Common Stock · 358,744 shares

Expires 2036-02-18

F3 · derivative.exercise_date: Represents stock options granted under the Sky Harbour Group Corporation 2022 Incentive Award Plan. The stock options vest in installments in accordance with the terms of the applicable stock option agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-004944 · rdgdoc.xml · nonDerivative · entry 1

Keinan Tal · CIK 0001906995 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 276,291

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-004945 · rdgdoc.xml · derivative · entry 5

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 340,807

Underlying: Class A Common Stock · 340,807 shares

Expires 2036-02-18

F2 · derivative.exercise_date: Represents stock options granted under the Sky Harbour Group Corporation 2022 Incentive Award Plan. The stock options vest in installments in accordance with the terms of the applicable stock option agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-004945 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 724,908

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-004943 · rdgdoc.xml · derivative · entry 5

Schmitt Michael Weber · CIK 0001907546 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,780

Underlying: Class A Common Stock · 62,780 shares

Expires 2036-02-18

SEC source: 0001437749-26-004943 · rdgdoc.xml · nonDerivative · entry 1

Schmitt Michael Weber · CIK 0001907546 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,452

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-004942 · rdgdoc.xml · nonDerivative · entry 1

Adler Gerald · CIK 0001908013 · GC & Corporate Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,220

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F2 · balance_after: Reported amount includes 25,220 RSUs.

SEC source: 0001437749-26-004941 · rdgdoc.xml · nonDerivative · entry 1

Nancoo Alethia · CIK 0001906573 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,233

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F2 · balance_after: Reported amount includes 1,000 shares of Class A Common Stock 42,233 RSUs.

SEC source: 0001437749-26-004940 · rdgdoc.xml · nonDerivative · entry 1

Wellmon Nick · CIK 0001906606 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,233

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F2 · balance_after: Reported amount includes 42,233 RSUs.

SEC source: 0001437749-26-004939 · rdgdoc.xml · nonDerivative · entry 1

Leiponis Lysa · CIK 0001906593 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,233

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F2 · balance_after: Reported amount includes 42,233 RSUs.

SEC source: 0001437749-26-011922 · rdgdoc.xml · nonDerivative · entry 1

GESSOW ANDREW J · CIK 0001033325 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,910

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

SEC source: 0001437749-26-011919 · rdgdoc.xml · nonDerivative · entry 2

Rozek Alexander Buffett · CIK 0001689425 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278,938

F5 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F4 · balance_after: Represents 208,705 shares of Class A Common Stock owned by Mr. Rozek and 42,233 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.

SEC source: 0001437749-26-011920 · rdgdoc.xml · nonDerivative · entry 1

Moelis Jordan Scott · CIK 0001924616 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,233

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F2 · balance_after: Reported amount includes 14,233 RSUs.

SEC source: 0001437749-25-036129 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 521,518

F1 · balance_after: Reported amount includes 184,879 shares of Class A Common Stock and 336,639 restricted stock units 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.

SEC source: 0001437749-25-036036 · rdgdoc.xml · nonDerivative · entry 3

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 517,018

F1 · balance_after: Reported amount includes 180,379 shares of Class A Common Stock and 336,639 restricted stock units 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.

SEC source: 0001437749-25-036036 · rdgdoc.xml · nonDerivative · entry 2

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 515,718

SEC source: 0001437749-25-036036 · rdgdoc.xml · nonDerivative · entry 1

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 506,618

SEC source: 0001437749-25-035792 · rdgdoc.xml · nonDerivative · entry 2

Nancoo Alethia · CIK 0001906573 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 568

F2 · ownership.nature: Represents 568 shares of Class A Common Stock owned by Ms. Nancoo's spouse. Ms. Nancoo disclaims beneficial ownership except to the extent of her 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.

SEC source: 0001437749-25-035792 · rdgdoc.xml · nonDerivative · entry 1

Nancoo Alethia · CIK 0001906573 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,323

F1 · balance_after: Reported amount includes 1,000 shares of Class A Common Stock and 34,323 restricted stock units 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.

SEC source: 0001437749-25-019032 · rdgdoc.xml · nonDerivative · entry 3

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,997,663

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 30, 2025 at prices ranging from $10.22 to $10.37, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

F3 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 30, 2025 at prices ranging from $10.22 to $10.37, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

SEC source: 0001437749-25-019032 · rdgdoc.xml · nonDerivative · entry 2

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,050,502

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 29, 2025 at prices ranging from $10.50 to $10.95, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F2 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 29, 2025 at prices ranging from $10.50 to $10.95, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0001437749-25-019032 · rdgdoc.xml · nonDerivative · entry 1

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,068,793

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 28, 2025 at prices ranging from $10.65 to $10.77, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

F1 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 28, 2025 at prices ranging from $10.65 to $10.77, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

SEC source: 0001437749-25-018575 · rdgdoc.xml · nonDerivative · entry 3

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,080,929

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 27, 2025 at prices ranging from $10.95 to $11.16, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

F3 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 27, 2025 at prices ranging from $10.95 to $11.16, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

SEC source: 0001437749-25-018575 · rdgdoc.xml · nonDerivative · entry 2

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,092,127

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 23, 2025 at prices ranging from $10.67 to $10.89, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F2 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 23, 2025 at prices ranging from $10.67 to $10.89, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0001437749-25-018575 · rdgdoc.xml · nonDerivative · entry 1

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,116,449

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 22, 2025 at prices ranging from $10.77 to $11.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

F1 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 22, 2025 at prices ranging from $10.77 to $11.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

SEC source: 0001437749-25-018042 · rdgdoc.xml · nonDerivative · entry 3

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,135,473

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 21, 2025 at prices ranging from $11.25 to $11.34, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

F3 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 21, 2025 at prices ranging from $11.25 to $11.34, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

SEC source: 0001437749-25-018042 · rdgdoc.xml · nonDerivative · entry 2

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,136,174

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 20, 2025 at prices ranging from $11.50 to $11.80, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F2 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 20, 2025 at prices ranging from $11.50 to $11.80, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0001437749-25-018042 · rdgdoc.xml · nonDerivative · entry 1

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,140,016

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 19, 2025 at prices ranging from $11.75 to $11.99, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

F1 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 19, 2025 at prices ranging from $11.75 to $11.99, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

SEC source: 0001437749-26-004944 · rdgdoc.xml · nonDerivative · entry 2

Keinan Tal · CIK 0001906995 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 269,846

F4 · price: Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of an aggregate of 12,500 RSUs, which occurred monthly from May 17, 2025 to December 31, 2025. The value of the vested shares and the shares withheld to satisfy U.S. Federal and state income taxes is calculated based on the weighted-average closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

F2 · balance_after: Reported amount includes 40,863 shares of Class A Common Stock and 228,983 RSUs.

SEC source: 0001437749-26-004943 · rdgdoc.xml · nonDerivative · entry 2

Schmitt Michael Weber · CIK 0001907546 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,441

F4 · price: Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of an aggregate of 8,341 RSUs, which occurred monthly from May 17, 2025 to December 31, 2025. The value of the vested shares and the shares withheld to satisfy U.S. Federal and state income taxes is calculated based on the weighted-average closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

F3 · balance_after: Represents 25,033 shares of Class A Common Stock and 58,408 RSUs.

SEC source: 0001437749-25-015739 · rdgdoc.xml · nonDerivative · entry 1

Whitesell Willard · CIK 0002013035 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,873

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F3 · price: Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of an aggregate of 1,963 RSUs. The value of the vested shares and the shares withheld to satisfy U.S. Federal and state income taxes is calculated based on the weighted-average closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

F2 · balance_after: Reported amount includes 19,141 shares of Class A Common Stock and 66,732 RSUs.

SEC source: 0001437749-25-015741 · rdgdoc.xml · nonDerivative · entry 1

Keinan Tal · CIK 0001906995 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,302

F1 · shares: Represents 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 vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date.

F4 · price: Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of an aggregate of 1,563 RSUs. The value of the vested shares and the shares withheld to satisfy U.S. Federal and state income taxes is calculated based on the weighted-average closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

F2 · balance_after: Reported amount includes 34,808 shares of Class A Common Stock and 15,494 RSUs.

SEC source: 0001437749-25-015740 · rdgdoc.xml · nonDerivative · entry 2

Gonzalez Francisco · CIK 0001907671 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 504,618

F3 · price: Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of an aggregate of 10,000 RSUs. The value of the vested shares and the shares withheld to satisfy U.S. Federal and state income taxes is calculated based on the weighted-average closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

F2 · balance_after: Reported amount includes 143,506 shares of Class A Common Stock and 361,112 RSUs.

SEC source: 0001437749-25-015738 · rdgdoc.xml · nonDerivative · entry 2

Schmitt Michael Weber · CIK 0001907546 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,554

F3 · price: Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of an aggregate of 1,043 RSUs. The value of the vested shares and the shares withheld to satisfy U.S. Federal and state income taxes is calculated based on the weighted-average closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

F2 · balance_after: Represents 19,703 shares of Class A Common Stock and 32,851 RSUs.

SEC source: 0001437749-25-013400 · rdgdoc.xml · nonDerivative · entry 3

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,171,213

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 28, 2025 at prices ranging from $10.80 to $10.96, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

F3 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 28, 2025 at prices ranging from $10.80 to $10.96, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

SEC source: 0001437749-25-013400 · rdgdoc.xml · nonDerivative · entry 2

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,184,904

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 25, 2025 at prices ranging from $10.88 to $11.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F2 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 25, 2025 at prices ranging from $10.88 to $11.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0001437749-25-013400 · rdgdoc.xml · nonDerivative · entry 1

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,200,287

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 24, 2025 at prices ranging from $10.97 to $11.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

F1 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 24, 2025 at prices ranging from $10.97 to $11.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

SEC source: 0001437749-25-012843 · rdgdoc.xml · nonDerivative · entry 3

BOSTON OMAHA Corp · CIK 0001494582 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,212,371

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 23, 2025 at prices ranging from $10.95 to $11.36, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

F3 · ownership.direct: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on April 23, 2025 at prices ranging from $10.95 to $11.36, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.