Flug Jeffrey

SEC source: 0001620533-19-000113 · wf-form4_156539122243418.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 49,800

F1 · price: The transaction was executed in multiple trades at prices ranging from $86.10 to $86.20. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Stock of the Issuer held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-19-000094 · wf-form4_156453581703418.xml · derivative · entry 4

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 50,000

Underlying: CLASS A COMMON STOCK · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Represents LLC Interests redeemable for an equal number of shares of the Issuer's Class A Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F5 · derivative.exercise_date: Represents LLC Interests redeemable for an equal number of shares of the Issuer's Class A Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F5 · derivative.expiration_date: Represents LLC Interests redeemable for an equal number of shares of the Issuer's Class A Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F6 · ownership.nature: Represents LLC Interests held by the Trust. Each Reporting Person disclaims beneficial ownership of such interests except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-19-000094 · wf-form4_156453581703418.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 50,000

F3 · price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, the shares of the Issuer's Class B Common Stock ("Class B Stock") are cancelled for no consideration on a one-for-one basis upon redemption of the LLC Interests for shares of Class A Stock of the Issuer.

F4 · ownership.nature: Represents shares of Class B Stock of the Issuer held by the Trust. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-19-000094 · wf-form4_156453581703418.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 50,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F1 · price: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F2 · ownership.nature: Represents shares of Class A Stock of the Issuer held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-19-000078 · wf-form4_156046013098015.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,059

F1 · shares: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") underlying restricted stock units acquired by the Reporting Person. On June 11, 2019, pursuant to the Issuer's 2015 Incentive Award Plan, as amended, and the Issuer's Non-Employee Director Compensation Policy, the Reporting Person was awarded restricted stock units that represent the right to receive Class A Stock of the Issuer. The restricted stock units representing the right to receive Class A Stock of the Issuer vest on June 11, 2020, subject to the Reporting Person's continued service with the Issuer.

F1 · price: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") underlying restricted stock units acquired by the Reporting Person. On June 11, 2019, pursuant to the Issuer's 2015 Incentive Award Plan, as amended, and the Issuer's Non-Employee Director Compensation Policy, the Reporting Person was awarded restricted stock units that represent the right to receive Class A Stock of the Issuer. The restricted stock units representing the right to receive Class A Stock of the Issuer vest on June 11, 2020, subject to the Reporting Person's continued service with the Issuer.

SEC source: 0001620533-18-000133 · wf-form4_154361755311262.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 0

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and pricesat which the transaction was effected.

F5 · price: The transaction was executed in multiple trades at prices ranging from $54.2000 to $54.4200. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust.Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000133 · wf-form4_154361755311262.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 17,054

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and pricesat which the transaction was effected.

F4 · price: The transaction was executed in multiple trades at prices ranging from $53.3700 to $53.6000. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust.Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000133 · wf-form4_154361755311262.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 17,949

F1 · price: The transaction was executed in multiple trades at prices ranging from $52.3500 to $53.3100. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and pricesat which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust.Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000131 · wf-form4_154344710249527.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 37,054

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which thetransaction was effected.

F5 · price: The transaction as executed in multiple trades at prices ranging from $52.2500 to $52.5000. The price reported above reflects the weighted average sales price.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is thePresident of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000131 · wf-form4_154344710249527.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 61,574

F3 · price: The transaction as executed in multiple trades at prices ranging from $51.2000 to $51.6000. The price reported above reflects the weighted average sales price.

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which thetransaction was effected.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is thePresident of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000131 · wf-form4_154344710249527.xml · derivative · entry 6

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 100,000

Underlying: CLASS A COMMON STOCK · 72,574 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F8 · derivative.exercise_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F8 · derivative.expiration_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F9 · ownership.nature: Represents LLC Interests held by the Trust. Each Reporting Person disclaims beneficial ownership of such interests except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000131 · wf-form4_154344710249527.xml · nonDerivative · entry 4

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 100,000

F6 · price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, the shares of the Issuer's Class B Common Stock ("Class B Stock") are cancelled for no consideration on a one-to-one basisupon redemption of the LLC Interests for shares of Class A Stock of the Issuer.

F7 · ownership.nature: Represents shares of Class B Common Stock held by the Trust. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000131 · wf-form4_154344710249527.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 72,574

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F1 · price: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is thePresident of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000115 · wf-form4_153670422775156.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 0

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · price: The transaction was executed in multiple trades at prices ranging from $58.2500 to $59.1300. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000115 · wf-form4_153670422775156.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 7,059

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000115 · wf-form4_153670422775156.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 7,259

F1 · price: The transaction was executed in multiple trades at prices ranging from $58.0000 to $58.9700. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000111 · wf-form4_153611038068465.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 25,000

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000111 · wf-form4_153611038068465.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 50,000

F1 · price: The transaction was executed in multiple trades at prices ranging from $58.5000 to $59.4100. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000109 · wf-form4_153558224735412.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 75,000

F3 · price: The transaction as executed in multiple trades at prices ranging from $58.2500 to $58.8700. The price reported above reflects the weighted average sales price.

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000109 · wf-form4_153558224735412.xml · derivative · entry 5

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 172,574

Underlying: CLASS A COMMON STOCK · 100,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F7 · derivative.exercise_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F7 · derivative.expiration_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F8 · ownership.nature: Represents LLC Interests held by the Trust. Each Reporting Person disclaims beneficial ownership of such interests except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000109 · wf-form4_153558224735412.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 172,574

F5 · price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, the shares of the Issuer's Class B Common Stock ("Class B Stock") are cancelled for no consideration on a one-to-one basis upon redemption of the LLC Interests for shares of Class A Stock of the Issuer.

F6 · ownership.nature: Represents shares of Class B Common Stock held by the Trust. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000109 · wf-form4_153558224735412.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 100,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F1 · price: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000083 · wf-form4_152909466580883.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,078

F1 · shares: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") underlying restricted stock units acquired by the Reporting Person. On June 12, 2018, pursuant to the Issuer's 2015 Incentive Award Plan, as amended, and the Issuer's Non-Employee Director Compensation Policy, the Reporting Person was awarded restricted stock units that represent the right to receive Class A Stock of the Issuer. The restricted stock units representing the right to receive Class A Stock of the Issuer vest on June 12, 2019, subject to the Reporting Person's continued service with the Issuer.

F1 · price: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") underlying restricted stock units acquired by the Reporting Person. On June 12, 2018, pursuant to the Issuer's 2015 Incentive Award Plan, as amended, and the Issuer's Non-Employee Director Compensation Policy, the Reporting Person was awarded restricted stock units that represent the right to receive Class A Stock of the Issuer. The restricted stock units representing the right to receive Class A Stock of the Issuer vest on June 12, 2019, subject to the Reporting Person's continued service with the Issuer.

SEC source: 0001620533-18-000067 · wf-form4_152814748757494.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 0

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · price: The transaction was executed in multiple trades at prices ranging from $59.9500 to $60.3500. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000067 · wf-form4_152814748757494.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 20,400

F1 · price: The transaction was executed in multiple trades at prices ranging from $60.5000 to $60.9900. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000063 · wf-form4_152771932384957.xml · nonDerivative · entry 4

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 25,000

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000063 · wf-form4_152771932384957.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 50,000

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · price: The transaction as executed in multiple trades at prices ranging from $58.0000 to $58.6800. The price reported above reflects the weighted average sales price.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000063 · wf-form4_152771932384957.xml · derivative · entry 7

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 272,574

Underlying: CLASS A COMMON STOCK · 100,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F8 · derivative.exercise_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F8 · derivative.expiration_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F9 · ownership.nature: Represents LLC Interests held by the Trust. Each Reporting Person disclaims beneficial ownership of such interests except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000063 · wf-form4_152771932384957.xml · nonDerivative · entry 5

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 272,574

F6 · price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, the shares of the Issuer's Class B Common Stock ("Class B Stock") are cancelled for no consideration on a one-to-one basis upon redemption of the LLC Interests for shares of Class A Stock of the Issuer.

F7 · ownership.nature: Represents shares of Class B Common Stock held by the Trust. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000063 · wf-form4_152771932384957.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 75,000

F3 · price: The transaction as executed in multiple trades at prices ranging from $58.4000 to $58.5200. The price reported above reflects the weighted average sales price.

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000063 · wf-form4_152771932384957.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 100,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F1 · price: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000033 · wf-form4_152089279129202.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 0

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · price: The transaction was executed in multiple trades at prices ranging from $42.2500 to $42.5900. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000033 · wf-form4_152089279129202.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 25,000

F1 · price: The transaction was executed in multiple trades at prices ranging from $41.5000 to $41.6900. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000031 · wf-form4_152046176616889.xml · nonDerivative · entry 4

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 50,000

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · price: The transaction was executed in multiple trades at prices ranging from $41.2500 to $41.4400. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000031 · wf-form4_152046176616889.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 65,904

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · price: The transaction was executed in multiple trades at prices ranging from $41.0000 to $41.4300. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000031 · wf-form4_152046176616889.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 105,904

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · price: The transaction was executed in multiple trades at prices ranging from $40.4200 to $40.7900. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000031 · wf-form4_152046176616889.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 131,504

F1 · price: The transaction was executed in multiple trades at prices ranging from $39.4200 to $40.3800. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000026 · wf-form4_152029262944178.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 145,904

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · price: The transaction was executed in multiple trades at prices ranging from $39.0000 to $39.4100. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000026 · wf-form4_152029262944178.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 185,904

F1 · price: The transaction was executed in multiple trades at prices ranging from $39.0000 to $39.3000. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000022 · wf-form4_151985955945666.xml · nonDerivative · entry 3

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 208,624

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · price: The transaction as executed in multiple trades at prices ranging from $39.0500 to $39.4200. The price reported above reflects the weighted average sales price.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000022 · wf-form4_151985955945666.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 245,124

F3 · price: The transaction as executed in multiple trades at prices ranging from $39.2000 to $39.2700. The price reported above reflects the weighted average sales price.

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000022 · wf-form4_151985955945666.xml · derivative · entry 6

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 372,574

Underlying: CLASS A COMMON STOCK · 250,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F8 · derivative.exercise_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F8 · derivative.expiration_date: The LLC Interests are redeemable for an equal number of shares of the Issuer's Class A Common Stock or, at the election of the Issuer, cash equal to the volume-weighted average market price of such shares. The LLC Interests have no expiration date.

F9 · ownership.nature: Represents LLC Interests held by the Trust. Each Reporting Person disclaims beneficial ownership of such interests except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000022 · wf-form4_151985955945666.xml · nonDerivative · entry 4

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 372,574

F6 · price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, the shares of the Issuer's Class B Common Stock ("Class B Stock") are cancelled for no consideration on a one-to-one basis upon redemption of the LLC Interests for shares of Class A Stock of the Issuer.

F7 · ownership.nature: Represents shares of Class B Common Stock held by the Trust. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-18-000022 · wf-form4_151985955945666.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 250,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F1 · price: Represents shares of Class A Common Stock ("Class A Stock") of Shake Shack Inc. (the "Issuer") that were obtained upon a redemption of an equal number of common membership interests in SSE Holdings, LLC (the "LLC Interests").

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-17-000144 · wf-form4_150551242403864.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 0

F1 · price: The transaction was executed in multiple trades at prices ranging from $31.4500 to $31.6200. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-17-000142 · wf-form4_150542648642949.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 14,050

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected

F4 · price: The transaction was executed in multiple trades at prices ranging from $31.3500 to $31.6100. The price reported above reflects the weighted average sales price.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-17-000142 · wf-form4_150542648642949.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 34,050

F1 · price: The transaction was executed in multiple trades at prices ranging from $31.3500 to $31.4000. The price reported above reflects the weighted average sales price

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-17-000140 · wf-form4_150490447168446.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 53,669

F1 · price: The transaction was executed in multiple trades at prices ranging from $31.1500 to $31.2200. The price reported above reflects the weighted average sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by the Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001620533-17-000137 · wf-form4_150464977816466.xml · nonDerivative · entry 1

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 70,200

F1 · price: The transaction was executed in multiple trades at prices ranging from $30.9500 to $31.0900. The price reported above reflects the weighted averages sales price.

F2 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, Shake Shack Inc. (the "Issuer") or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Represents shares of Class A Common Stock ("Class A Stock") of the Issuer held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein

SEC source: 0001620533-17-000135 · wf-form4_150404366756517.xml · nonDerivative · entry 2

Flug Jeffrey · CIK 0001396917 · Director · 10% owner

Flug 2015 GS Trust U/A/D 12/29/15 · CIK 0001706704 · 10% owner

Gulf Five Fiduciary Management Corp · CIK 0001706756 · 10% owner

FLUG SHERYL H · CIK 0001633964 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · BY TRUST

Disclosed balance after: 95,200

F3 · price: The transaction as executed in multiple trades at prices ranging from $30.9500 to $31.0000. The price reported above reflects the weighted average sales price.

F4 · price: Each Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: Represents shares of Class A Stock held by Flug 2015 GS Trust U/A/D 12/29/15 (the "Trust"). Gulf Five Fiduciary Management Corp is the trustee of the Trust. Sheryl Flug, the wife of Jeffrey Flug, is the President of Gulf Five Fiduciary Management Corp. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.