SHAK

shak-202602260001620533false00016205332026-02-262026-02-26

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 February 26, 2026 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On February 26, 2026, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal fourth quarter and fiscal year ended December 31, 2025. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On February 26, 2026, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal fourth quarter and fiscal year ended December 31, 2025 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated February 26, 2026 announcing financial results for the fiscal fourth quarter and fiscal year ended December 31, 2025. (furnished only)

99.2 Shareholder letter dated February 26, 2026. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Peter Herpich Peter Herpich Date: February 26, 2026 SVP, Corporate Controller

shak-202601120001620533false00016205332026-01-122026-01-12

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 January 12, 2026 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On January 12, 2026, Shake Shack Inc. (the “Company”) issued a press release announcing its preliminary unaudited results for the fiscal fourth quarter and fiscal year ended December 31, 2025.

The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act"), except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On January 12, 2026, the Company issued a press release as referred to in Item 2.02 above. The Company will present its preliminary unaudited results for the fiscal fourth quarter and fiscal year ended December 31, 2025 at the 28th Annual ICR Conference on January 12, 2026. All interested parties may listen to a simultaneous webcast of the presentation, which will be accessible from the Company’s investor relations website at investor.shakeshack.com. The presentation will begin at 8:30 a.m. ET.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Shake Shack Inc. press release dated January 12, 2026

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Alison Sternberg Alison Sternberg Date: January 12, 2026 Head of Investor Relations

shak-202510300001620533false00016205332025-10-302025-10-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 October 30, 2025 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On October 30, 2025, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal third quarter ended September 24, 2025. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On October 30, 2025, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal third quarter ended September 24, 2025 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated October 30, 2025 announcing financial results for the fiscal third quarter ended September 24, 2025. (furnished only)

99.2 Shareholder letter dated October 30, 2025. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: October 30, 2025 Chief Financial Officer

shak-202507310001620533false00016205332025-07-312025-07-31

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 July 31, 2025 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On July 31, 2025, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal second quarter ended June 25, 2025. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On July 31, 2025, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal second quarter ended June 25, 2025 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated July 31, 2025 announcing financial results for the fiscal second quarter ended June 25, 2025. (furnished only)

99.2 Shareholder letter dated July 31, 2025. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: July 31, 2025 Chief Financial Officer

shak-202505010001620533false00016205332025-05-012025-05-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 1, 2025 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On May 1, 2025, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal first quarter ended March 26, 2025. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On May 1, 2025, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal first quarter ended March 26, 2025 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated May 1, 2025 announcing financial results for the fiscal first quarter ended March 26, 2025. (furnished only)

99.2 Shareholder letter dated May 1, 2025. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: May 1, 2025 Chief Financial Officer

shak-202502200001620533false00016205332025-02-202025-02-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 February 20, 2025 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On February 20, 2025, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal fourth quarter and fiscal year ended December 25, 2024. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On February 20, 2025, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal fourth quarter and fiscal year ended December 25, 2024 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated February 20, 2025 announcing financial results for the fiscal fourth quarter and fiscal year ended December 25, 2024. (furnished only)

99.2 Shareholder letter dated February 20, 2025. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: February 20, 2025 Chief Financial Officer

shak-202501130001620533false00016205332025-01-132025-01-13

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 January 13, 2025 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On January 13, 2025, Shake Shack Inc. (the “Company”) issued a press release announcing its preliminary unaudited results for the fiscal fourth quarter and fiscal year ended December 25, 2024.

The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act"), except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On January 13, 2025, the Company issued a press release as referred to in Item 2.02 above. The Company also provided supplemental financial information for the fiscal fourth quarter and fiscal year ended December 25, 2024 on its website at investor.shakeshack.com. The supplemental financial information is furnished as Exhibit 99.2 to this Current Report on Form 8-K and it and the press release referred to in Item 2.02 above shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act, or incorporated by reference in any filing under the Securities Act, except as shall be expressly set forth by specific reference in such a filing.

The Company will present its preliminary unaudited results for the fiscal fourth quarter and fiscal year ended December 25, 2024 at the 27th Annual ICR Conference on January 13, 2025. All interested parties may listen to a simultaneous webcast of the presentation, which will be accessible from the Company’s investor relations website at investor.shakeshack.com. The presentation will begin at 9:00 a.m. ET.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Shake Shack Inc. press release dated January 13, 2025

99.2 Supplemental Financial Information dated January 13, 2025

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: January 13, 2025 Chief Financial Officer

shak-202410300001620533false00016205332024-10-302024-10-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 October 30, 2024 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On October 30, 2024, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal third quarter ended September 25, 2024. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On October 30, 2024, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal third quarter ended September 25, 2024 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated October 30, 2024 announcing financial results for the fiscal third quarter ended September 25, 2024. (furnished only)

99.2 Shareholder letter dated October 30, 2024. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: October 30, 2024 Chief Financial Officer

shak-202408010001620533false00016205332024-08-012024-08-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 August 1, 2024 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On August 1, 2024, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal second quarter ended June 26, 2024. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On August 1, 2024, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal second quarter ended June 26, 2024 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated August 1, 2024 announcing financial results for the fiscal second quarter ended June 26, 2024. (furnished only)

99.2 Shareholder letter dated August 1, 2024. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: August 1, 2024 Chief Financial Officer

shak-202405020001620533false00016205332024-05-022024-05-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 2, 2024 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On May 2, 2024, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal first quarter ended March 27, 2024. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On May 2, 2024, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal first quarter ended March 27, 2024 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated May 2, 2024 announcing financial results for the fiscal first quarter ended March 27, 2024. (furnished only)

99.2 Shareholder letter dated May 2, 2024. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: May 2, 2024 Chief Financial Officer

shak-202402150001620533false00016205332024-02-152024-02-15

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 February 15, 2024 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On February 15, 2024, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal fourth quarter and fiscal year ended December 27, 2023. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On February 15, 2024, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal fourth quarter and fiscal year ended December 27, 2023 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated February 15, 2024 announcing financial results for the fiscal fourth quarter and fiscal year ended December 27, 2023. (furnished only)

99.2 Shareholder letter dated February 15, 2024. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: February 15, 2024 Chief Financial Officer

shak-202311020001620533false00016205332023-11-022023-11-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 November 2, 2023 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On November 2, 2023, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal third quarter ended September 27, 2023. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On November 2, 2023, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal third quarter ended September 27, 2023 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated November 2, 2023 announcing financial results for the fiscal third quarter ended September 27, 2023. (furnished only)

99.2 Shareholder letter dated November 2, 2023. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: November 2, 2023 Chief Financial Officer

shak-202308030001620533false00016205332023-08-032023-08-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 August 3, 2023 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On August 3, 2023, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal second quarter ended June 28, 2023. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On August 3, 2023, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal second quarter ended June 28, 2023 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated August 3, 2023 announcing financial results for the fiscal second quarter ended June 28, 2023. (furnished only)

99.2 Shareholder letter dated August 3, 2023. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: August 3, 2023 Chief Financial Officer

shak-202305040001620533false00016205332023-05-042023-05-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 4, 2023 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On May 4, 2023, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal first quarter ended March 29, 2023. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On May 4, 2023, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal first quarter ended March 29, 2023 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated May 4, 2023 announcing financial results for the fiscal first quarter ended March 29, 2023. (furnished only)

99.2 Shareholder letter dated May 4, 2023. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: May 4, 2023 Chief Financial Officer

shak-202302160001620533false00016205332023-02-162023-02-16

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 February 16, 2023 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On February 16, 2023, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal fourth quarter and fiscal year ended December 28, 2022. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On February 16, 2023, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal fourth quarter and fiscal year ended December 28, 2022 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated February 16, 2023 announcing financial results for the fiscal fourth quarter and fiscal year ended December 28, 2022. (furnished only)

99.2 Shareholder letter dated February 16, 2023. (furnished only)

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: February 16, 2023 Chief Financial Officer

shak-202301100001620533false00016205332023-01-102023-01-10

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 January 10, 2023 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On January 10, 2023, Shake Shack Inc. (the “Company”) issued a press release announcing its preliminary unaudited results for the fiscal fourth quarter and fiscal year ended December 28, 2022.

The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act"), except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On January 10, 2023, the Company issued a press release as referred to in Item 2.02 above. The Company also provided supplemental financial information for the fiscal fourth quarter and fiscal year ended December 28, 2022 on its website at investor.shakeshack.com. The supplemental financial information is furnished as Exhibit 99.2 to this Current Report on Form 8-K and it and the press release referred to in Item 2.02 above shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act, or incorporated by reference in any filing under the Securities Act, except as shall be expressly set forth by specific reference in such a filing.

The Company will present its preliminary unaudited results for the fiscal fourth quarter and fiscal year ended December 28, 2022 at the 25th Annual ICR Conference on January 10, 2023. All interested parties may listen to a simultaneous webcast of the presentation, which will be accessible from the Company’s investor relations website at investor.shakeshack.com. The presentation will begin at 9:00 a.m. ET.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Shake Shack Inc. press release dated January 10, 2023

99.2 Supplemental Financial Information dated January 10, 2023

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By:/s/ Katherine I. Fogertey Katherine I. Fogertey Date: January 10, 2023 Chief Financial Officer

shak-202211030001620533false00016205332022-11-032022-11-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 November 3, 2022 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On November 3, 2022, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal third quarter ended September 28, 2022. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On November 3, 2022, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal third quarter ended September 28, 2022 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated November 3, 2022 announcing financial results for the fiscal third quarter ended September 28, 2022. (furnished only)

99.2 Shareholder letter dated November 3, 2022. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: November 3, 2022 Chief Financial Officer

shak-202208040001620533false00016205332022-08-042022-08-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 August 4, 2022 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On August 4, 2022, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal second quarter ended June 29, 2022. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On August 4, 2022, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal second quarter ended June 29, 2022 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated August 4, 2022 announcing financial results for the fiscal second quarter ended June 29, 2022. (furnished only)

99.2 Shareholder letter dated August 4, 2022. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: August 4, 2022 Chief Financial Officer

shak-202205050001620533false00016205332022-05-052022-05-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 5, 2022 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Securities registered pursuant to Section 12(b) of the Act

Item 2.02 Results of Operations and Financial Condition. On May 5, 2022, Shake Shack Inc. (the “Company”) issued a press release and shareholder letter announcing its financial results for the fiscal first quarter ended March 30, 2022. The full text of the press release and shareholder letter are furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On May 5, 2022, in addition to issuing a press release, the Company issued a shareholder letter for its fiscal first quarter ended March 30, 2022 on its website at investor.shakeshack.com. The shareholder letter is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Press release dated May 5, 2022 announcing financial results for the fiscal first quarter ended March 30, 2022. (furnished only)

99.2 Shareholder letter dated May 5, 2022. (furnished only)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: May 5, 2022 Chief Financial Officer

shak-202202170001620533false00016205332022-02-172022-02-17

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 February 17, 2022 Date of Report (Date of earliest event reported)

SHAKE SHACK INC.

(Exact name of registrant as specified in its charter)

Delaware001-3682347-1941186 (State or other jurisdiction of incorporation or organization)(Commission File Number)(IRS Employer Identification No.)

225 Varick Street Suite 301 New York,New York10014 (Address of principal executive offices)(Zip Code)

(646) 747-7200 (Registrant's telephone number, including area code) Not applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class Trading symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.001SHAKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Securities registered pursuant to Section 12(b) of the Act

Item 2.02 Results of Operations and Financial Condition. On February 17, 2022, Shake Shack Inc. (the “Company”) issued a press release announcing its financial results for the fiscal fourth quarter and fiscal year ended December 29, 2021.

The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01 Regulation FD Disclosure. On February 17, 2022, the Company provided supplemental financial information to be used in its earnings presentation for the fiscal fourth quarter and fiscal year ended December 29, 2021 on its website at investor.shakeshack.com.  The supplemental financial information is furnished as Exhibit 99.2 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits. (d)    Exhibits.

Exhibit NumberExhibit Description 99.1 Shake Shack Inc. press release dated February 17, 2022 announcing its financial results for the fiscal fourth quarter and fiscal year ended December 29, 2021. (furnished only)

99.2 Supplemental Financial Information dated February 17, 2022 provided by Shake Shack Inc. (furnished only)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Shake Shack Inc.

(Registrant)

By: /s/ Katherine I. Fogertey Katherine I. Fogertey Date: February 17, 2022 Chief Financial Officer

EXHIBIT INDEX

Exhibit NumberExhibit Description 99.1Shake Shack Inc. press release dated February 17, 2022 announcing its financial results for the fiscal fourth quarter and fiscal year ended December 29, 2021. (furnished only)

99.2Supplemental Financial Information dated February 17, 2022 provided by Shake Shack Inc. (furnished only)

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