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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

Date of Report (Date of earliest event reported): November 6, 2025

Block, Inc.

(Exact name of registrant as specified in its charter)

Delaware |  | 001-37622 |  | 80-0429876
(State or other jurisdiction of incorporation) |  | (Commission File Number) |  | (IRS Employer Identification No.)

1955 Broadway, Suite 600
Oakland, CA 946121
(Address of principal executive offices, including zip code)

(415) 375-3176

(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 (see General Instruction A.2. below):

| ☐ | 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, $0.0000001 par value per share |  | XYZ |  | New 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 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ☐

1 | We have adopted a distributed work model and, therefore, have no formal headquarters. This address represents our “principal executive office,” which we are required to identify under Securities and Exchange Commission rules.

Item 2.02 | Results of Operations and Financial Condition.

On November 6, 2025, Block, Inc. (the “Company”) issued a Shareholder Letter (the “Letter”) announcing its financial results for the third quarter ended September 30, 2025. In the Letter, the Company also announced that it would be holding a conference call and earnings webcast on November 6, 2025 at 2:00 p.m. Pacific Time to discuss its financial results for the third quarter ended September 30, 2025. The Letter is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this “Report”).

The Company is making reference to non-GAAP financial information in both the Letter and the conference call. A reconciliation of these non-GAAP financial measures to their nearest GAAP equivalents is provided in the Letter.

The information furnished pursuant to Item 2.02 on this Report, including Exhibit 99.1 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any other filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01 | Financial Statements and Exhibits.

(d) Exhibits

Exhibit No. |  | Description
99.1 |  | Shareholder Letter, dated November 6, 2025.
104 |  | Cover Page Interactive Data File, formatted in inline XBRL.

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.

|  |  |  | BLOCK, INC.
Date: November 6, 2025 |  |  |  | By: |  | /s/ Chrysty Esperanza
|  |  |  |  |  | Chrysty Esperanza Chief Legal Officer and Corporate Secretary