Sec Form 4 Filing - BOTHA ROELOF @ Block, Inc. - 2024-08-06

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person BOTHA ROELOF 2. Issuer Name and Ticker or Trading Symbol Block, Inc. [ SQ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD, SUITE 101 3. Date of Earliest Transaction (MM/DD/YY) 08/06/2024 (Street) MENLO PARK, CA94025 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Shares 08/06/2024 P 121,266 A $ 56.8591 ( 1 ) 121,266 I SC US/E Expansion Fund I Management, L.P. ( 3 ) Class A Common Shares 08/06/2024 P 313,139 A $ 57.8226 ( 2 ) 434,405 I SC US/E Expansion Fund I Management, L.P. ( 3 ) Class A Common Stock 1,862 I Sequoia Capital U.S. Growth Fund IV, L.P. ( 4 ) Class A Common Stock 77 I Sequoia Capital USGF Principals Fund IV, L.P. ( 4 ) Class A Common Stock 11,388 I Sequoia Capital U.S. Venture Fund XV, L.P. ( 5 ) Class A Common Stock 479 I Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P. ( 5 ) Class A Common Stock 171 I Sequoia Capital U.S. Venture Partners Fund XV, L.P. ( 5 ) Class A Common Stock 1,750 I Sequoia Capital U.S. Venture XV Principals Fund, L.P. ( 5 ) Class A Common Stock 540,646 I Sequoia Capital US/E Expansion Fund I, L.P. ( 3 ) Class A Common Stock 684,741 I By estate planning vehicle Class A Common Stock 29,764 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BOTHA ROELOF C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD SUITE 101 MENLO PARK, CA94025 X Signatures /s/ Jung Yeon Son, by power of attorney for Roelof Botha 08/08/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $56.2500 to $57.2400. The Reporting Person undertakes to provide the issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares purchased at each separate price within the ranges set forth above. ( 2 )The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $57.2500 to $58.0000. The Reporting Person undertakes to provide the issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares purchased at each separate price within the ranges set forth above. ( 3 )The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC US/E Expansion Fund I Management, L.P., which is the general partner of Sequoia Capital US/E Expansion Fund I, L.P., or collectively, the SC EXPI Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC EXPI Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 4 )The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 5 )The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P. and Sequoia Capital U.S. Venture XV Principals Fund, L.P., or collectively, the SC USV XV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC USV XV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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