Block, Inc. — Director's Dealing 2025

May 27, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

Form 144 Filer Information

Form 144

Form 144

NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

144: Issuer Information

Name of Issuer BLOCK, INC. SEC File Number 001-37622 Address of Issuer 1955 Broadway, Suite 600 Oakland CALIFORNIA 94612 Phone 415-375-3176 Name of Person for Whose Account the DHANANJAY PRASANNA Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer 1. Officer

144: Securities Information

Record	Title of the Class ofSecurities To Be Sold	Name and Address of theBroker	Number ofShares or OtherUnits To Be Sold	AggregateMarket Value	Number ofShares or OtherUnitsOutstanding	ApproximateDate of Sale	Name theSecuritiesExchange
		Morgan Stanley Smith
		Barney LLC Executive
		Financial Services
#1	Common	1 New York Plaza8th Floor	11,318	$695,061.02	615,623,166	05/27/2025	NYSE
		New York
		NEW YORK
		10004

144: Securities To Be Sold

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

					Is
Record	Title of the Class	Date youAcquired	Nature ofAcquisitionTransaction	Name of Personfrom WhomAcquired	thisaGift	DateDonorAcquired	Amount ofSecuritiesAcquired	Date ofPayment	Nature of**Payment ***
					?
#1	Common	05/20/2025	Restricted Stock	ISSUER	☐	—	5,659	05/20/2025	Not Applicable

02/20/2025

Restricted Stock

02/20/2025 Not Applicable

#2

Common

ISSUER

5,659

☐

—

***** If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

144: Securities Sold During The Past 3 Months

Nothing to Report ☒

144: Remarks and Signature

Remarks Date of Notice 05/27/2025 Date of Plan Adoption or Giving of 1. 02/25/2025 Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature /s/ Dhananjay Prasanna

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)