Block, Inc. — Director's Dealing 2025

Aug 24, 2025

8/22/25, 2:55 PM

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UNITED STATES Form 144 Filer SECURITIES AND EXCHANGE COMMISSION Information Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES FORM 144 PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

144: Filer Information

Filer CIK 0001803649 Filer CCC XXXXXXXX

Is this a LIVE or TEST Filing?

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LIVE TEST

Submission Contact Information

Name

Phone

E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

Block, Inc. 001-37622 1955 Broadway Suite 600 Oakland CALIFORNIA 94612 503-704-8745 Brian Grassadonia

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 Officer

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144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstandin	g Approxi Date of Sale	mate Name the Securities Exchange
Class A Common Stock	Morgan Stanley Smith Barney LLC Executive Services 200 W Civic Center Drive 4th Floor Sandy UT 84070	6465	473253.06	5495740 00	08/21/ 2025	NYSE

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:

144: Securities To Be Sold

Title of the Class	Date you Acquire	d Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift	? Date Donor Acquire	d Amount of Securities Acquired	Date of Paymen	t Nature of Payment*
Class A Common Stock	08/20/ 2025	Restricted Stock	Issuer			6465	08/20/ 2025	Not Applicable

* 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.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Brian Grassadonia 1955 Broadway Suite 600 Oakland CA 94612	Class A Common Stock	07/02/ 2025	1342	92947.32

144: Remarks and Signature

Remarks

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Date of Notice

08/22/2025

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

Brian Grassadonia

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

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