Block, Inc. — Director's Dealing 2025

May 22, 2025

5/22/25, 1:58 PM

sec.gov/Archives/edgar/data/1512673/000195004725003345/xsl144X01/primary_doc.xml

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 0002047775 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

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 OWEN B JENNINGS

Name of Person for Whose Account the 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 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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	3580	200193.60	6156231 66	05/22/ 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*
Common	05/20/ 2025	Restricted Stock	Issuer			3580	05/20/ 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
OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612	Common	05/21/ 2025	10472	590512.94
OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612	Common	05/21/ 2025	788	44711.12
OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612	Common	05/21/ 2025	296	16795.04

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OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 04/02/ 2025 1263 OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 02/24/ 2025 5437 5/22/25, 1:58 PM sec.gov/Archives/edgar/data/1512673/000195004725003345/xsl144X01/primary_doc.xml	OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 04/02/ 2025 1263 OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 02/24/ 2025 5437 5/22/25, 1:58 PM sec.gov/Archives/edgar/data/1512673/000195004725003345/xsl144X01/primary_doc.xml	OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 04/02/ 2025 1263 OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 02/24/ 2025 5437 5/22/25, 1:58 PM sec.gov/Archives/edgar/data/1512673/000195004725003345/xsl144X01/primary_doc.xml	OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 04/02/ 2025 1263 OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 02/24/ 2025 5437 5/22/25, 1:58 PM sec.gov/Archives/edgar/data/1512673/000195004725003345/xsl144X01/primary_doc.xml	OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 04/02/ 2025 1263 OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612 Common 02/24/ 2025 5437 5/22/25, 1:58 PM sec.gov/Archives/edgar/data/1512673/000195004725003345/xsl144X01/primary_doc.xml	70968.60
	OWEN B JENNINGS 1955 Broadway, Suite 600 Oakland CA 94612	Common	02/24/ 2025	5437	369770.37

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

05/22/2025 08/05/2024

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/ Owen Britton Jennings

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

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