Block, Inc. — Director's Dealing 2026

Apr 6, 2026

sec.gov/Archives/edgar/data/1512673/000195004726003238/xsl144X01/primary_doc.xml

4/6/26, 1:37 PM

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? 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 BRIAN GRASSADONIA 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	Name and Address	Number of	Aggregate	Number of	ApproximateName the
	Securities To Be Sold	of the Broker	Shares or	Market	Shares or	Date of	Securities
			Other	Value	Other	Sale	Exchange
			Units To		Units
			Be Sold		Outstanding
	Common	Morgan Stanley	1769	106582.25	5391030	04/06/	NYSE
		Smith Barney LLC			00	2026
		Executive Financial
		Services
		1 New York Plaza
		8th Floor
		New York NY
		10004

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	Date	Nature of	Name of	Is	Date	Amount of	Date of	Nature of
	Class	you	Acquisition	Person from	this	Donor	Securities	PaymentPayment*****
		AcquiredTransaction		Whom	a	AcquiredAcquired
				Acquired	Gift?
	Common	04/01/	Restricted	ISSUER			1769	04/01/	Not Applicable
		2026	Stock					2026

***** 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 ofSale	Amount ofSecuritiesSold	GrossProceeds
BRIAN GRASSADONIA1955 Broadway, Suite 600Oakland CA 94612	Common	02/24/2026	10349	517486.22

144: Remarks and Signature

Remarks

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Date of Notice 04/06/2026 Date of Plan Adoption or Giving of 06/02/2025 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/ Brian Peter Grassadonia

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

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