Block, Inc. — Director's Dealing 2026

Apr 9, 2026

4/9/26, 2:29 PM

SEC FORM 4

SEC Form 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

FORM 4

Washington, D.C. 20549

Check this box if no longer subject to STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number: 3235-0287 Estimated average burden hours per response: 0.5

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b51(c). See Instruction 10.

1. Name and Address of Reporting Person[*]

2. Issuer Name and Ticker or Trading Symbol 5. Relationship of Reporting Person(s) to Issuer Block, Inc. [ XYZ ] (Check all applicable) Director 10% Owner Officer (give title Other (specify X below) below) 2a. Foreign Trading Symbol Ecosystem Lead

Grassadonia Brian

	(Last) (First) 1955 BROADWAY SUITE 600	(Last) (First) 1955 BROADWAY SUITE 600	(Last) (First) 1955 BROADWAY SUITE 600	(Middle)	(Middle)	2a. Foreign Trading Symbol			Ecosystem Lead
(Street)						3. Date of Earliest Transaction (Month/Day/Year) 04/07/2026	6. Individual or Joint/Group Filing (Check Applicable Line)
	OAKLAND	CALIFORNIA 94612						X	Form filed by One Reporting Person
									Form filed by More than One Reporting
									Person
	(City)	(State)		(Zip)
	UNITED STATES

1. If Amendment, Date of Original Filed (Month/Day/Year)

(Country)
		Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of	Security (Instr. 3)		2. Transaction		2A. Deemed		3.		4. Securities Acquired (A) or					5. Amount of		6. Ownership			7. Nature
			Date		Execution Date,		Transaction		Disposed		Of (D) (Instr. 3, 4 and			Securities		Form: Direct			of Indirect
			(Month/Day/Year)		if any		Code (Instr.		5)					Beneficially		(D) or			Beneficial
					(Month/Day/Year)		8)							Owned		Indirect (I)			Ownership
														Following		(Instr.		4)	(Instr. 4)
							Code	V	Amount		(A) or (D)	Price		Reported Transaction(s) (Instr. 3 and 4)
Class A Common Stock			04/07/2026				A		117,569 (1) (2) A			$ 0		618,332			D
		Table II - Derivative Securities Acquired, Disposed of,									or Beneficially			Owned
			(e.g., puts, calls, warrants,				options,		convertible securities)
1. Title of	2.	3. Transaction	3A. Deemed	4.		5.	6. Date Exercisable and				7. Title and		8. Price of		9. Number of		10.		11. Nature
Derivative	Conversion	Date	Execution Date,	Transaction		Number	Expiration Date				Amount of		Derivative		derivative		Ownership		of Indirect
Security	or Exercise	(Month/Day/Year)	if any	Code	(Instr.	of	(Month/Day/Year)				Securities		Security		Securities		Form:		Beneficial
(Instr. 3)	Price of		(Month/Day/Year)	8)		Derivative					Underlying		(Instr. 5)		Beneficially		Direct (D)		Ownership
	Derivative					Securities					Derivative				Owned		or Indirect		(Instr. 4)
	Security					Acquired					Security				Following		(I) (Instr. 4)
						(A) or					(Instr. 3 and 4)				Reported
						Disposed									Transaction(s)
						of (D)									(Instr.	4)
						(Instr. 3, 4
						and 5)
											Amount
											or
											Number
							Date		Expiration		of
				Code	V	(A) (D)	Exercisable		Date		Title Shares

Explanation of Responses:

1. Each share is represented by a restricted stock unit (RSU). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

2. 1/16th of the RSUs will vest on May 20, 2026 and each three months thereafter through February 20, 2030.

Remarks:

/s/ Susan Szotek, Attorney-in04/09/2026 Fact ** Signature of Reporting Person Date

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

https://www.sec.gov/Archives/edgar/data/1512673/000162828026024534/xslF345X06/wk-form4_1775769860.xml

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4/9/26, 2:29 PM

SEC FORM 4

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

*** Form 4: SEC 1474 (03-26)**

https://www.sec.gov/Archives/edgar/data/1512673/000162828026024534/xslF345X06/wk-form4_1775769860.xml

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