[Form 4] Block, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Block, Inc. (XYZ) officer and Ecosystem Lead reported recent trades in Class A common stock. On 11/14/2025, the insider acquired 1 share at $48.46 under the company’s Employee Stock Purchase Plan, bringing holdings to 535,897 shares. On 11/21/2025, 6,460 shares were sold at $61.4 to cover income tax withholding related to restricted stock unit vesting, leaving 529,437 shares.

On 11/24/2025, additional sales were made under a Rule 10b5-1 trading plan adopted on June 2, 2025: 6,263 shares at a weighted average price of $61.83 (within a range of $61.23–$62.20) and 1,822 shares at a weighted average price of $62.41 (within a range of $62.24–$62.60). After these transactions, the insider directly owned 521,352 shares of Block, Inc. Class A common stock.

Insider Trade Summary

Net Seller: 14,545 shares ($897,596)

Net Sell 4 txns

Insider Grassadonia Brian

Role Ecosystem Lead

Sold 14,545 shs ($898K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	6,263	$61.83	$387K
Sale	Class A Common Stock	1,822	$62.41	$114K
Sale	Class A Common Stock	6,460	$61.40	$397K
Grant/Award	Class A Common Stock	1	$48.46	$48.46

Holdings After Transaction: Class A Common Stock — 523,174 shares (Direct)

Footnotes (1)

1. These shares were acquired under the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c). Represents the number of shares automatically sold to satisfy the Issuer's income tax withholding and remittance obligations in connection with the vesting of restricted stock units. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 2, 2025. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $61.23 to $62.20 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $62.24 to $62.60 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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 if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

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 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Grassadonia Brian

(Last) (First) (Middle)

1955 BROADWAY

SUITE 600

(Street)

OAKLAND CA 94612

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Block, Inc. [ XYZ ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Ecosystem Lead

3. Date of Earliest Transaction (Month/Day/Year)
11/21/2025

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

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	11/14/2025		A	V	1(1)	A	$48.46	535,897	D
Class A Common Stock	11/21/2025		S		6,460(2)	D	$61.4	529,437	D
Class A Common Stock	11/24/2025		S(3)		6,263	D	$61.83(4)	523,174	D
Class A Common Stock	11/24/2025		S(3)		1,822	D	$62.41(5)	521,352	D

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

Explanation of Responses:

1. These shares were acquired under the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

2. Represents the number of shares automatically sold to satisfy the Issuer's income tax withholding and remittance obligations in connection with the vesting of restricted stock units.

3. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 2, 2025.

4. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $61.23 to $62.20 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

5. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $62.24 to $62.60 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

	/s/ Susan Szotek, Attorney-in-Fact	11/25/2025
	** 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.
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.

FAQ

What insider transaction did Block, Inc. (XYZ) report in this Form 4?

The filing shows a Block, Inc. officer and Ecosystem Lead acquired 1 share under the Employee Stock Purchase Plan and sold several blocks of Class A common stock in November 2025, ending with 521,352 shares directly owned.

How many Block, Inc. (XYZ) shares did the insider sell in November 2025?

The insider sold 6,460 shares on 11/21/2025, then 6,263 shares and 1,822 shares on 11/24/2025, all in Block, Inc. Class A common stock.

How many Block, Inc. (XYZ) shares does the reporting person hold after these trades?

After the reported November 2025 transactions, the officer directly beneficially owned 521,352 shares of Block, Inc. Class A common stock.

Were any of the Block, Inc. (XYZ) insider sales related to tax withholding?

Yes. The filing states that the 6,460 shares sold on 11/21/2025 represent shares automatically sold to satisfy Block, Inc.’s income tax withholding and remittance obligations tied to restricted stock unit vesting.

Were the Block, Inc. (XYZ) insider trades made under a Rule 10b5-1 plan?

The filing notes that the sales on 11/24/2025 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 2, 2025.

At what prices were the Block, Inc. (XYZ) insider’s November 2025 trades executed?

The insider acquired 1 share at $48.46 on 11/14/2025, sold 6,460 shares at $61.4 on 11/21/2025, and on 11/24/2025 sold 6,263 shares at a weighted average of $61.83 and 1,822 shares at a weighted average of $62.41, within the price ranges disclosed.