[Form 4] Block, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Block, Inc. (BSQKZ) officer Brian Grassadonia reported two sales of Class A common stock on 10/02/2025 and 10/03/2025. The first sale of 1,342 shares at $74.77 was an automatic disposition to satisfy income tax withholding tied to restricted stock unit vesting. The second sale of 1,679 shares at $76.69 was executed under a pre-existing Rule 10b5-1 trading plan adopted on 06/02/2025. After these transactions the reporting person beneficially owned 571,041 shares of Class A common stock.

Positive

• Use of a Rule 10b5-1 trading plan for the October 3, 2025 sale indicates the trade was prearranged and follows recognized compliance practices
• Tax-withholding sale of 1,342 shares was automatic on RSU vesting, a routine administrative action rather than an opportunistic liquidation

Negative

• Insider sold 3,021 shares in total, which reduces the reporting person's direct holdings from the prior level to 571,041 shares
• Sales priced between $74.77 and $76.69 indicate recent insider liquidity at those price levels

Insights

Corporate Governance Analyst

TL;DR: Two routine insider sales occurred—one for tax withholding, one under a 10b5-1 plan.

The first sale of 1,342 shares at $74.77 is explicitly described as an automatic disposition to cover income tax withholding from RSU vesting, a common administrative step that does not necessarily indicate a change in view on company prospects.

The second sale of 1,679 shares at $76.69 was executed pursuant to a pre-established Rule 10b5-1 trading plan adopted on 06/02/2025, which provides an affirmative defense under trading rules when properly structured. Monitor filings for additional plan details if further pattern analysis is required within the next 6–12 months.

Equity Trading Analyst

TL;DR: Insider disposed of a total of 3,021 shares across two trades, reducing direct holdings to 571,041 shares.

The combined disposals total 3,021 shares sold at reported prices of $74.77 and $76.69, and the filing lists 571,041 shares beneficially owned after the transactions. These are small relative moves for a typical public company insider position and are executed via standard mechanisms (withholding and 10b5-1).

Short-term market impact is likely limited given the modest share counts disclosed; investors seeking to quantify trading flow should compare these volumes to average daily volume over the ensuing weeks.

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)
10/02/2025

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	10/02/2025		S		1,342(1)	D	$74.77	572,720	D
Class A Common Stock	10/03/2025		S(2)		1,679	D	$76.69	571,041	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. 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.

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

Remarks:

	/s/ Susan Szotek, Attorney-in-Fact	10/06/2025
	** 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 did the Form 4 filed for BSQKZ report?

It reported two sales by officer Brian Grassadonia: 1,342 shares sold at $74.77 on 10/02/2025 and 1,679 shares sold at $76.69 on 10/03/2025.

Why were 1,342 shares sold on 10/02/2025 for BSQKZ?

Those 1,342 shares were automatically sold to satisfy the issuer's income tax withholding and remittance obligations related to restricted stock unit vesting.

Was any sale executed under a 10b5-1 plan for BSQKZ?

Yes. The sale of 1,679 shares on 10/03/2025 was effected pursuant to a Rule 10b5-1 trading plan adopted on 06/02/2025.

How many shares did the reporting person own after the transactions?

The filing shows the reporting person beneficially owned 571,041 shares of Class A common stock after the reported transactions.

Do these transactions indicate unusual insider activity for BSQKZ?

The filing describes routine mechanisms—tax-withholding on RSU vesting and a pre-established 10b5-1 plan—so they are presented as standard insider activity rather than an extraordinary event.