[Form 4] Block, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Block, Inc. (XYZ) officer Brian Grassadonia sold 9,760 shares of Class A common stock on 09/02/2025 at $76.24 per share, reducing his beneficial holdings to 574,062 shares. The Form 4 states the sale was executed under a Rule 10b5-1 trading plan adopted June 2, 2025. The filing is signed by an attorney-in-fact on behalf of the reporting person on 09/04/2025. The disclosure reports this single non-derivative sale and shows the reporting person remains a large beneficial holder following the transaction.

Positive

• Sale executed under a Rule 10b5-1 trading plan, which documents pre-established trading instructions and can mitigate insider trading concerns.
• Complete disclosure of transaction details: date (09/02/2025), price ($76.24), and post-transaction holdings (574,062 shares).
• Filing signed by attorney-in-fact, showing authorized execution of the Form 4.

Negative

• Insider disposition of 9,760 shares may be viewed unfavorably by some investors despite being under a trading plan.
• No information provided on prior holdings explicitly listed on the form, requiring readers to infer the size of the reduction from numbers shown.

Insights

Securities Analyst

TL;DR: Officer sale of 9,760 shares executed under a 10b5-1 plan; transaction is transparent but is a noteworthy insider disposition.

The reported sale is a straightforward disclosure of an insider disposition executed pursuant to a pre-established Rule 10b5-1 trading plan adopted June 2, 2025. The filing provides clear transaction date (09/02/2025), price ($76.24) and post-transaction beneficial ownership (574,062 shares), which supports market transparency and compliance with Section 16 reporting obligations. From a securities-compliance perspective, use of a documented 10b5-1 plan reduces legal risk for the officer. The filing does not include any derivative transactions or further changes in ownership beyond this sale.

Corporate Governance Expert

TL;DR: Governance disclosure is complete and indicates the sale was made under an established trading plan, aligning with best practices.

The Form 4 clearly identifies the reporting person as an officer (Ecosystem Lead) and discloses the sale mechanics and signature via attorney-in-fact. The statement that the sale was effected under a Rule 10b5-1 plan (adopted June 2, 2025) is important for governance review because it documents pre-approval and helps demonstrate that the transaction was not based on undisclosed material information. No amendments or additional beneficial ownership changes are reported in this filing.

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)
09/02/2025

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	09/02/2025		S(1)		9,760	D	$76.24	574,062	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. 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	09/04/2025
	** 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 Brian Grassadonia report on the Form 4 for XYZ?

He reported a sale of 9,760 shares of Class A common stock on 09/02/2025 at $76.24 per share, leaving him with 574,062 shares beneficially owned.

Was the sale by the officer part of a trading plan for XYZ?

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

Does the Form 4 show any derivative transactions for the reporting person at XYZ?

No. Table II for derivative securities shows no entries; the filing only reports a non-derivative sale of Class A common stock.

Who signed the Form 4 for the reporting person and when?

The Form 4 was signed by Susan Szotek, Attorney-in-Fact on 09/04/2025.

What is the reporting person’s role at XYZ as disclosed on the form?

The form identifies the reporting person as an Officer with the title Ecosystem Lead.