Was Brian Grassadonia’s Block (XYZ) share sale under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the sale was effected under a Rule 10b5-1 trading plan. That plan was adopted on June 2, 2025, meaning the transaction was pre-scheduled rather than timed spontaneously by the insider.

Block executive sells 43,348 shares under plan

Block, Inc. executive Brian Grassadonia, who serves as Ecosystem Lead, reported an open-market sale of Class A common stock.

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Form Type

Rhea-AI Filing Summary

Block, Inc. executive Brian Grassadonia, who serves as Ecosystem Lead, reported an open-market sale of Class A common stock. He sold 43,348 shares at $80.00 per share on July 2, 2026, and held 557,654 shares afterward. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on June 2, 2025, indicating the sale was scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 43,348 shares

Net Sell 1 txn

Insider Grassadonia Brian

Role Ecosystem Lead

Sold 43,348 shs ($3.47M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	43,348	$80.00	$3.47M

Holdings After Transaction: Class A Common Stock — 557,654 shares (Direct)

Footnotes (1)

F1. The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on June 2, 2025.

Key Figures

Shares sold: 43,348 shares Sale price: $80.00 per share Shares held after transaction: 557,654 shares +1 more

4 metrics

Shares sold 43,348 shares Open-market sale on July 2, 2026

Sale price $80.00 per share Class A Common Stock transaction

Shares held after transaction 557,654 shares Post-sale direct ownership

Net shares sold 43,348 shares Net-buy/sell direction reported as net-sell

Key Terms

Rule 10b5-1 trading plan, open-market sale, Class A Common Stock

3 terms

Rule 10b5-1 trading plan regulatory

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

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Class A Common Stock financial

"security_title: Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Block (XYZ) report for Brian Grassadonia?

Block reported that Ecosystem Lead Brian Grassadonia sold 43,348 shares of Class A Common Stock. The sale occurred in the open market on July 2, 2026 at a price of $80.00 per share, as shown in the Form 4 filing.

At what price did Brian Grassadonia sell Block (XYZ) shares?

Brian Grassadonia sold his Block shares at $80.00 per share. This price applied to 43,348 shares of Class A Common Stock in an open-market transaction reported in the Form 4 filed for July 2, 2026.

How many Block (XYZ) shares does Brian Grassadonia hold after the sale?

After the reported sale, Brian Grassadonia holds 557,654 shares of Block Class A Common Stock. This post-transaction ownership figure reflects his direct holdings following the July 2, 2026 open-market sale disclosed in the Form 4.

What role does Brian Grassadonia hold at Block (XYZ)?

Brian Grassadonia is identified as an officer of Block with the title Ecosystem Lead. This officer role is disclosed in the Form 4 reporting his July 2, 2026 open-market sale of Class A Common Stock.

Was the Block (XYZ) insider transaction a buy or a sell?

The transaction was a sell. The Form 4 uses transaction code “S” and describes it as an open-market sale of 43,348 shares of Block’s Class A Common Stock at $80.00 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 07/07/2026 - 05:02 PM EDT

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).

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

CALIFORNIA

94612

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/02/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	07/02/2026		S⁽¹⁾		43,348	D	$80	557,654	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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	07/07/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR