Block, Inc. (XYZ) Ecosystem Lead sells 1,769 shares under 10b5-1 plan

Rhea-AI Filing Summary

Block, Inc. Ecosystem Lead Brian Grassadonia reported an open-market sale of 1,769 shares of Class A Common Stock at $60.25 per share. After this transaction, he directly holds 500,763 shares. The sale was made under a pre-arranged Rule 10b5-1 trading plan, indicating it was scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 1,769 shares ($106,582)

Net Sell 1 txn

Insider Grassadonia Brian

Role Ecosystem Lead

Sold 1,769 shs ($107K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	1,769	$60.25	$107K

Holdings After Transaction: Class A Common Stock — 500,763 shares (Direct)

Footnotes (1)

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Key Figures

Shares sold: 1,769 shares Sale price: $60.25 per share Shares held after sale: 500,763 shares +1 more

4 metrics

Shares sold 1,769 shares Open-market sale of Class A Common Stock

Sale price $60.25 per share Price for sold Class A shares

Shares held after sale 500,763 shares Direct holdings after transaction

Transaction type Open-market sale (Code S) Non-derivative Form 4 transaction

Key Terms

Rule 10b5-1 trading plan, open-market sale, Class A Common Stock, Form 4

4 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.

Form 4 regulatory

"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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 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)
04/06/2026

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)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	04/06/2026		S(1)		1,769	D	$60.25	500,763	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	04/08/2026
	** 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)

FAQ

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

Block, Inc. reported that Ecosystem Lead Brian Grassadonia sold 1,769 shares of Class A Common Stock. The shares were sold in an open-market transaction at $60.25 per share under a pre-arranged Rule 10b5-1 trading plan.

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

Brian Grassadonia sold his Block, Inc. shares at $60.25 per share. This price applies to 1,769 shares of Class A Common Stock sold in a single open-market transaction disclosed in the Form 4 insider filing.

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

After the reported sale, Brian Grassadonia directly holds 500,763 shares of Block, Inc. Class A Common Stock. This post-transaction balance shows he retains a substantial equity position despite selling a relatively small number of shares.

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

Yes, the sale was executed under a Rule 10b5-1 trading plan. The footnote explains the transaction followed a pre-arranged plan, meaning the trade was scheduled in advance rather than timed based on short-term market conditions.

What does an open-market sale by a Block, Inc. (XYZ) insider mean?

An open-market sale means the insider sold shares on the public market at prevailing prices. In this case, Brian Grassadonia sold 1,769 Block, Inc. Class A shares at $60.25 each, as part of a disclosed Form 4 transaction.