Block director sells about $1.4M in Class A stock

A Block, Inc. director sold 18,000 Class A shares over three days under a pre-arranged Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

Block, Inc. (XYZ) director Eisen Anthony Mathew reported three sales of Class A Common Stock totaling 18,000 shares on September 16–18, 2026, at per-share prices between $76.55 and $78.36. The sales were effected under a Rule 10b5-1 trading plan adopted on March 2, 2026.

Insider Trade Summary 10b5-1

Net Seller: 18,000 shares

Net Sell 3 txns

Insider Eisen Anthony Mathew

Role Director

Sold 18,000 shs ($1.40M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1	6,000	$76.55	$459K
Sale	Class A Common Stock F1	6,000	$77.97	$468K
Sale	Class A Common Stock F1	6,000	$78.36	$470K

Holdings After Transaction: Class A Common Stock — 1,380,672 shares (Direct)

Footnotes (1)

1. F1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 2, 2026.

Key Figures

Total shares sold: 18,000 shares Shares sold per day: 6,000 shares Sale price September 16, 2026: $78.36 per share +4 more

7 metrics

Total shares sold 18,000 shares Class A Common Stock sales reported for September 16–18, 2026

Shares sold per day 6,000 shares Each of September 16, 17 and 18, 2026

Sale price September 16, 2026 $78.36 per share Sale of 6,000 Class A shares

Sale price September 17, 2026 $77.97 per share Sale of 6,000 Class A shares

Sale price September 18, 2026 $76.55 per share Sale of 6,000 Class A shares

Approximate total sale value $1.40 million Combined value of the 18,000 shares sold at reported prices

Rule 10b5-1 plan adoption date March 2, 2026 Trading plan under which the sales were effected

Key Terms

Rule 10b5-1 trading plan, Class A Common Stock, open market or private transaction

3 terms

Rule 10b5-1 trading plan regulatory

"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 2, 2026."

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.

Class A Common Stock financial

"security title Class A Common Stock for each reported sale"

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.

open market or private transaction financial

"Sale in open market or private transaction for each reported sale"

FAQ

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

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

Block, Inc. disclosed that director Eisen Anthony Mathew sold 18,000 shares of Class A Common Stock in three transactions on September 16–18, 2026, at prices between $76.55 and $78.36, pursuant to a Rule 10b5-1 trading plan.

How many Block, Inc. (XYZ) shares did the director sell on each date?

Eisen Anthony Mathew sold 6,000 shares on each of three dates: September 16, 2026, September 17, 2026, and September 18, 2026, for a total of 18,000 shares of Block, Inc. Class A Common Stock.

At what prices were the Block, Inc. (XYZ) shares sold in this filing?

The reported sales prices were $78.36 per share on September 16, 2026, $77.97 per share on September 17, 2026, and $76.55 per share on September 18, 2026, for sales of Block, Inc. Class A Common Stock.

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

Yes. The filing states that the sales were effected pursuant to a Rule 10b5-1 trading plan adopted on March 2, 2026, indicating the transactions followed a pre-arranged trading schedule.

What is the total reported dollar value of shares sold by the Block, Inc. (XYZ) director?

Based on the reported prices and share amounts, the three transactions total approximately $1.40 million in Block, Inc. Class A Common Stock sales across the period September 16–18, 2026.

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

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Available on EDGAR 09/18/2026 - 05:27 PM Accepted by SEC EDGAR 09/18/2026 - 05:26 PM Learn about SEC filing dates

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^*

Eisen Anthony Mathew

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2026

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	09/16/2026		S(1)		6,000	D	$78.36	1,392,672	D
Class A Common Stock	09/17/2026		S(1)		6,000	D	$77.97	1,386,672	D
Class A Common Stock	09/18/2026		S(1)		6,000	D	$76.55	1,380,672	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 sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 2, 2026.

Remarks:

	/s/ Susan Szotek, Attorney-in-Fact	09/18/2026
	** 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)