Shake Shack (SHAK) CEO Robert Lynch purchases 5,000 shares in open market

Rhea-AI Filing Summary

Shake Shack Inc. Chief Executive Officer Robert Lynch reported an open-market purchase of 5,000 shares of Class A Common Stock. The shares were bought on May 15, 2026 at a weighted average price of $60.388 per share, in multiple trades between $60.27 and $60.42. Following this transaction, Lynch directly holds 77,845 shares of Shake Shack common stock.

Insider Trade Summary

Net Buyer: 5,000 shares ($301,940)

Net Buy 1 txn

Insider Lynch Robert

Role Chief Executive Officer

Bought 5,000 shs ($302K)

Type	Security	Shares	Price	Value
Purchase	CLASS A COMMON STOCK	5,000	$60.388	$302K

Holdings After Transaction: CLASS A COMMON STOCK — 77,845 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares purchased: 5,000 shares Purchase price: $60.388 per share Post-transaction holdings: 77,845 shares +1 more

4 metrics

Shares purchased 5,000 shares Open-market purchase on May 15, 2026

Purchase price $60.388 per share Weighted average transaction price

Post-transaction holdings 77,845 shares Direct ownership after the purchase

Trade price range $60.27–$60.42 Prices of individual trades in the transaction

Key Terms

open-market purchase, weighted average price, Class A Common Stock

3 terms

open-market purchase financial

"reported an open-market purchase of 5,000 shares of Class A Common Stock"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

weighted average price financial

"The price reported above reflects the weighted average sales price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Class A Common Stock financial

"open-market purchase of 5,000 shares of 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 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).

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^*

Lynch Robert

(Last) (First) (Middle)

C/O SHAKE SHACK INC.

225 VARICK STREET, SUITE 301

(Street)

NEW YORK NEW YORK 10014

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Shake Shack Inc. [ SHAK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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	05/15/2026		P		5,000	A	$60.388(1)	77,845	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 transaction was executed in multiple trades at prices ranging from $60.27 to $60.42. The price reported above reflects the weighted average sales price. The Reporting Person undertakes to provide upon request to the Securities and Exchange Commission, Shake Shack Inc. (the "Issuer"), or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

Remarks:

	/s/ Ronald Palmese, Jr. , Esq., Attorney-in-Fact for Robert Lynch	05/18/2026
	** 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)

FAQ

What insider transaction did Shake Shack (SHAK) report for Robert Lynch?

Robert Lynch purchased 5,000 Shake Shack shares in the open market. The Chief Executive Officer bought Class A Common Stock on May 15, 2026, increasing his direct holdings to 77,845 shares after the transaction.

At what price did Robert Lynch buy Shake Shack (SHAK) shares?

Robert Lynch bought 5,000 Shake Shack shares at a weighted average of $60.388. A footnote states the transaction occurred in multiple trades, with prices ranging from $60.27 to $60.42 per share.

How many Shake Shack (SHAK) shares does Robert Lynch own after this Form 4?

After the reported transaction, Robert Lynch directly owns 77,845 Shake Shack shares. His holdings increased due to the 5,000-share open-market purchase reported for May 15, 2026.

What type of transaction is reported in this Shake Shack (SHAK) Form 4?

The Form 4 reports an open-market purchase of Class A Common Stock. The transaction code is P, indicating a non-derivative acquisition of 5,000 shares by Chief Executive Officer Robert Lynch.

Was Robert Lynch’s Shake Shack (SHAK) trade executed in a single block?

No, the trade was executed in multiple transactions. A footnote explains the purchase occurred in several trades, with prices between $60.27 and $60.42, and the reported $60.388 reflects the weighted average price.