Blackstone director joins Jersey Mike's Subs (JMKE) board, reports no stake

Rhea-AI Filing Summary

Jersey Mike's Subs Inc. (JMKE) reported that Michael J. Staub, an employee of Blackstone Inc. or one of its affiliates, has become a member of its board of directors and filed an initial statement of beneficial ownership on Form 3. The filing does not list any specific Jersey Mike's securities as owned by him and states that he disclaims beneficial ownership of any issuer securities that may be deemed to be beneficially owned by Blackstone affiliates.

Key Terms

Form 3, beneficial ownership, Power of Attorney, affiliates

4 terms

Form 3 regulatory

"has filed an initial statement of beneficial ownership on Form 3"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

beneficial ownership financial

"disclaims beneficial ownership of any securities of the Issuer"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Power of Attorney legal

"Exhibit 24 - Power of Attorney"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

affiliates financial

"beneficially owned by affiliates of Blackstone"

FAQ

What does Jersey Mike's Subs Inc. (JMKE) disclose about Michael J. Staub in this Form 3?

The filing states that Michael J. Staub, an employee of a Blackstone affiliate, is a member of the board of directors of Jersey Mike's Subs Inc. and has filed an initial statement of beneficial ownership on Form 3.

Does Michael J. Staub report owning JMKE shares in this Form 3?

The Form 3 does not list any specific JMKE securities as owned by Michael J. Staub. It also states that he disclaims beneficial ownership of any issuer securities that may be deemed to be beneficially owned by Blackstone affiliates.

What relationship between Blackstone and Jersey Mike's Subs Inc. (JMKE) is indicated here?

The filing notes that the reporting person is an employee of Blackstone Inc. or its affiliate and serves on the board of directors of Jersey Mike's Subs Inc., implying board-level representation associated with Blackstone.

What does it mean that Michael J. Staub disclaims beneficial ownership of JMKE securities?

The disclaimer states that he disclaims beneficial ownership of any JMKE securities that may be deemed owned by Blackstone affiliates, clarifying that such securities, if any, should not automatically be treated as personally owned by him.

Is there any trading or transaction activity reported for JMKE in this Form 3?

No transactions are reported; the structured data show zero buy, sell, acquire, or dispose entries. This Form 3 functions as an initial ownership statement tied to his board role rather than a report of trades.

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

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Available on EDGAR 08/19/2026 - 07:35 PM Accepted by SEC EDGAR 07/30/2026 - 04:30 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Staub Michael J

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/30/2026

3. Issuer Name and Ticker or Trading Symbol
Jersey Mike's Subs Inc. [ JMKE ]

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney. The Reporting Person, an employee of Blackstone Inc. ("Blackstone") or one of its affiliates, is a member of the board of directors of the Issuer. The Reporting Person disclaims beneficial ownership of any securities of the Issuer that may be deemed to be beneficially owned by affiliates of Blackstone.

No securities are beneficially owned.

	/s/ Erin Conway, Attorney-in-Fact	07/30/2026
	** 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 5 (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 3: SEC 1473 (03-26)