X0609 4 2026-07-31 0002127043 Jersey Mike's Subs Inc. JMKE 0001484870 Blackstone Holdings II L.P. false C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 false false true false 0001464695 Blackstone Holdings I/II GP L.L.C. false C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 false false true false 0001393818 Blackstone Inc. false 345 PARK AVENUE NEW YORK NY 10154 false false true false 0001404071 Blackstone Group Management L.L.C. false C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 false false true false 0001070844 SCHWARZMAN STEPHEN A false C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 false false true false false Class A Common Stock 2026-07-31 4 C false 6593919 A 6737618 I See Footnotes Class A Common Stock 2026-07-31 4 S false 6593919 21.85 D 143699 I See Footnotes Class A Common Stock 2026-07-31 4 S false 23101733 21.85 D 189138535 I See Footnotes Class B Common Stock 2026-07-31 4 J false 6593919 D 53842047 I See Footnotes Common Units of Jersey Mike's HoldCo, LLC 2026-07-31 4 C false 6593919 0 D Class A Common Stock 6593919 53842047 I See Footnotes Pursuant to the terms of an exchange agreement, dated as of July 29, 2026, holders have the right to exchange their common units of Jersey Mike's HoldCo, LLC ("Common Units") for shares of Class A common stock ("Class A Common Stock") of Jersey Mike's Subs Inc. (the "Issuer") on a one-for-one basis, subject to customary conversion rate adjustments for stock splits, stock dividends and reclassifications. These exchange rights do not expire. This amount represents the $23.00 secondary public offering price per share of Class A Common Stock of the Issuer, less the underwriting discount of $1.15 per share sold by the Reporting Persons to the Issuer in connection with the Issuer's initial public offering. Reflects shares of Class A Common Stock of the Issuer held directly by Submarine Buyer LLC. Submarine Buyer Holdco LLC is the sole member of Submarine Buyer LLC. Boardwalk I Aggregator L.P. is the managing member of Submarine Buyer Holdco LLC. Reflects securities of the Issuer held directly by Boardwalk II Aggregator L.P. BCP 9 Holdings Manager L.L.C. is the general partner of Boardwalk I Aggregator L.P. and Boardwalk II Aggregator L.P. Blackstone Management Associates IX L.P. is the managing member of BCP 9 Holdings Manager L.L.C. BMA IX L.L.C. is the general partner of Blackstone Management Associates IX L.P. Blackstone Holdings II L.P. is the managing member of BMA IX L.L.C. Blackstone Holdings I/II GP L.L.C. is the general partner of Blackstone Holdings II L.P. Blackstone Inc. is the sole member of Blackstone Holdings I/II GP L.L.C. The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose. Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person. Shares of the Issuer's Class B common stock ("Class B Common Stock") have no economic value and have one vote per share. One share of Class B Common Stock is issued for each Common Unit held. Upon the sale of the Common Units, an equivalent number of shares of Class B Common Stock were automatically cancelled. Because no more than 10 reporting persons can file any one Form 4 through the Securities and Exchange Commission's EDGAR system, certain affiliates of the Reporting Persons have filed separate Forms 4. /s/ See Exhibit 99.1 2026-08-04