Initial Statement of Beneficial Ownership (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

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(Print or Type Responses)

1. Name and Address of Reporting Person * JCP Investment Management, LLC 2. Date of Event Requiring Statement (Month/Day/Year) 10/17/2025 3. Issuer Name and Ticker or Trading Symbol DENNY'S Corp [DENN] (Last) (First) (Middle) 1177 WEST LOOP SOUTH, SUITE 1320 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) See Footnotes 1 and 2 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) HOUSTON, TX 77027 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) 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) Common Stock, $0.01 par value(1)(2) 455,717 I By: JCP Investment Partnership, LP(3) Common Stock, $0.01 par value(1)(2) 373,774 I By: Managed Accounts of JCP Investment Management, LLC(4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
JCP Investment Management, LLC 1177 WEST LOOP SOUTH SUITE 1320 HOUSTON, TX 77027				See Footnotes 1 and 2
JCP Investment Partnership, LP 1177 WEST LOOP SOUTH SUITE 1320 HOUSTON, TX 77027				See Footnotes 1 and 2
JCP Investment Partners, LP 1177 WEST LOOP SOUTH SUITE 1320 HOUSTON, TX 77027				See Footnotes 1 and 2
JCP Investment Holdings, LLC 1177 WEST LOOP SOUTH SUITE 1320 HOUSTON, TX 77027				See Footnotes 1 and 2
Pappas James C 1177 WEST LOOP SOUTH SUITE 1320 HOUSTON, TX 77027				See Footnotes 1 and 2

Signatures

JCP Investment Management, LLC, By: /s/ James C. Pappas, Managing Member		10/21/2025
**Signature of Reporting Person		Date
JCP Investment Partnership, LP, By: JCP Investment Management, LLC, Investment Manager, By: /s/ James C. Pappas, Managing Member		10/21/2025
**Signature of Reporting Person		Date
JCP Investment Partners, LP, By: JCP Investment Holdings, LLC, General Partner, By: /s/ James C. Pappas, Sole Member		10/21/2025
**Signature of Reporting Person		Date
JCP Investment Holdings, LLC, By: /s/ James C. Pappas, Sole Member		10/21/2025
**Signature of Reporting Person		Date
/s/ James C. Pappas		10/21/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	This Form 3 is filed jointly by JCP Investment Partnership, LP ("JCP Partnership"), JCP Investment Partners, LP ("JCP Partners"), JCP Investment Holdings, LLC ("JCP Holdings"), JCP Investment Management, LLC ("JCP Management") and James C. Pappas (collectively, the "Reporting Persons"). Each of the Reporting Persons are members of a Section 13(d) group that as of October 17, 2025 collectively beneficially owned more than 10% of the Issuer's outstanding shares of Common Stock. The Reporting Persons disclaim beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein.
(2)	As of October 21, 2025, the Schedule 13(d) group no longer collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock.
(3)	Represents shares of Common Stock owned directly by JCP Partnership. JCP Partners, as the general partner of JCP Partnership, may be deemed to beneficially own the shares of Common Stock owned directly by JCP Partnership. JCP Holdings, as the general partner of JCP Partners, may be deemed to beneficially own the shares of Common Stock owned directly by JCP Partnership. JCP Management, as the investment manager of JCP Partnership, may be deemed to beneficially own the shares of Common Stock owned directly by JCP Partnership. Mr. Pappas, as the managing member of JCP Management and the sole member of JCP Holdings, may be deemed to beneficially own the shares of Common Stock owned directly by JCP Partnership.
(4)	Represents shares of Common Stock held in certain accounts managed by JCP Management (the "JCP Accounts"). JCP Management, as the investment manager of the JCP Accounts, may be deemed to beneficially own the shares of Common Stock held in the JCP Accounts. Mr. Pappas, as the managing member of JCP Management, may be deemed to beneficially own the shares of Common Stock held in the JCP Accounts.

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