Monigo Saygbay-Hallie - 31 Dec 2025 Form 4 Insider Report for DENNY'S Corp (DENN)

Role: EVP, Chief People Officer
Signature: /s/ Gail Sharps Myers, Attorney-in-Fact
Issuer symbol: DENN
Transactions as of: 31 Dec 2025
Net transactions value: -$22,314
Form type: 4
Filing time: 02 Jan 2026, 17:33:58 UTC
Previous filing: 24 Feb 2025
Next filing: 20 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Saygbay-Hallie Monigo	EVP, Chief People Officer	DENNY'S CORPORATION, 203 EAST MAIN STREET, SPARTANBURG	/s/ Gail Sharps Myers, Attorney-in-Fact	02 Jan 2026	0002032957

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DENN	Restricted Stock Units	Options Exercise	$0	+13,731	+1308%	$0.000000	14,781	31 Dec 2025	Direct
transaction	DENN	Restricted Stock Units	Tax liability	$22,314	-3,599	-24%	$6.20	11,182	31 Dec 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DENN	Restricted Stock Units	Options Exercise	$0	-13,731	-33%	$0.000000	27,464	31 Dec 2025	Common Stock	13,731		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the partial payout of restricted stock units, previously granted under the Denny's Corporation 2021 Omnibus Incentive Plan, for the first of (3) equal installments that vests on the last day of the Company's 2025, 2026, and 2027 fiscal years and are payable on a "1-for-1" basis in common stock of the Issuer within 30 days of the vesting date, subject to continued employment with the Issuer through such date, unless vesting is accelerated due to retirement, death, disability or change of control.

Content

Reflects the partial payout of restricted stock units, previously granted under the Denny's Corporation 2021 Omnibus Incentive Plan, for the first of (3) equal installments that vests on the last day of the Company's 2025, 2026, and 2027 fiscal years and are payable on a "1-for-1" basis in common stock of the Issuer within 30 days of the vesting date, subject to continued employment with the Issuer through such date, unless vesting is accelerated due to retirement, death, disability or change of control.