UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549
SCHEDULE
14A
(Rule
14a-101)
INFORMATION REQUIRED IN PROXY STATEMENT
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934
(Amendment No. )
Filed by the Registrant ☐
Filed by a Party other than the Registrant ☒
Check the appropriate box:
| ☐ | Preliminary Proxy Statement |
| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | Definitive Proxy Statement |
| ☒ | Definitive Additional Materials |
| ☐ | Soliciting Material Under § 240.14a-12 |
JACK IN THE BOX INC.
|
(Name of Registrant as Specified In Its Charter)
|
| |
BIGLARI CAPITAL CORP.
THE LION FUND, L.P.
THE LION FUND II, L.P.
BIGLARI HOLDINGS INC.
FIRST GUARD INSURANCE COMPANY
SOUTHERN PIONEER PROPERTY AND CASUALTY INSURANCE COMPANY
BIGLARI REINSURANCE LTD.
BIGLARI INSURANCE GROUP INC.
WESTERN SIZZLIN CORPORATION
STEAK N SHAKE INC.
SARDAR BIGLARI
|
(Name of Persons(s) Filing Proxy Statement, if other than the Registrant)
|
Payment of Filing Fee (Check all boxes that apply):
| ☐ | Fee paid previously with preliminary materials |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |
Biglari Capital Corp.,
together with the other participants named herein (collectively, “Biglari”), has filed a definitive proxy statement and accompanying
GOLD proxy card with the Securities and Exchange Commission to be used to solicit proxies to vote AGAINST the election of
Chairman David Goebel at the 2026 annual meeting of stockholders (the “Annual Meeting”) of Jack in the Box Inc. (the “Company”),
a Delaware corporation.
On February 2, 2026, Biglari issued
an Investor Presentation, which is attached hereto as Exhibit 1 and incorporated herein by reference.
Additional Information
Biglari has filed a definitive proxy
statement and accompanying GOLD proxy card with the SEC to be used to solicit proxies to vote AGAINST Chairman David Goebel
in connection with the Annual Meeting. Stockholders are advised to read the proxy statement and any other documents related to the solicitation
of stockholders of the Company in connection with the Annual Meeting because they contain important information, including information
relating to Biglari. These materials and other materials filed by Biglari with the SEC in connection with the solicitation of proxies
are available at no charge on the SEC’s website at http://www.sec.gov. The definitive proxy statement and other relevant documents
filed by Biglari with the SEC are also available, without charge, by directing a request to Biglari’s proxy solicitor, Saratoga
Proxy Consulting, at its toll-free number (888) 368-0379 or via email at info@saratogaproxy.com.