O REILLY AUTOMOTIVE INC

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM****10-K

For the fiscal year ended****December 31, 2023

OR

For the transition period from** **** to**** **

O’REILLY AUTOMOTIVE, INC.

(Exact name of registrant as specified in its charter)

233 South Patterson Avenue

Springfield**,Missouri **65802

(Address of principal executive offices, Zip code)

**(417)**862-6708

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:

None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes☐ No ☒

Note - Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Exchange Act from their obligations under those Sections.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐ No☒

At June 30, 2023, the aggregate market value of the voting stock held by non-affiliates of the Company was $48,266,172,701 based on the last price of the common stock reported by The Nasdaq Global Select Market.

At February 19, 2024, an aggregate of 59,036,585 shares of common stock of the registrant were outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive proxy statement for the 2024 Annual Meeting of Shareholders to be filed with the Securities and Exchange Commission within 120 days after December 31, 2023, are incorporated by reference into Part III.

FORM 10-K

FOR THE YEAR ENDED DECEMBER 31, 2023

TABLE OF CONTENTS

Forward-Looking Statements

We claim the protection of the safe-harbor for forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. You can identify these statements by forward-looking words such as “estimate,” “may,” “could,” “will,” “believe,” “expect,” “would,” “consider,” “should,” “anticipate,” “project,” “plan,” “intend,” or similar words. In addition, statements contained within this annual report that are not historical facts are forward-looking statements, such as statements discussing, among other things, expected growth, store development, integration and expansion strategy, business strategies, future revenues, and future performance. These forward-looking statements are based on estimates, projections, beliefs, and assumptions and are not guarantees of future events and results. Such statements are subject to risks, uncertainties, and assumptions, including, but not limited to, the economy in general; inflation; consumer debt levels; product demand; a public health crisis; the market for auto parts; competition; weather; tariffs; availability of key products and supply chain disruptions; business interruptions, including terrorist activities, war and the threat of war; failure to protect our brand and reputation; challenges in international markets; volatility of the market price of our common stock; our increased debt levels; credit ratings on public debt; damage, failure, or interruption of information technology systems, including information security and cyber-attacks; historical growth rate sustainability; our ability to hire and retain qualified employees; risks associated with the performance of acquired businesses; and governmental regulations. Actual results may materially differ from anticipated results described or implied in these forward-looking statements. Please refer to the “Risk Factors” section in this annual report on Form 10-K for the year ended December 31, 2023, and subsequent Securities and Exchange Commission filings, for additional factors that could materially affect our financial performance. Forward-looking statements speak only as of the date they were made, and we undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events, or otherwise, except as required by applicable law.