ANNALY CAPITAL MANAGEMENT INC

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549

FORM 10-K

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE FISCAL YEAR ENDED: December 31, 2023

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM _______________ TO _________________

COMMISSION FILE NUMBER:1-13447

ANNALY CAPITAL MANAGEMENT INC

(Exact Name of Registrant as Specified in its Charter)

(212)696-0100

(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 whether 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 ☑

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 (§ 232.405 of this chapter) 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 the 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 Act). Yes☐ No☑

At June 30, 2023, the aggregate market value of the voting common stock held by non-affiliates of the registrant was approximately $9.8 billion, based on the closing sales price of the registrant’s common stock on such date as reported on the New York Stock Exchange.

The number of shares of the registrant’s common stock outstanding on January 31, 2024 was 500,080,287.

DOCUMENTS INCORPORATED BY REFERENCE

The registrant intends to file a definitive proxy statement pursuant to Regulation 14A within 120 days of the end of the fiscal year ended December 31, 2023. Portions of such proxy statement are incorporated by reference into Part III of this Form 10-K.

Special Note Regarding Forward-Looking Statements

This presentation, other written or oral communications, and our public documents to which we refer contain or incorporate by reference certain forward-looking statements which are based on various assumptions (some of which are beyond our control) and may be identified by reference to a future period or periods or by the use of forward-looking terminology, such as “may,” “will,” “believe,” “expect,” “anticipate,” “continue,” or similar terms or variations on those terms or the negative of those terms. Such statements include those relating to the Company’s future performance, macro outlook, the interest rate and credit environments, tax reform and future opportunities. Actual results could differ materially from those set forth in forward-looking statements due to a variety of factors, including, but not limited to, changes in interest rates; changes in the yield curve; changes in prepayment rates; the availability of mortgage-backed securities (“MBS”) and other securities for purchase; the availability of financing and, if available, the terms of any financing; changes in the market value of the Company’s assets; changes in business conditions and the general economy; the Company’s ability to grow its residential credit business; the Company's ability to grow its mortgage servicing rights business; credit risks related to the Company’s investments in credit risk transfer securities and residential mortgage-backed securities and related residential mortgage credit assets; risks related to investments in mortgage servicing rights; the Company’s ability to consummate any contemplated investment opportunities; changes in government regulations or policy affecting the Company’s business; the Company’s ability to maintain its qualification as a REIT for U.S. federal income tax purposes; the Company’s ability to maintain its exemption from registration under the Investment Company Act of 1940; and operational risks or risk management failures by us or critical third parties, including cybersecurity incidents. For a discussion of the risks and uncertainties which could cause actual results to differ from those contained in the forward-looking statements, see “Risk Factors” in our most recent Annual Report on Form 10-K and any subsequent Quarterly Reports on Form 10-Q. The Company does not undertake, and specifically disclaims any obligation, to publicly release the result of any revisions which may be made to any forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date of such statements, except as required by law.

Website and Social Media Disclosure

We use our website (www.annaly.com) and LinkedIn account (www.linkedin.com/company/annaly-capital-management) as channels of distribution of company information. The information we post through these channels may be deemed material. Accordingly, investors should monitor these channels, in addition to following our press releases, SEC filings and public conference calls and webcasts. In addition, you may automatically receive email alerts and other information about Annaly when you enroll your email address by visiting the “Investors” section of our website, then clicking on “Investor Resources” and selecting “Email Alerts” to complete the email notification form. Our website, any alerts and social media channels are not incorporated into this annual report on Form 10-K.