
☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31, 2025☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from ____ to____Commission file number: 001-35845 LUMENT FINANCE TRUST, INC.(Exact name of registrant as specified in its charter) Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes☐or 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 preceding12 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☒orNo☐ 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☒or 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 growthcompany. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the ExchangeAct. Accelerated filer☐Smaller reporting company☒Emerging growth company☐ 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 financialaccounting 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 financialreporting 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 thecorrection 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 theregistrant'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☐or No The aggregate market value of the registrant’s common stock held by non-affiliates of the registrant was approximately $68.0million as of June 30, 2025 (the last businessday of the registrant's most recently completed second fiscal quarter) based on the closing sale price on the New York Stock Exchange on that date. As of March17, 2026, there were 52,399,265 outstanding shares of common stock, $0.01 par value. TABLE OF CONTENTS PART IItem 1.Business1Item 1A.Risk Factors6Item 1B.Unresolved Staff Comments31Item 1C.Cybersecurity31Item 2.Properties32Item 3.Legal Proceedings32Item 4.Mine Safety Disclosures32PART IIItem 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities33Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations34Item 7A.Quantitative and Qualitative Disclosure About Market Risks51Item 8.Financial Statements and Supplementary Data50Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure50Item 9A.Controls and Procedures50Item 9B.Other Information51PART IIIItem 10.Directors, Executive Officers and Corporate Governance52Item 11.Executive Compensation52Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters52Item 13.Certain Relationships and Related Transactions, and Director Independence52Item 14.Principal Accounting Fees and Services52PART IVItem 15.Exhibits, Financial Statements and Schedules53Item 16.Form 10-K Summary53 Cautionary Note Regarding Forward-Looking Statements This Annual Report on Form 10-K contains certain forward-looking statements intended to qualify for the safe harbor contained in Section 27A of the Securities Act of1933, as amended, and Section 21E of the Securities Exchange Act, as amended. Forward-looking statements are subject to risks and uncertainties. These forward-lookingstatements include information about possible or assumed future results of our business, financial conditions, liquidity, results of operations, plans and objectives. In addition,our management may from time to time make oral forward-looking statements. You ca