UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

Form 10-K/A

Amendment No. 1

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For the fiscal year ended December 31, 2021

or

For the transition period from to

Commission file number: 814-00967

WHITEHORSE FINANCE, INC.

(Exact Name of Registrant as Specified in its Charter)

(305) 381-6999

(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 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 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. (Check one):

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. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Securities Exchange Act of 1934). Yes ☐ No ☒

The aggregate market value of common stock held by non-affiliates of the registrant on June 30, 2021 based on the closing price on that date of $14.90 on the Nasdaq Global Select Market was approximately $308.8 million. For the purposes of calculating this amount only, all directors and executive officers of the registrant have been treated as affiliates. There were 23,194,735 shares of the registrant’s common stock outstanding as of February 28, 2022.

DOCUMENTS INCORPORATED BY REFERENCE

None.

EXPLANATORY NOTE

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WhiteHorse Finance, Inc., a Delaware corporation, and its consolidated subsidiaries (collectively, the “Company”, which may also be referred to as “we”, “us” or “our”) is filing this Amendment No. 1 (the “Amendment”) to our Annual Report on Form 10-K (the “Form 10-K”) for the fiscal year ended December 31, 2021, which was filed with the Securities and Exchange Commission (“SEC”) on March 4, 2022, to include the audited financial statements of WHF STRS Ohio Senior Loan Fund LLC, a joint venture created between us and State Teachers Retirement System of Ohio, or STRS JV, as of and for the year ended December 31, 2021 (as Exhibit 99.2).

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We have determined that STRS JV has met the conditions of a significant subsidiary under Rule 1-02(w) of Regulation S-X for which we are required, pursuant to Rule 3-09 of Regulation S-X, to provide separate audited financial statements as exhibits to the Form 10-K. In accordance with Rule 3-09(b)(1), the separate audited financial statements of STRS JV are being filed as an amendment to the Form 10-K, within 90 days after the end of STRS JV’s fiscal year.

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This Amendment also includes the filing of new Exhibits 31.1, 31.2, 32.1 and 32.2, certifications of our Chief Executive Officer and Chief Financial Officer, pursuant to Rule 13a-14(a) and (b) of the Securities Exchange Act of 1934, as amended.

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Except as described above, no other changes have been made to the Form 10-K. This Amendment does not reflect subsequent events that may have occurred after the original filing date of the Form 10-K or modify or update in any way disclosures made in the Form 10-K, except as required to reflect the revisions discussed above. Among other things, forward-looking statements made in the Form 10-K have not been revised to reflect events that occurred or facts that became known to us after filing of the Form 10-K, and such forward-looking statements should be read in their historical context. Furthermore, this Amendment should be read in conjunction with the Form 10-K and with our subsequent filings with the SEC.

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PART IV

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Item 15. Exhibits, Financial Statement Schedules

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this Annual Report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized.

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POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Stuart Aronson and Joyson C. Thomas as his true and lawful attorneys-in-fact, each with full power of substitution, for him in any and all capacities, to sign any amendments to this Annual Report on Form 10-K and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact or their substitute or substitutes may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Annual Report on Form 10-K has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

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