8-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

HORIZON KINETICS HOLDING CORPORATION

(Exact name of Registrant as Specified in Its Charter)

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

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 financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07 Submission of Matters to a Vote of Security Holders.

The 2025 Annual Meeting of Stockholders (the “2025 Annual Meeting”) of Horizon Kinetics Holding Corporation (the “Company”) was held on June 17, 2025. At the 2025 Annual Meeting, the Company’s stockholders (i) elected Murray Stahl, Steven Bregman, Peter Doyle, Daniel J. Roller, Alice C. Brennan, Allison Nagelberg, and Brent D. Rosenthal to serve as members of the board of directors of the Company until the next annual meeting of the Company’s stockholders and until their successors have been duly elected and qualified or until their earlier death, resignation or removal; (ii) ratified the appointment of CBIZ CPAs P.C. as the Company’s independent registered public accounting firm for the year ending December 31, 2025; (iii) approved, on a non-binding advisory basis, the compensation of the Company’s named executive officers (the “Say-on-Pay Vote”); and (iv) approved, on a non-binding advisory basis, a frequency of every year for future non-binding, advisory votes on the compensation of the Company’s named executive officers.

The proposals below are described in detail in the Company’s definitive proxy statement dated April 29, 2025. The voting results for each proposal were as follows:

Proposal 1 – Election of Directors:

Proposal 2 – Ratification of the appointment of CBIZ CPAs P.C. as the Company’s independent registered public accounting firm for the year ending December 31, 2025:

Proposal 3 – The Say-on-Pay Vote:

Proposal 4 – Advisory vote regarding frequency of future non-binding, advisory votes on the compensation of the Company’s named executive officers:

In light of the stockholders’ recommendation that future non-binding, advisory votes on the compensation of the Company’s named executive officers be held every year, which was consistent with the recommendation of the Company’s board of directors, the Company’s board of directors has decided that the Company will hold future non-binding, advisory votes on the compensation of the Company’s named executive officers every year.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.