Horizon Common Inc. Files 4/A Amendment on Beneficial Ownership

TL;DR

**Horizon Common Inc. filed an amended ownership report, likely correcting prior info.**

AI Summary

This 4/A filing, an amendment to a previous Form 4, indicates that Horizon Common Inc. and Stahl Murray are reporting entities related to Horizon Kinetics Holding Corp. The filing, dated March 24, 2026, with a period of report of March 20, 2026, primarily serves to correct or clarify information regarding changes in beneficial ownership of securities. For investors, this matters because amendments to ownership filings can signal adjustments in insider holdings or reporting obligations, which might affect perceptions of company stability or insider confidence, though the specific changes aren't detailed in this summary filing.

Why It Matters

This amendment clarifies or corrects previous disclosures about who owns what, which can impact how investors view insider confidence and potential future stock movements.

Risk Assessment

Risk Level: low — An amended Form 4 is typically a technical correction and doesn't inherently signal high risk unless the underlying changes are significant and negative.

Analyst Insight

A smart investor would note this amendment but await the specific details of the changes within the full document to assess any material impact on insider holdings or company outlook. Without the specific changes, it's a procedural update.

Key Numbers

• 0001437749-26-009561 — SEC Accession No. (Unique identifier for this specific filing.)
• 2026-03-24 — Filing Date (The date the amended filing was submitted to the SEC.)
• 2026-03-20 — Period of Report (The date to which the reported ownership changes pertain.)
• 001-13458 — File No. (The SEC file number for the issuer, Horizon Kinetics Holding Corp.)
• 646-867-1176 — Business Phone Number (Contact number for Stahl Murray, a reporting entity.)

Key Players & Entities

• Horizon Common Inc (company) — Reporting entity
• Stahl Murray (company) — Reporting entity
• Horizon Kinetics Holding Corp (company) — Issuer
• 0002033370 (dollar_amount) — CIK for Horizon Common Inc.
• 0001207097 (dollar_amount) — CIK for Stahl Murray
• 0000088000 (dollar_amount) — CIK for Horizon Kinetics Holding Corp
• 2026-03-24 (dollar_amount) — Filing Date
• 2026-03-20 (dollar_amount) — Period of Report

FAQ

Filing Documents

• primary_doc.html (4/A)
• primary_doc.xml (4/A) — 12KB
• 0001437749-26-009561.txt ( ) — 14KB

From the Filing

SEC FORM 4/A SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * STAHL MURRAY (Last) (First) (Middle) 470 PARK AVENUE SOUTH 8TH FLOOR SOUTH (Street) NEW YORK NEW YORK 10016 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol Horizon Kinetics Holding Corp [ HKHC ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner X Officer (give title below) Other (specify below) CEO and CIO 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) 03/24/2026 Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/20/2026 P 10 A $ 34.6 249,204 (1) D Common Stock 03/20/2026 P 25 A $ 34.6 8,216,801 (2) I Horizon Common Inc. Common Stock 03/20/2026 P 18 A $ 34.6 135 (2) I Horizon Kinetics Hard Assets, LLC Common Stock 5 I Spouse Common Stock 823,923 (2) (3) I FRMO Corp. Common Stock 6,900 (2) I Kinetics Institutional Partners LP Common Stock 5,810 (2) I Kinetics Partners LP Common Stock 952 (2) I Horizon Kinetics Asset Management LLC Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares 1. Name and Address of Reporting Person * STAHL MURRAY (Last) (First) (Middle) 470 PARK AVENUE SOUTH 8TH FLOOR SOUTH (Street) NEW YORK NEW YORK 10016 (City) (State) (Zip) UNITED STATES (Country) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner X Officer (give title below) Other (specify below) CEO and CIO 1. Name and Address of Reporting Person * Horizon Common Inc (Last) (First) (Middle) 470 PARK AVENUE SOUTH 8TH FLOOR SOUTH (Street) NEW YORK NEW YORK 10016 (City) (State) (Zip) UNITED STATES (Country) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below) Explanation of Responses: 1. The number of securities beneficially owned following the reported transaction was previously overstated. This amendment corrects the ownership amount to reflect the accurate number of securities beneficially owned after the transaction. 2. Mr. Stahl serves as the Chief Executive Officer and Chief Investment Strategist for Horizon Kinetics Asset Management LLC, a wholly owned subsidiary of Horizon Kinetics Holding Corporation (HKHC), and also serves as the Chief Executive Officer of Horizon Common, Inc. (HCI), a large shareholder of HKHC. Mr. Stahl exercises discretion over shares of the Issuer held by HKHC and HCI and disclaims beneficial ownership except to the extent of his pecuniary interest. 3. Mr. Stahl serves as the Chief Executive Officer for FRMO Corp. (FRMO) and exercises discretion over shares of the Issuer. He disclaims beneficial ownership except to the extent of hi

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View this 4/A filing on SEC EDGAR