Murray Stahl - 20 Mar 2026 Form 4/A - Amendment Insider Report for Horizon Kinetics Holding Corp (HKHC)

Reporting relationship
CEO and CIO, Director, 10%+ Owner
Issuer ticker
HKHC
Reported as of
20 Mar 2026
Net transaction value
+$1,834
Source evidence Original filing metadata and source links for verification. 6 source fields
SEC form
4/A - Amendment
Accepted by SEC
24 Mar 2026, 14:53:04 UTC
Original report date
24 Mar 2026
Prior SEC filing
20 Mar 2026
Next SEC filing
24 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Jay Kesslen, attorney-in-fact

Key filing fact

Murray Stahl filed Form 4/A - Amendment for Horizon Kinetics Holding Corp (HKHC) on 24 Mar 2026.

Key facts

  • This page summarizes Murray Stahl's Form 4/A - Amendment filing for Horizon Kinetics Holding Corp (HKHC).
  • 3 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 24 Mar 2026, 14:53.

Change

  • Previous filing in this sequence was filed on 20 Mar 2026.
  • Current net transaction value: +$1,834.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (2)

CIK 0001207097 Primary reporting owner

STAHL MURRAY

Relationship
CEO and CIO, Director, 10%+ Owner
Address
470 PARK AVENUE SOUTH, 8TH FLOOR SOUTH, NEW YORK
Signature
/s/ Jay Kesslen, attorney-in-fact
Signature date
24 Mar 2026
CIK 0002033370

Horizon Common Inc

Relationship
10%+ Owner
Address
470 PARK AVENUE SOUTH, 8TH FLOOR SOUTH, NEW YORK
Signature
/s/ Jay Kesslen, attorney-in-fact
Signature date
24 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HKHC transaction

Common Stock

Purchase

Transaction value
$346
Shares
+10
Change %
+0%
Price
$34.60
Shares after
249,204
Date
20 Mar 2026
Ownership
Direct
Footnotes
F1
HKHC transaction

Common Stock

Purchase

Transaction value
$346
Shares
+10
Change %
+0%
Price
$34.60
Shares after
249,204
Date
20 Mar 2026
Ownership
Direct
Footnotes
F1
HKHC transaction

Common Stock

Purchase

Transaction value
$865
Shares
+25
Change %
+0%
Price
$34.60
Shares after
8,216,801
Date
20 Mar 2026
Ownership
Horizon Common Inc.
Footnotes
F2
HKHC transaction

Common Stock

Purchase

Transaction value
$865
Shares
+25
Change %
+0%
Price
$34.60
Shares after
8,216,801
Date
20 Mar 2026
Ownership
Horizon Common Inc.
Footnotes
F2
HKHC transaction

Common Stock

Purchase

Transaction value
$623
Shares
+18
Change %
+15%
Price
$34.60
Shares after
135
Date
20 Mar 2026
Ownership
Horizon Kinetics Hard Assets, LLC
Footnotes
F2
HKHC transaction

Common Stock

Purchase

Transaction value
$623
Shares
+18
Change %
+15%
Price
$34.60
Shares after
135
Date
20 Mar 2026
Ownership
Horizon Kinetics Hard Assets, LLC
Footnotes
F2
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5
Date
20 Mar 2026
Ownership
Spouse
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5
Date
20 Mar 2026
Ownership
Spouse
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
823,923
Date
20 Mar 2026
Ownership
FRMO Corp.
Footnotes
F2, F3
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
823,923
Date
20 Mar 2026
Ownership
FRMO Corp.
Footnotes
F2, F3
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
6,900
Date
20 Mar 2026
Ownership
Kinetics Institutional Partners LP
Footnotes
F2
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
6,900
Date
20 Mar 2026
Ownership
Kinetics Institutional Partners LP
Footnotes
F2
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,810
Date
20 Mar 2026
Ownership
Kinetics Partners LP
Footnotes
F2
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,810
Date
20 Mar 2026
Ownership
Kinetics Partners LP
Footnotes
F2
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
952
Date
20 Mar 2026
Ownership
Horizon Kinetics Asset Management LLC
Footnotes
F2
HKHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
952
Date
20 Mar 2026
Ownership
Horizon Kinetics Asset Management LLC
Footnotes
F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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 his pecuniary interest. The reported ownership includes shares held by Fromex Corp., a wholly owned subsidiary of FRMO.

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