Horizon Kinetics (HKHC) director adds 200 shares at $26.87

Rhea-AI Filing Summary

Horizon Kinetics Holding Corp (HKHC) reported that director Alice C. Brennan purchased 200 shares of its common stock on August 24, 2026 in a purchase coded as an open market or private transaction at $26.87 per share.

Following this transaction, Brennan directly holds 1,200 shares of HKHC common stock.

Insider Trade Summary

Net Buyer: 200 shares

Net Buy 1 txn

Insider Brennan Alice C

Role Director

Bought 200 shs ($5K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	200	$26.87	$5K

Holdings After Transaction: Common Stock — 1,200 shares (Direct)

Key Figures

Shares purchased: 200 shares Purchase price per share: $26.87 per share Shares owned after transaction: 1,200 shares

3 metrics

Shares purchased 200 shares Common stock purchased on August 24, 2026

Purchase price per share $26.87 per share Price for the 200 HKHC common shares purchased

Shares owned after transaction 1,200 shares Direct ownership of Alice C. Brennan after the purchase

Key Terms

transaction_code, acquired_disposed_code, price_semantics

3 terms

transaction_code regulatory

"The transaction_code is "P", indicating a purchase"

acquired_disposed_code regulatory

"The acquired_disposed_code is "A" for acquired shares"

price_semantics financial

"The price_semantics field shows status "per_share""

FAQ

What insider trade in HKHC stock did Alice C. Brennan report?

Alice C. Brennan reported a purchase of 200 shares of Horizon Kinetics Holding Corp common stock on August 24, 2026, in a transaction coded as a purchase in an open market or private transaction at $26.87 per share.

What price did the HKHC director pay per share in the latest Form 4?

The director paid $26.87 per share for 200 shares of Horizon Kinetics Holding Corp common stock in the reported transaction on August 24, 2026.

How many HKHC shares does Alice C. Brennan own after the reported transaction?

After the reported transaction, Alice C. Brennan directly owns 1,200 shares of Horizon Kinetics Holding Corp common stock, according to the Form 4.

Was the August 24, 2026 HKHC insider transaction a buy or a sell?

The August 24, 2026 insider transaction reported for Horizon Kinetics Holding Corp was a buy, specifically a purchase of 200 shares of common stock by director Alice C. Brennan.

Was the HKHC Form 4 transaction done under a Rule 10b5-1 trading plan?

The Form 4 indicates the Rule 10b5-1 checkbox is not affirmed (set to false), so the reported purchase of HKHC shares is not indicated as being made pursuant to a Rule 10b5-1 trading plan.

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Available on EDGAR 08/25/2026 - 11:51 AM Accepted by SEC EDGAR 08/25/2026 - 11:50 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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^*

Brennan Alice C

(Last) (First) (Middle)

1270 AVENUE OF THE AMERICAS

27TH FLOOR

(Street)

NEW YORK NEW YORK 10020

(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		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/24/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/24/2026		P		200	A	$26.87	1,200	D

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

Explanation of Responses:

	/s/ Jay Kesslen, attorney-in-fact	08/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)