Insider trading · Q3 2026 · CIK 88000

Horizon Kinetics Holding Corp (HKHC) insider trading.

Name: Horizon Kinetics Holding Corp insider transactions, Q3 2026
Creator: U.S. Securities and Exchange Commission

In Q3 2026, insiders at Horizon Kinetics Holding Corp reported 10 non-derivative transactions on 9 Forms 3, 4 and 5: 10 open-market purchases worth $105K and 0 sales.

Transactions: 10
Purchases (P): 10
Sales (S): 0
Net shares, P minus S: 3,940
Insiders: 5
Last filed: 2026-09-22

Insiders

Insider	Relationship	Transactions	Buys
Brennan Alice C	Director	5	5
Herndon Mark	Officer · Chief Financial Officer	2	2
Nagelberg Allison	Director	1	1
Maran Capital Management, LLC / Roller Daniel J / Maran Partners Fund, LP / Maran Partners GP, LLC	Director, Other	1	1
Rosenthal Brent D	Director	1	1

Transactions

10 non-derivative rows, newest transaction first. Shares and prices as filed.
Date	Insider	Code	Shares	Price	Owned after	Filing
2026-09-18	Nagelberg Allison	P (A)	190	$26.27	590	Form 4
2026-09-02	Brennan Alice C	P (A)	200	$25.92	2,000	Form 4
2026-08-28	Brennan Alice C	P (A)	200	$26.2	1,800	Form 4
2026-08-27	Brennan Alice C	P (A)	200	$26	1,600	Form 4
2026-08-26	Maran Capital Management, LLC / Roller Daniel J / Maran Partners Fund, LP / Maran Partners GP, LLC	P (A)	500	$26.5	10,000	Form 4
2026-08-25	Brennan Alice C	P (A)	200	$26.75	1,400	Form 4
2026-08-24	Rosenthal Brent D	P (A)	2,000	$27	4,450	Form 4
2026-08-24	Brennan Alice C	P (A)	200	$26.87	1,200	Form 4
2026-08-20	Herndon Mark	P (A)	200	$26.75	550	Form 4
2026-08-19	Herndon Mark	P (A)	50	$26.5	350	Form 4

Transaction codes in this quarter

P: 10

Get HKHC insider transactions through the API

Request with your API key

curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=88000&limit=100" \
  -H "Authorization: Bearer $SEC_API_KEY"

Insider trading API guide · HKHC company page · Horizon Kinetics Holding Corp on SEC.gov

Questions

Are insiders buying or selling Horizon Kinetics Holding Corp (HKHC)?

In Q3 2026, insiders at Horizon Kinetics Holding Corp reported 10 non-derivative transactions on 9 Forms 3, 4 and 5: 10 open-market purchases worth $105K and 0 sales. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.

Where do these Horizon Kinetics Holding Corp insider trades come from?

From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.

Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.

Plain-text version for agents and LLMs: /insider-trading/hkhc.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.