Arkolith/Insider Trading/HKHC/Form 4

Stahl Murray

CEO and CIO, Director, 10% OwnerHorizon Kinetics Holding Corp (HKHC) · full profile →Form 4 · filed Sep 8, 2025
Net Buying
Open-Market Buys
$897
Open-Market Sells
$0
Net Open-Market Flow
$897
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 5, 2025Buy(P)5$39.00$195824K
Sep 5, 2025Buy(P)6$39.00$2348.2M
Sep 5, 2025Buy(P)8$39.00$312249K
Sep 5, 2025Buy(P)4$39.00$15627

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001437749-25-028532) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML