David M. Arndt
President, Cons Prod Div. · Horizon Kinetics Holding Corp
Individual
- 2025
- Oct 15, 2025
- 1
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies David M. Arndt files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Brent D. Rosenthal - $106K in HKHC purchases and sales in the last 12 months
- Alice C. Brennan - $26K in HKHC purchases and sales in the last 12 months
- Mark Herndon - $15K in HKHC purchases and sales in the last 12 months
- Daniel J. Roller - $13K in HKHC purchases and sales in the last 12 months
- Murray Stahl - $12K in HKHC purchases and sales in the last 12 months
- Allison Nagelberg - $10K in HKHC purchases and sales in the last 12 months
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Frequently asked questions
Who is David M. Arndt?
David M. Arndt is a corporate insider, tracked as President, Cons Prod Div. of Horizon Kinetics Holding Corp (HKHC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did David M. Arndt last file a Form 4?
The only primary Form 4 on record is dated 15 October 2025.