Brent D. Rosenthal
Director · Horizon Kinetics Holding Corp
- 2024
- Aug 25, 2026
- 14
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Brent D. Rosenthal 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.
- 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 Brent D. Rosenthal?
Brent D. Rosenthal is a corporate insider, tracked as Director of Horizon Kinetics Holding Corp (HKHC). InsiderAlpha holds 14 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Brent D. Rosenthal submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Brent D. Rosenthal been buying or selling stock?
Recorded transactions: 11 open-market purchases ($230K) and 0 open-market sales across all tracked filings.
