Nagelberg Allison

Nagelberg Allison, Director, accounts for 1 disclosed filing worth $5.1K, all concentrated in Horizon Kinetics Holding Corp (HKHC), active 2026. The record is heavily weighted toward buying, with $5.1K in purchases against $0 in sales. The largest single open-market purchase on record is $5.1K in Horizon Kinetics Holding Corp. Data is sourced from official SEC Form 3, 4, and 5 filings.