Brent D. Rosenthal, Director at Horizon Kinetics Holding Corp (HKHC), bought 700 shares at $27.85 ($19K) on 2026-05-20, disclosed to the SEC on 2026-05-21.
Open-market purchase of $19k HKHC by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.
| Filing → |
| PBI | BUY | 2026-03-17 | $82K | — | Filing → |
| HKHC | BUY | 2025-11-26 | $8K | — | Filing → |
| PBI | BUY | 2025-11-25 | $20K | — | Filing → |