Horizon Kinetics Holding Corp (HKHC) has 102 open-market insider trades by 11 insiders since 2024. Over the last six months insiders net bought $128K. The most active filer is Murray Stahl, CEO & CIO +1.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Brent D. Rosenthal | Dir | — | 7 | $133K | 2026-08-24 |
| Alice C. Brennan | Dir | — | 8 | $53K | 2026-09-02 |
| Murray Stahl | CEOCIO10% Owner | — | 48 | $32K | 2026-03-20 |
| Horizon Common Inc | 10% | — | 25 | $21K | 2026-03-20 |
| Allison Nagelberg | Dir | — | 4 | $17K | 2026-09-18 |
| Mark Herndon | CFO | — | 5 | $16K | 2026-08-20 |
| Daniel J. Roller | Dir | — | 1 | $13K | 2026-08-26 |
| Jay H. Kesslen | Secretary | — | 2 | $6K | 2024-11-25 |
| Grimaldi Russell | CCO & Assoc General Counsel | — | 1 | $5K | 2024-11-18 |
| Peter Doyle | Pres10% | — | 3 | $3K | 2024-09-05 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Allison Nagelberg | Director | Buy | $5K | 2026-09-18 |
| Alice C. Brennan | Director | Buy | $5K | 2026-09-02 |
| Alice C. Brennan | Director | Buy | $5K | 2026-08-28 |
| Alice C. Brennan | Director | Buy | $5K | 2026-08-27 |
| Daniel J. Roller | Director | Buy | $13K | 2026-08-26 |
| Alice C. Brennan | Director | Buy | $5K | 2026-08-25 |
Companies that share insiders with HKHC, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Alice C. Brennan | Director | Buy | $5K | 2026-08-24 |
| Brent D. Rosenthal | Director | Buy | $54K | 2026-08-24 |
| Mark Herndon | CFO | Buy | $7K | 2026-08-19 |
| Brent D. Rosenthal | Director | Buy | $19K | 2026-05-20 |
| Mark Herndon | CFO | Buy | $3K | 2026-05-20 |
| Allison Nagelberg | Director | Buy | $5K | 2026-03-20 |
| Murray Stahl | CEO & CIO +1 | Buy | $2K | 2026-03-20 |
| Horizon Common Inc | 10% | Buy | $3K | 2026-03-19 |
| Horizon Common Inc | 10% | Buy | $918 | 2026-03-18 |