Nagelberg Allison (CIK 1408737) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-23). Recent activity: Buy HKHC (150 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-23 | Horizon Kinetics Holding Corp (HKHC) | Director | Buy | 150 | $5,094 |
Source: SEC Form 4 filings · as of 2026-03-23