Rubenstein Robert (CIK 2103610) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-12). Recent activity: Buy HYPD (75,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-12 | HYPERION DEFI, INC. (HYPD) | General Counsel | Buy | 75,000 | $0 |
Source: SEC Form 4 filings · as of 2026-01-12