GELTZEILER MICHAEL S (CIK 1182139) reported 6 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-07-01). Recent activity: Buy HYPD (58,917 shares), Buy HYPD (30,000 shares), Buy HYPD (50,000 shares), Buy HYPD (7,000 shares), Buy EYEN (5,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-01 | HYPERION DEFI, INC. (HYPD) | Director | Buy | 58,917 | $0 |
| 2025-12-19 | HYPERION DEFI, INC. (HYPD) | Director | Buy | 30,000 | $90,300 |
| 2025-08-20 | HYPERION DEFI, INC. (HYPD) | Director | Buy | 50,000 | $0 |
| 2025-07-09 | HYPERION DEFI, INC. (HYPD) | Director | Buy | 7,000 | $0 |
| 2025-04-29 | EYENOVIA, INC. (EYEN) | Director | Buy | 5,000 | $0 |
| 2025-04-23 | EYENOVIA, INC. (EYEN) | Director | Buy | 5,000 | $0 |
Source: SEC Form 4 filings · as of 2026-07-01