PRINS RICHARD K (CIK 1047579) reported 11 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-03). Recent activity: Buy AMPH (8,143 shares), Sell AMPH (1,500 shares), Buy IGC (100,000 shares), Buy IGC (70,000 shares), Buy IGC (100,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-03 | Amphastar Pharmaceuticals, Inc. (AMPH) | Director | Buy | 8,143 | $0 |
| 2026-06-03 | Amphastar Pharmaceuticals, Inc. (AMPH) | Director | Sell | 1,500 | $0 |
| 2026-04-06 | IGC Pharma, Inc. (IGC) | Director | Buy | 100,000 | $0 |
| 2026-04-06 | IGC Pharma, Inc. (IGC) | Director | Buy | 70,000 | $0 |
| 2026-01-20 | IGC Pharma, Inc. (IGC) | Director | Buy | 100,000 | $0 |
| 2025-11-25 | Amphastar Pharmaceuticals, Inc. (AMPH) | Director | Sell | 4,179 | $113,251 |
| 2025-11-25 | Amphastar Pharmaceuticals, Inc. (AMPH) | Director | Buy | 4,179 | $69,748 |
| 2025-06-04 | Amphastar Pharmaceuticals, Inc. (AMPH) | Director | Buy | 5,122 | $0 |
| 2025-05-15 | IGC Pharma, Inc. (IGC) | Director | Buy | 58,333 | $0 |
| 2025-05-15 | IGC Pharma, Inc. (IGC) | Director | Buy | 100,000 | $0 |
| 2025-05-15 | IGC Pharma, Inc. (IGC) | Director | Buy | 70,000 | $0 |
Source: SEC Form 4 filings · as of 2026-06-03