Prins Richard K insider trades
Prins Richard K has filed 26 Form 4s with the SEC that we hold, for Amphastar Pharmaceuticals, Inc. (AMPH) (Director) and IGC Pharma, Inc. (IGC) (Director). Across all of them we count 0 purchases worth $0 and 14 sales worth $3.5M reported on Form 4. In the last 12 months: 0 purchases ($0) and 2 sales ($275.1K). The largest single trade was a sale of 17,101 shares of Amphastar Pharmaceuticals, Inc. worth $736.5K, dated 2024-08-12. The first filing on our record is dated 2021-11-23 and the latest 2026-08-12.
Amphastar Pharmaceuticals, Inc. (AMPH)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-11-22 | S, sale reported on Form 4 | 5,000 | $106.1K | 2021-11-23 |
| 2021-12-10 | S, sale reported on Form 4 | 5,291 | $113.0K | 2021-12-13 |
| 2022-03-15 | S, sale reported on Form 4 | 10,000 | $340.2K | 2022-03-17 |
| 2023-05-12 | S, sale reported on Form 4 | 5,000 | $210.3K | 2023-05-16 |
| 2023-05-15 | S, sale reported on Form 4 | 5,000 | $217.5K | 2023-05-16 |
| 2023-08-15 | S, sale reported on Form 4 | 4,163 | $238.9K | 2023-08-16 |
| 2023-08-18 | S, sale reported on Form 4 | 2,000 | $105.0K | 2023-08-21 |
| 2023-11-13 | S, sale reported on Form 4 | 5,000 | $262.5K | 2023-11-15 |
| 2023-11-17 | S, sale reported on Form 4 | 4,000 | $223.4K | 2023-11-20 |
| 2024-08-12 | S, sale reported on Form 4 | 17,101 | $736.5K | 2024-08-13 |
| 2024-11-12 | S, sale reported on Form 4 | 5,000 | $244.0K | 2024-11-13 |
| 2024-12-09 | S, sale reported on Form 4 | 10,000 | $437.7K | 2024-12-11 |
| 2025-11-25 | S, sale reported on Form 4 | 4,179 | $113.3K | 2025-11-25 |
| 2026-08-11 | S, sale reported on Form 4 | 7,973 | $161.9K | 2026-08-12 |
IGC Pharma, Inc. (IGC)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1047579) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
Privacy · Terms