Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Amphastar Pharmaceuticals Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Amphastar Pharmaceuticals Inc. June 2, 202589.5%
-
IGC Pharma Inc. August 23, 202493.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 11, 2026 | Amphastar Pharmaceuticals Inc. | Open-market sale | −7,973 | $20.30 | $161,852 |
| Jun 1, 2026 | Amphastar Pharmaceuticals Inc. | Grant or award | +8,143 | — | — |
| Apr 1, 2026 | IGC Pharma Inc. | Option exercise | +100,000 | — | — |
| Apr 1, 2026 | IGC Pharma Inc. | Option exercise | +70,000 | — | — |
| Jan 19, 2026 | IGC Pharma Inc. | Option exercise | +100,000 | — | — |
| Nov 25, 2025 | Amphastar Pharmaceuticals Inc. | Option exercise | +4,179 | $16.69 | $69,748 |
| Nov 25, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −4,179 | $27.10 | $113,251 |
| Jun 2, 2025 | Amphastar Pharmaceuticals Inc. | Grant or award | +5,122 | — | — |
| Mar 31, 2025 | IGC Pharma Inc. | Option exercise | +58,333 | — | — |
| Mar 31, 2025 | IGC Pharma Inc. | Option exercise | +100,000 | — | — |
| Mar 31, 2025 | IGC Pharma Inc. | Option exercise | +70,000 | — | — |
| Dec 9, 2024 | Amphastar Pharmaceuticals Inc. | Option exercise | +10,000 | $19.52 | $195,200 |
| Dec 9, 2024 | Amphastar Pharmaceuticals Inc. | Open-market sale | −10,000 | $43.77 | $437,700 |
| Dec 9, 2024 | Amphastar Pharmaceuticals Inc. | Gift | −410 | — | — |
| Nov 12, 2024 | Amphastar Pharmaceuticals Inc. | Option exercise | +2,500 | $16.69 | $41,725 |
Questions about Richard K. Prins
What boards is Richard K. Prins on?
Richard K. Prins sits on the boards of Amphastar Pharmaceuticals Inc. and IGC Pharma Inc.
How long has Richard K. Prins served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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