PRINS RICHARD K
SEC insider (Form 3/4/5 filer). CIK 0001047579. Director at Amphastar Pharmaceuticals, Inc. (AMPH) and 1 other issuer. 19 reported Form 4/5 transactions since Sep 2024; latest on Aug 11, 2026. Located in RANCHO CUCAMONGA, CA.
Companies PRINS RICHARD K has filed insider reports for
- Amphastar Pharmaceuticals, Inc. (AMPH): Director
- IGC Pharma, Inc. (IGC): Director
PRINS RICHARD K
CIK: 0001047579
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (19 total)
- Aug 11, 2026AMPH
Amphastar Pharmaceuticals, Inc.
SaleDirect8K shares at avg. $20.30$162K - Jun 1, 2026AMPH
Amphastar Pharmaceuticals, Inc.
AwardDirect8.1K shares- - Apr 1, 2026IGC
IGC Pharma, Inc.
ExerciseDirect100K shares- - Apr 1, 2026IGC
IGC Pharma, Inc.
ExerciseDirect70K shares- - Jan 19, 2026IGC
IGC Pharma, Inc.
ExerciseDirect100K shares- - Nov 25, 2025AMPH
Amphastar Pharmaceuticals, Inc.
SaleDirect4.2K shares at avg. $27.10$113K - Nov 25, 2025AMPH
Amphastar Pharmaceuticals, Inc.
ExerciseDirect4.2K shares at avg. $16.69$70K - Oct 17, 2025IGC
IGC Pharma, Inc.
AwardDirectOptions
750K shares- - Jun 2, 2025AMPH
Amphastar Pharmaceuticals, Inc.
AwardDirect5.1K shares- - Mar 31, 2025IGC
IGC Pharma, Inc.
ExerciseDirect58.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 11, 2026 |  AMPH Amphastar Pharmaceuticals, Inc. | Sale | 7,973 | $20.30 | $161,852 | Direct |
| Jun 1, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | Award | 8,143 | - | $0 | Direct |
| Apr 1, 2026 |  IGC IGC Pharma, Inc. | Exercise | 100,000 | - | $0 | Direct |
| Apr 1, 2026 | IGC IGC Pharma, Inc. | Exercise | 70,000 | - | $0 | Direct |
| Jan 19, 2026 | IGC IGC Pharma, Inc. | Exercise | 100,000 | - | $0 | Direct |
| Nov 25, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Sale | 4,179 | $27.10 | $113,253 | Direct |
| Nov 25, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Exercise | 4,179 | $16.69 | $69,748 | Direct |
| Oct 17, 2025 | IGC IGC Pharma, Inc. | Award Options | 750,000 | - | - | Direct |
| Jun 2, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Award | 5,122 | - | - | Direct |
| Mar 31, 2025 | IGC IGC Pharma, Inc. | Exercise | 58,333 | - | - | Direct |
1-10 of 19 transactions