Prins Richard K

Amphastar Pharmaceuticals, Inc. ยท Director

Prins Richard K is listed in public filings as director. This Prins Richard K insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Amphastar Pharmaceuticals, Inc. (AMPH), and IGC Pharma, Inc. (IGC). Investors use Prins Richard K's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Amphastar Pharmaceuticals, Inc.AMPH$320k17.4k sharesGrant / ExerciseJun 1, 2026$319.9K17.4k shares$18.42--
Amphastar Pharmaceuticals, Inc.AMPH--37.6k sharesGrant / ExerciseJun 1, 2026Disclosure amount unavailable8.1k shares----

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
IGC Pharma, Inc.IGC--100k sharesGrant / ExerciseApr 1, 2026Disclosure amount unavailable100k shares----
IGC Pharma, Inc.IGC--70k sharesGrant / ExerciseApr 1, 2026Disclosure amount unavailable70k shares----
IGC Pharma, Inc.IGC--50k sharesGrant / ExerciseJan 19, 2026Disclosure amount unavailable100k shares----
Amphastar Pharmaceuticals, Inc.AMPH$953k35.2k sharesSellNov 25, 2025$113.3K4.2k shares$27.10--
Amphastar Pharmaceuticals, Inc.AMPH$04.2k sharesGrant / ExerciseNov 25, 2025$69.7K4.2k shares$16.69--
IGC Pharma, Inc.IGC--750k sharesGrant / ExerciseOct 17, 2025Disclosure amount unavailable750k shares----
Amphastar Pharmaceuticals, Inc.AMPH$289k11.4k sharesGrant / ExerciseJun 2, 2025$289.4K11.4k shares$25.38--
Amphastar Pharmaceuticals, Inc.AMPH--35.2k sharesGrant / ExerciseJun 2, 2025Disclosure amount unavailable5.1k shares----
IGC Pharma, Inc.IGC--58.3k sharesGrant / ExerciseMar 31, 2025Disclosure amount unavailable58.3k shares----
IGC Pharma, Inc.IGC--100k sharesGrant / ExerciseMar 31, 2025Disclosure amount unavailable100k shares----
IGC Pharma, Inc.IGC--140k sharesGrant / ExerciseMar 31, 2025Disclosure amount unavailable70k shares----
Amphastar Pharmaceuticals, Inc.AMPH$1.3M30.5k sharesSellDec 9, 2024$437.7K10k shares$43.77--
Amphastar Pharmaceuticals, Inc.AMPH$010k sharesGrant / ExerciseDec 9, 2024$195.2K10k shares$19.52--
Amphastar Pharmaceuticals, Inc.AMPH--30.1k sharesGrant / ExerciseDec 9, 2024Disclosure amount unavailable410 shares----
Amphastar Pharmaceuticals, Inc.AMPH$1.5M31.5k sharesSellNov 12, 2024$244.0K5k shares$48.80--
Amphastar Pharmaceuticals, Inc.AMPH--30.5k sharesGrant / ExerciseNov 12, 2024Disclosure amount unavailable1k shares----
Amphastar Pharmaceuticals, Inc.AMPH$70k4.2k sharesGrant / ExerciseNov 12, 2024$41.7K2.5k shares$16.69--
Amphastar Pharmaceuticals, Inc.AMPH--29.5k sharesGrant / ExerciseAug 19, 2024Disclosure amount unavailable1.5k shares----
Amphastar Pharmaceuticals, Inc.AMPH$1.5M34k sharesSellAug 12, 2024$736.5K17.1k shares$43.07--
IGC Pharma, Inc.IGC--1M sharesGrant / ExerciseAug 12, 2024Disclosure amount unavailable200k shares----
Amphastar Pharmaceuticals, Inc.AMPH$195k10k sharesGrant / ExerciseAug 12, 2024$140.2K7.2k shares$19.52--
Amphastar Pharmaceuticals, Inc.AMPH$201k10k sharesGrant / ExerciseAug 12, 2024$120.6K6k shares$20.08--
Amphastar Pharmaceuticals, Inc.AMPH$200k10k sharesGrant / ExerciseAug 12, 2024$78.4K3.9k shares$20.03--