Peters William J

Amphastar Pharmaceuticals, Inc. ยท CFO

Peters William J is listed in public filings as director, officer: CFO, EVP & TREASURER. This Peters William J 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). Investors use Peters William J'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$3.2M175.1k sharesGrant / ExerciseMar 15, 2026$35.9K2k shares$18.18--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Amphastar Pharmaceuticals, Inc.AMPH$3.3M177k sharesGrant / ExerciseMar 10, 2026$62.3K3.3k shares$18.91--
Amphastar Pharmaceuticals, Inc.AMPH$2.3M121.1k sharesGrant / ExerciseMar 9, 2026$2.3M121.1k shares$19.21--
Amphastar Pharmaceuticals, Inc.AMPH--180.3k sharesGrant / ExerciseMar 9, 2026Disclosure amount unavailable58.7k shares----
Amphastar Pharmaceuticals, Inc.AMPH$2.4M121.6k sharesGrant / ExerciseMar 6, 2026$41.5K2.1k shares$19.34--
Amphastar Pharmaceuticals, Inc.AMPH$2.5M123.8k sharesGrant / ExerciseMar 4, 2026$34.8K1.7k shares$19.96--
Amphastar Pharmaceuticals, Inc.AMPH$3.1M125k sharesGrant / ExerciseMay 19, 2025$6.8K273 shares$24.79--
Amphastar Pharmaceuticals, Inc.AMPH$3.5M125.3k sharesGrant / ExerciseMar 17, 2025$83.2K3k shares$27.69--
Amphastar Pharmaceuticals, Inc.AMPH$3.4M128.3k sharesGrant / ExerciseMar 15, 2025$52.5K2k shares$26.66--
Amphastar Pharmaceuticals, Inc.AMPH$2.2M78k sharesGrant / ExerciseMar 10, 2025$2.2M78k shares$28.41--
Amphastar Pharmaceuticals, Inc.AMPH--130.2k sharesGrant / ExerciseMar 10, 2025Disclosure amount unavailable36.7k shares----
Amphastar Pharmaceuticals, Inc.AMPH$2.6M93.5k sharesGrant / ExerciseMar 6, 2025$60.6K2.1k shares$28.32--
Amphastar Pharmaceuticals, Inc.AMPH$2.7M97.4k sharesSellMar 4, 2025$116.5K4.2k shares$27.54--
Amphastar Pharmaceuticals, Inc.AMPH$07.5k sharesGrant / ExerciseMar 4, 2025$100.0K7.5k shares$13.35--
Amphastar Pharmaceuticals, Inc.AMPH$2.6M95.6k sharesGrant / ExerciseMar 4, 2025$48.0K1.7k shares$27.62--
Amphastar Pharmaceuticals, Inc.AMPH$4.9M94.1k sharesSellNov 6, 2024$386.5K7.4k shares$52.05--
Amphastar Pharmaceuticals, Inc.AMPH$308k23.7k sharesGrant / ExerciseNov 6, 2024$96.8K7.4k shares$13.03--
Amphastar Pharmaceuticals, Inc.AMPH$4.2M94.1k sharesSellJul 31, 2024$454.8K10.3k shares$44.23--
Amphastar Pharmaceuticals, Inc.AMPH$100k4.9k sharesGrant / ExerciseJul 31, 2024$208.0K10.3k shares$20.23--
Amphastar Pharmaceuticals, Inc.AMPH$3.9M94.7k sharesSellJun 27, 2024$120.9K3k shares$40.85--
Amphastar Pharmaceuticals, Inc.AMPH$3.9M94.1k sharesSellJun 27, 2024$26.2K635 shares$41.29--
Peters William J | TradingNote