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AAmphastar Pharmaceuticals, Inc.

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Amphastar Pharmaceuticals, Inc.

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Insider transactions

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SellBuy
DateNameTitleSharesValueTransactionSource
Sep 21, 2026PETERS WILLIAM JCFO, EVP & TREASURER4,139Common Stock$97.8KSell
Sep 16, 2026Zhou RongSENIOR EVP, PRODUCTION CENTER10,000Common Stock$237.8KSell
Sep 16, 2026Zhou RongSENIOR EVP, PRODUCTION CENTER10,000Common Stock$237.8KOption exercise
Sep 2, 2026Zhou RongSENIOR EVP, PRODUCTION CENTER3,187Common Stock$70.1KSell
Aug 11, 2026PRINS RICHARD KDirector7,973Common Stock$165.7KSell
Aug 7, 2026PETERS WILLIAM JCFO, EVP & TREASURER8,180Common Stock$170KSell
Aug 7, 2026PETERS WILLIAM JCFO, EVP & TREASURER5,053Common Stock$105KOption exercise
Jul 9, 2026Pierce Anthony TDirector16,646Stock Option (right to buy)$326.9KGrant / award
Jul 9, 2026Pierce Anthony TDirector7,886Common Stock$154.9KGrant / award
Jun 2, 2026Lee HowardDirector769Common Stock$14.5KTax withholding
…
  • Overview
  • Financial statements
  • Metrics
  • Quarterly earnings
  • Similar companies
  • Insider Transactions
$24.32Close · Sep 22, 2026