William J Peters insider trades

Open-market stock purchases and sales by William J Peters, CFO, EVP & TREASURER at Amphastar Pharmaceuticals, Inc, from SEC Form 4 filings since Jan 5, 2010.

Recent trades

DateStockTradeValue
Sep 21, 2026AMPH Amphastar Pharmaceuticals, IncSold$103K
Aug 7, 2026AMPH Amphastar Pharmaceuticals, IncBought (not open market)—
Aug 7, 2026AMPH Amphastar Pharmaceuticals, IncSold$184K
Mar 15, 2026AMPH Amphastar Pharmaceuticals, IncSold (not open market)$35.9K
Mar 10, 2026AMPH Amphastar Pharmaceuticals, IncSold (not open market)$62.3K
Mar 9, 2026AMPH Amphastar Pharmaceuticals, IncBought (not open market)—
Mar 9, 2026AMPH Amphastar Pharmaceuticals, IncBought (not open market)—
Mar 6, 2026AMPH Amphastar Pharmaceuticals, IncSold (not open market)$41.5K
Mar 4, 2026AMPH Amphastar Pharmaceuticals, IncSold (not open market)$34.8K

Companies traded

  • AMPH Amphastar Pharmaceuticals, Inc: 70 sales, last Sep 21, 2026
  • HITK HI Tech Pharmacal Co Inc: 8 sales, last Oct 3, 2013

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