SEC Insider Transactions from Deflin Gayle.

Last updated: 2026-03-14 11:35 UTC | Total transactions: 9

Deflin Gayle has filed 9 insider transactions across 1 company since May 2023.

Most recent transaction: a grant/award of 5122 shares of Amphastar Pharmaceuticals, Inc. ($AMPH) on June 02, 2025.

Activity breakdown: 0 open-market purchases and 3 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 2, 2025 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Not found A Common Stock 5122 $0.00 10,914.0000 49,890,000 88.43% 0.01%
June 2, 2025 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Not found A Stock Option (right to buy) 11402 $0.00 11,402.0000 49,890,000 9999.99% 0.02%
June 3, 2024 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Not found A Common Stock 3076 $0.00 5,792.0000 53,013,000 113.25% 0.01%
June 3, 2024 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Not found A Stock Option (right to buy) 6864 $0.00 6,864.0000 53,013,000 9999.99% 0.01%
Nov. 14, 2023 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Director S Common Stock 4163 $55.45 2,716.0000 53,921,000 60.52% 0.01%
June 5, 2023 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Director A Common Stock 2716 $0.00 6,879.0000 51,970,000 65.24% 0.01%
June 5, 2023 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Director A Stock Option (right to buy) 7016 $0.00 7,016.0000 51,970,000 9999.99% 0.01%
May 18, 2023 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Director S Common Stock 4519 $44.01 4,163.0000 51,970,000 52.05% 0.01%
May 15, 2023 Amphastar Pharmaceuticals, Inc. $AMPH Deflin Gayle Director S Common Stock 1500 $43.15 8,682.0000 51,970,000 14.73% 0.00%