InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
3
T+90 hit rate
0%
T+90 mean return
-5.7%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Deflin Gayle, Director. Insider active across 2 companies, notably Amphastar Pharmaceuticals, Inc.. Aggregated, 9 filings have been recorded. Split: 0 buy · 3 sells. Total volume traded: €460k. Activity tracked since 7 June 2021. The latest transaction was filed on 1 June 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations9 total
8,143 shares0Common StockSEC:0001866024-26-000003:0
3,076 shares0Common StockSEC:0001415889-24-015656:0
4,163 shares@ US$55.4546.9% of flowCommon StockSEC:0001104659-23-118693:0
2,716 shares0Common StockSEC:0001104659-23-068974:0
4,519 shares@ US$44.011640.1% of flowCommon StockSEC:0001104659-23-062798:0
1,500 shares@ US$43.151812.9% of flowCommon StockSEC:0001104659-23-061819:0
4,163 shares0Common StockSEC:0001104659-22-071075:0
6,019 shares0Common StockSEC:0001104659-21-078408:0
6,019 shares0Common StockSEC:0001104659-21-078408
9 of 9 declarations
About Deflin Gayle
Deflin Gayle serves as a Board Member at Amphastar Pharmaceuticals, Inc. She contributes to corporate governance by participating in strategy development and overseeing company performance. Her experience in the pharmaceutical sector allows her to provide valuable insights to the board.
