InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (6 ops.)
Insider track record
CFODisclosed buys
0
Disclosed sells
6
T+90 hit rate
69%
T+90 mean return
+28.3%
Across 16 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by PETERS WILLIAM J, Chief Financial Officer. Director active across 2 companies, notably Amphastar Pharmaceuticals, Inc.. Aggregated, 52 reports have been logged. Split: 0 buy · 6 sells. Total volume traded: €964k. History available since 19 May 2021. The latest transaction was disclosed on 6 March 2026 (Retenue fiscale). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations52 total
2,146 shares@ US$19.340.0029% mcap1.1% of flowCommon StockSEC:0001263136-26-000006:0
273 shares@ US$24.790.2% of flowCommon StockSEC:0001415889-25-013821:0
1,968 shares@ US$26.661.4% of flowCommon StockSEC:0001415889-25-008497:0
36,747 shares0Common StockSEC:0001415889-25-007791:0
2,141 shares@ US$28.321.7% of flowCommon StockSEC:0001415889-25-007542:0
7,490 shares@ US$13.352.9% of flowCommon StockSEC:0001415889-25-007241:0
7,426 shares@ US$13.032.6% of flowCommon StockSEC:0001415889-24-026465:0
10,282 shares@ US$20.235.8% of flowCommon StockSEC:0001415889-24-020626:0
2,961 shares@ US$40.84673.4% of flowCommon StockSEC:0001415889-24-018417:0
387 shares@ US$43.480.5% of flowCommon StockSEC:0001415889-24-014009:0
2,285 shares@ US$43.052.7% of flowCommon StockSEC:0001415889-24-008592:0
8,826 shares@ US$11.332.8% of flowCommon StockSEC:0001415889-24-007367:0
19,440 shares0Common StockSEC:0001415889-24-007087:0
21,250 shares@ US$20.2312.0% of flowCommon StockSEC:0001104659-23-119090:0
10,000 shares@ US$19.795.5% of flowCommon StockSEC:0001104659-23-099294:0
36,868 shares@ US$19.7920.0% of flowCommon StockSEC:0001104659-23-072866:0
11,000 shares@ US$13.354.1% of flowCommon StockSEC:0001104659-23-068098:0
10,500 shares@ US$13.353.9% of flowCommon StockSEC:0001104659-23-063261:0
5,632 shares@ US$13.352.1% of flowCommon StockSEC:0001104659-23-046897:0
5,632 shares@ US$42.356.5% of flowCommon StockSEC:0001104659-23-046897:1
4,868 shares@ US$13.351.8% of flowCommon StockSEC:0001104659-23-045713:0
10,032 shares@ US$13.353.7% of flowCommon StockSEC:0001104659-23-044690:0
4,995 shares@ US$37.605.3% of flowCommon StockSEC:0001104659-23-034574:0
6,688 shares@ US$14.952.8% of flowCommon StockSEC:0001104659-23-034071:0
23,925 shares0Common StockSEC:0001104659-23-030133:0
25 of 52 declarations
About PETERS WILLIAM J
William J Peters is an executive at Amphastar Pharmaceuticals, Inc.
