Back to Trades
PETERS WILLIAM J
InsiderCIK 0001263136
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 4
- Buy transactions
- 0
- Sell transactions
- 1
- Companies
- 1
- Active
- 2026
Across 4 filings between 2026, PETERS WILLIAM J has disclosed $2.8M in transactions — all concentrated in Amphastar Pharmaceuticals, Inc. (AMPH). Their disclosed trades are heavily weighted toward selling — $0 in buys and $183.9K in sells. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
4 loaded
| Aug 11 | AMPH Amphastar Pharmaceuticals, Inc. | PETERS WILLIAM J | Insider | Sell | $183.9K |
| Mar 17 | AMPH Amphastar Pharmaceuticals, Inc. | PETERS WILLIAM J | Insider | Tax withheld | $35.9K |
| Mar 11 | AMPH Amphastar Pharmaceuticals, Inc. | PETERS WILLIAM J | Insider | Grant | $2.4M |
| Mar 10 | AMPH Amphastar Pharmaceuticals, Inc. | PETERS WILLIAM J | Insider | Tax withheld | $41.5K |
4 filings