sec filings
Insider trades
Open-market buys and sales that company insiders report to the SEC on .
Side
Planned sales
Role
AMPH
Updated 10/6/2026, 10:27 AM ET.
| Stock | Side | Value | Insider | Shares | Avg price | Filed | Tags | Filing |
|---|---|---|---|---|---|---|---|---|
| AMPH Amphastar Pharmaceuticals, Inc. | Sale | $103,475 | PETERS WILLIAM J CFO, EVP & TREASURER, Director | 4,139 sh | at $25.00 | Filed Sep 23, 6:02 PM ET | Filing | |
| AMPH Amphastar Pharmaceuticals, Inc. | Sale | $239,404 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | 10,000 sh | at $23.94 | Filed Sep 17, 6:19 PM ET | Filing | |
| AMPH Amphastar Pharmaceuticals, Inc. | Sale | $75,306 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | 3,187 sh | at $23.63 | Filed Sep 3, 7:42 PM ET | Filing | |
| AMPH Amphastar Pharmaceuticals, Inc. | Sale | $161,852 | PRINS RICHARD K Director | 7,973 sh | at $20.30 | Filed Aug 12, 6:14 PM ET | Filing | |
| AMPH Amphastar Pharmaceuticals, Inc. | Sale | $183,886 | PETERS WILLIAM J CFO, EVP & TREASURER, Director | 8,180 sh | at $22.48 | Filed Aug 11, 4:57 PM ET | Filing |