INSIDER · CIK 1263136
Peters William J
CFO, EVP & TREASURER, Director at Amphastar Pharmaceuticals, Inc. (AMPH)
↗3 Form 4 rows in the window
Covers original filings from Aug 1, 2026 to Oct 29, 2026. Older trades and amendments are in the SEC history.
$0.00Bought on the market
$287KSold on the market
1Companies
Sep 23, 2026Latest filing
| Company | Title | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 23, 202618:02 | Sep 21, 2026 | AMPHAmphastar Pharmaceuticals, Inc. | CFO, EVP & TREASURER, Director | S · Sell10b5-1 | $25.00 | −4,139 | 168,707 | -2% | −$103K | ||
| Aug 11, 202616:57 | Aug 7, 2026 | AMPHAmphastar Pharmaceuticals, Inc. | CFO, EVP & TREASURER, Director | S · Sell10b5-1 | $22.48 | −8,180 | 172,846 | -5% | −$184K | ||
| Aug 11, 202616:57 | Aug 7, 2026 | AMPHAmphastar Pharmaceuticals, Inc. | CFO, EVP & TREASURER, Director | M · Exercise10b5-1 | $19.79 | +5,053 | 181,026 | +3% | $100K |