AMPH
STRONGAmphastar Pharmaceuticals, Inc.
CIK: 0001297184
Sell
(50% confidence)
Last activity: Dec 17, 2025
Financial Metrics
As of Dec 31, 2024 (10-K)
Revenue $498.99M
Net Income $159.52M
Total Cash $221.65M
Insider Roster (3 total, 3 active)
| Insider | Buys | Sells | Net Value | Holdings |
|---|---|---|---|---|
| Zhou Rong SENIOR EVP, PRODUCTION CENTER | 0 | 1 | -$256K | 138,043 shares $3.62M |
| PRINS RICHARD K OTHER | 0 | 1 | -$113K | 35,183 shares $953K |
| Petersen Floyd F. OTHER | 0 | 2 | -$108K | 71,368 shares $1.85M |
Recent Transactions
SELL Zhou Rong (SENIOR EVP, PRODUCTION CENTER)
9,787 shares @ $26.20
$256K
Dec 17, 2025
Conviction: |
View SEC Filing →
SELL Petersen Floyd F. (OTHER)
2,426 shares @ $25.92
$63K
Dec 12, 2025
Conviction: |
View SEC Filing →
SELL Petersen Floyd F. (OTHER)
1,737 shares @ $25.69
$45K
Dec 11, 2025
Conviction: |
View SEC Filing →
SELL PRINS RICHARD K (OTHER)
4,179 shares @ $27.10
$113K
Nov 25, 2025
Conviction: |
View SEC Filing →
⚠️ Important Disclaimer
• This is AI-generated analysis for educational purposes only, not financial advice.
• Insider trading data is derived from SEC Form 4 filings and may contain errors.
• Always conduct your own research and consult qualified financial advisors before making investment decisions.