AMPH

STRONG

Amphastar 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	Sells	Net Value	Holdings
Zhou Rong SENIOR EVP, PRODUCTION CENTER	1	-$256K	138,043 shares $3.62M
PRINS RICHARD K OTHER	1	-$113K	35,183 shares $953K
Petersen Floyd F. OTHER	2	-$108K	71,368 shares $1.85M

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 →

• 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.