Rong Zhou sold $125K of AMPH

sold $125.22k of AMPH

6,000 shares @ $20.87

Decreased holdings by -6.50%

27th largest trade (out of 114)

Cluster Buy

Trade made by an officer

Part of a cluster of 2 transactions by 2 insiders

Unscheduled trade

57% win rate · +9.7% median edge vs SPY (7 trades, 90-day · small sample)

Price 9% above 200-day moving average

AMPHAmphastar Pharmaceuticals, Inc.

Health CarePharmaceuticals

1D0.00%

1W-0.40%

1M-4.59%

3M-13.78%

6M—

1Y—

Recent insider activity at AMPH