AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Advisor OS, LLC's Holding History (CIK: 0001767580)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 25,405 Value ($000) $680 Avg Close $25.76 Range $22.94 - $29.00
Q3 2025
Shares 25,405 Value ($000) $677 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 25,405 Value ($000) $583 Avg Close $24.82 Range $22.64 - $29.27
Q1 2025
Shares 25,405 Value ($000) $736 Avg Close $31.94 Range $25.89 - $39.01
Q4 2024
Shares 25,405 Value ($000) $943 Avg Close $45.73 Range $36.48 - $53.96
Q3 2024
Shares 26,033 Value ($000) $1,263 Avg Close $43.89 Range $36.56 - $50.62
Q2 2024
Shares 26,012 Value ($000) $1,040 Avg Close $41.44 Range $38.43 - $46.62
Q1 2024
Shares 26,939 Value ($000) $1,183 Avg Close $51.65 Range $42.16 - $65.92