AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025
Shares 36,796 Value ($000) $1 Avg Close $25.76 Range $22.94 - $29.00
Q3 2025
Shares 275,222 Value ($000) $7 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 273,288 Value ($000) $6 Avg Close $24.82 Range $22.64 - $29.27
Q1 2025
Shares 541,221 Value ($000) $16 Avg Close $31.94 Range $25.89 - $39.01
Q4 2024
Shares 566,656 Value ($000) $21 Avg Close $45.73 Range $36.48 - $53.96
Q3 2024
Shares 568,894 Value ($000) $28 Avg Close $43.89 Range $36.56 - $50.62
Q2 2024
Shares 583,906 Value ($000) $23 Avg Close $41.44 Range $38.43 - $46.62
Q1 2024
Shares 584,544 Value ($000) $26 Avg Close $51.65 Range $42.16 - $65.92
Q4 2023
Shares 586,957 Value ($000) $36 Avg Close $52.53 Range $43.79 - $63.67
Q3 2023
Shares 569,712 Value ($000) $26 Avg Close $54.55 Range $44.86 - $67.66
Q2 2023
Shares 506,308 Value ($000) $29 Avg Close $44.33 Range $35.62 - $58.70
Q1 2023
Shares 468,420 Value ($000) $18 Avg Close $32.78 Range $27.58 - $38.22
Q4 2022
Shares 789,170 Value ($000) $22 Avg Close $29.04 Range $26.76 - $31.64
Q3 2022
Shares 808,731 Value ($000) $22,727 Avg Close $32.65 Range $27.10 - $39.07
Q2 2022
Shares 162,814 Value ($000) $5,664 Avg Close $35.69 Range $28.64 - $44.46