AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

ADVISORY RESEARCH INC's Holding History (CIK: 0000902584)

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

Q4 2025
Shares 15,161 Value ($000) $406 Avg Close $25.76 Range $22.94 - $29.00
Q3 2025
Shares 15,468 Value ($000) $412 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 14,898 Value ($000) $342 Avg Close $24.82 Range $22.64 - $29.27
Q1 2025
Shares 13,889 Value ($000) $403 Avg Close $31.94 Range $25.89 - $39.01
Q4 2024
Shares 13,853 Value ($000) $514 Avg Close $45.73 Range $36.48 - $53.96
Q3 2024
Shares 13,810 Value ($000) $670 Avg Close $43.89 Range $36.56 - $50.62
Q2 2024
Shares 14,270 Value ($000) $571 Avg Close $41.44 Range $38.43 - $46.62
Q1 2024
Shares 13,329 Value ($000) $585 Avg Close $51.65 Range $42.16 - $65.92
Q4 2023
Shares 14,174 Value ($000) $877 Avg Close $52.53 Range $43.79 - $63.67
Q3 2023
Shares 14,890 Value ($000) $685 Avg Close $54.55 Range $44.86 - $67.66
Q2 2023
Shares 15,407 Value ($000) $885 Avg Close $44.33 Range $35.62 - $58.70
Q1 2023
Shares 14,779 Value ($000) $554 Avg Close $32.78 Range $27.58 - $38.22
Q3 2022
Shares 15,148 Value ($000) $426 Avg Close $32.65 Range $27.10 - $39.07