AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Quantbot Technologies LP's Holding History (CIK: 0001512991)

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

Q4 2025
Shares 14,515 Value ($000) $389 Avg Close $25.76 Range $22.94 - $29.00
Q3 2025
Shares 29,763 Value ($000) $793 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 60,955 Value ($000) $1,400 Avg Close $24.82 Range $22.64 - $29.27
Q1 2025
Shares 21,109 Value ($000) $612 Avg Close $31.94 Range $25.89 - $39.01
Q4 2024
Shares 25,454 Value ($000) $945 Avg Close $45.73 Range $36.48 - $53.96
Q2 2024
Shares 12,430 Value ($000) $497 Avg Close $41.44 Range $38.43 - $46.62
Q1 2024
Shares 10,948 Value ($000) $481 Avg Close $51.65 Range $42.16 - $65.92
Q1 2022
Shares 600 Value ($000) $21 Avg Close $28.36 Range $22.07 - $37.16
Q1 2021
Shares 2,900 Value ($000) $53 Avg Close $18.59 Range $17.11 - $20.93
Q4 2020
Shares 300 Value ($000) $6 Avg Close $19.46 Range $17.51 - $21.38
Q3 2019
Shares 4,500 Value ($000) $89 Avg Close $20.83 Range $18.66 - $22.85
Q2 2019
Shares 5,800 Value ($000) $122 Avg Close $20.90 Range $18.60 - $23.06
Q4 2016
Shares 127 Value ($000) $2 Avg Close $19.45 Range $16.87 - $21.75
Q3 2016
Shares 7,360 Value ($000) $139 Avg Close $18.15 Range $15.62 - $21.53
Q2 2015
Shares 1,300 Value ($000) $22 Avg Close $15.59 Range $13.55 - $18.25