AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025
Shares 1,787 Value ($000) $48 Avg Close $25.76 Range $22.94 - $29.00
Q3 2025
Shares 822 Value ($000) $22 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 3,583 Value ($000) $82 Avg Close $24.82 Range $22.64 - $29.27
Q1 2025
Shares 987 Value ($000) $29 Avg Close $31.94 Range $25.89 - $39.01
Q4 2024
Shares 1,145 Value ($000) $43 Avg Close $45.73 Range $36.48 - $53.96
Q3 2024
Shares 797 Value ($000) $39 Avg Close $43.89 Range $36.56 - $50.62
Q2 2024
Shares 8,458 Value ($000) $338 Avg Close $41.44 Range $38.43 - $46.62
Q1 2024
Shares 1,181 Value ($000) $52 Avg Close $51.65 Range $42.16 - $65.92
Q4 2023
Shares 11,456 Value ($000) $709 Avg Close $52.53 Range $43.79 - $63.67
Q3 2023
Shares 1,165 Value ($000) $54 Avg Close $54.55 Range $44.86 - $67.66
Q2 2023
Shares 1,142 Value ($000) $66 Avg Close $44.33 Range $35.62 - $58.70
Q1 2023
Shares 1,998 Value ($000) $0 Avg Close $32.78 Range $27.58 - $38.22
Q4 2022
Shares 651 Value ($000) $0 Avg Close $29.04 Range $26.76 - $31.64
Q3 2022
Shares 5,143 Value ($000) $144 Avg Close $32.65 Range $27.10 - $39.07
Q2 2022
Shares 2,099 Value ($000) $73 Avg Close $35.69 Range $28.64 - $44.46
Q1 2022
Shares 10,283 Value ($000) $370 Avg Close $28.36 Range $22.07 - $37.16
Q4 2021
Shares 1,087 Value ($000) $25 Avg Close $20.45 Range $18.12 - $23.85
Q3 2021
Shares 4,467 Value ($000) $85 Avg Close $19.59 Range $17.56 - $21.63
Q2 2021
Shares 2,262 Value ($000) $46 Avg Close $18.84 Range $16.91 - $20.94
Q1 2021
Shares 2,310 Value ($000) $42 Avg Close $18.59 Range $17.11 - $20.93
Q4 2020
Shares 1,037 Value ($000) $21 Avg Close $19.46 Range $17.51 - $21.38
Q3 2020
Shares 14,162 Value ($000) $266 Avg Close $20.14 Range $17.83 - $22.69
Q2 2020
Shares 3,929 Value ($000) $88 Avg Close $18.31 Range $14.00 - $22.50
Q1 2019
Shares 505 Value ($000) $10 Avg Close $22.40 Range $19.32 - $25.43
Q2 2018
Shares 2,642 Value ($000) $40 Avg Close $17.48 Range $14.40 - $19.94
Q1 2018
Shares 2,658 Value ($000) $50 Avg Close $18.80 Range $16.76 - $20.45
Q3 2017
Shares 7,623 Value ($000) $136 Avg Close $16.45 Range $14.53 - $18.67
Q1 2017
Shares 2,558 Value ($000) $37 Avg Close $15.72 Range $12.05 - $19.64
Q4 2016
Shares 1,456 Value ($000) $27 Avg Close $19.45 Range $16.87 - $21.75
Q2 2016
Shares 1,123 Value ($000) $18 Avg Close $14.11 Range $11.41 - $16.78
Q1 2016
Shares 800 Value ($000) $10 Avg Close $11.79 Range $10.50 - $14.18
Q2 2015
Shares 2,960 Value ($000) $52 Avg Close $15.59 Range $13.55 - $18.25
Q4 2014
Shares 872 Value ($000) $10 Avg Close $10.89 Range $9.76 - $12.46
Q3 2014
Shares 4,760 Value ($000) $55 Avg Close $10.42 Range $8.32 - $12.52