AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025
Shares 274 Value ($000) $0 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 1,379 Value ($000) $0 Avg Close $24.82 Range $22.64 - $29.27
Q4 2024
Shares 548 Value ($000) $0 Avg Close $45.73 Range $36.48 - $53.96
Q2 2024
Shares 815 Value ($000) $0 Avg Close $41.44 Range $38.43 - $46.62
Q2 2023
Shares 196 Value ($000) $0 Avg Close $44.33 Range $35.62 - $58.70
Q4 2022
Shares 279 Value ($000) $0 Avg Close $29.04 Range $26.76 - $31.64
Q3 2021
Shares 800 Value ($000) $16 Avg Close $19.59 Range $17.56 - $21.63
Q2 2021
Shares 800 Value ($000) $16 Avg Close $18.84 Range $16.91 - $20.94
Q3 2020
Shares 628 Value ($000) $11 Avg Close $20.14 Range $17.83 - $22.69
Q2 2020
Shares 100 Value ($000) $2 Avg Close $18.31 Range $14.00 - $22.50
Q3 2019
Shares 552 Value ($000) $10 Avg Close $20.83 Range $18.66 - $22.85
Q2 2019
Shares 861 Value ($000) $18 Avg Close $20.90 Range $18.60 - $23.06
Q4 2018
Shares 519 Value ($000) $10 Avg Close $19.71 Range $17.71 - $22.74
Q3 2018
Shares 451 Value ($000) $8 Avg Close $17.82 Range $15.04 - $19.50
Q2 2018
Shares 376 Value ($000) $5 Avg Close $17.48 Range $14.40 - $19.94
Q3 2017
Shares 1,975 Value ($000) $35 Avg Close $16.45 Range $14.53 - $18.67
Q2 2017
Shares 2,844 Value ($000) $50 Avg Close $15.86 Range $13.15 - $17.95
Q3 2016
Shares 14,629 Value ($000) $277 Avg Close $18.15 Range $15.62 - $21.53