AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q3 2025
Shares 8,968 Value ($000) $239 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 11,790 Value ($000) $271 Avg Close $24.82 Range $22.64 - $29.27
Q1 2025
Shares 8,206 Value ($000) $238 Avg Close $31.94 Range $25.89 - $39.01
Q4 2024
Shares 8,215 Value ($000) $305 Avg Close $45.73 Range $36.48 - $53.96
Q3 2024
Shares 7,854 Value ($000) $377 Avg Close $43.89 Range $36.56 - $50.62
Q2 2024
Shares 7,654 Value ($000) $316 Avg Close $41.44 Range $38.43 - $46.62
Q1 2024
Shares 7,646 Value ($000) $340 Avg Close $51.65 Range $42.16 - $65.92
Q4 2023
Shares 7,446 Value ($000) $467 Avg Close $52.53 Range $43.79 - $63.67
Q3 2023
Shares 7,992 Value ($000) $374 Avg Close $54.55 Range $44.86 - $67.66
Q2 2023
Shares 8,536 Value ($000) $494 Avg Close $44.33 Range $35.62 - $58.70
Q1 2023
Shares 8,738 Value ($000) $334 Avg Close $32.78 Range $27.58 - $38.22
Q4 2022
Shares 7,414 Value ($000) $213 Avg Close $29.04 Range $26.76 - $31.64
Q3 2022
Shares 6,816 Value ($000) $222 Avg Close $32.65 Range $27.10 - $39.07
Q2 2022
Shares 6,495 Value ($000) $223 Avg Close $35.69 Range $28.64 - $44.46
Q1 2022
Shares 13,029 Value ($000) $477 Avg Close $28.36 Range $22.07 - $37.16
Q4 2021
Shares 12,658 Value ($000) $298 Avg Close $20.45 Range $18.12 - $23.85
Q3 2021
Shares 14,317 Value ($000) $279 Avg Close $19.59 Range $17.56 - $21.63
Q2 2021
Shares 15,868 Value ($000) $331 Avg Close $18.84 Range $16.91 - $20.94
Q1 2021
Shares 11,569 Value ($000) $205 Avg Close $18.59 Range $17.11 - $20.93
Q4 2020
Shares 11,132 Value ($000) $217 Avg Close $19.46 Range $17.51 - $21.38
Q3 2020
Shares 132,595 Value ($000) $2,680 Avg Close $20.14 Range $17.83 - $22.69
Q2 2020
Shares 137,002 Value ($000) $2,853 Avg Close $18.31 Range $14.00 - $22.50
Q1 2020
Shares 116,732 Value ($000) $1,724 Avg Close $17.40 Range $12.33 - $20.40
Q4 2019
Shares 122,074 Value ($000) $2,355 Avg Close $19.18 Range $16.71 - $20.89
Q3 2019
Shares 57,700 Value ($000) $1,144 Avg Close $20.83 Range $18.66 - $22.85
Q2 2019
Shares 4,923 Value ($000) $104 Avg Close $20.90 Range $18.60 - $23.06
Q1 2019
Shares 2,134 Value ($000) $43 Avg Close $22.40 Range $19.32 - $25.43
Q4 2018
Shares 2,445 Value ($000) $49 Avg Close $19.71 Range $17.71 - $22.74
Q3 2018
Shares 2,184 Value ($000) $42 Avg Close $17.82 Range $15.04 - $19.50
Q2 2018
Shares 2,191 Value ($000) $33 Avg Close $17.48 Range $14.40 - $19.94
Q1 2018
Shares 1,867 Value ($000) $35 Avg Close $18.80 Range $16.76 - $20.45
Q4 2017
Shares 4,867 Value ($000) $93 Avg Close $18.67 Range $17.00 - $19.95
Q3 2017
Shares 69,649 Value ($000) $1,245 Avg Close $16.45 Range $14.53 - $18.67
Q2 2017
Shares 69,649 Value ($000) $1,244 Avg Close $15.86 Range $13.15 - $17.95
Q1 2017
Shares 6,148 Value ($000) $89 Avg Close $15.72 Range $12.05 - $19.64
Q4 2016
Shares 182,305 Value ($000) $3,696 Avg Close $19.45 Range $16.87 - $21.75
Q3 2016
Shares 83,120 Value ($000) $1,577 Avg Close $18.15 Range $15.62 - $21.53
Q2 2016
Shares 18,120 Value ($000) $292 Avg Close $14.11 Range $11.41 - $16.78
Q1 2016
Shares 5,956 Value ($000) $71 Avg Close $11.79 Range $10.50 - $14.18
Q4 2015
Shares 4,700 Value ($000) $67 Avg Close $13.21 Range $10.57 - $15.84
Q3 2015
Shares 21,172 Value ($000) $248 Avg Close $15.00 Range $10.61 - $18.30
Q2 2015
Shares 17,292 Value ($000) $304 Avg Close $15.59 Range $13.55 - $18.25
Q1 2015
Shares 10,886 Value ($000) $163 Avg Close $13.37 Range $11.12 - $15.79
Q4 2014
Shares 2,000 Value ($000) $23 Avg Close $10.89 Range $9.76 - $12.46
Q3 2014
Shares 2,000 Value ($000) $23 Avg Close $10.42 Range $8.32 - $12.52