AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025
Shares 22,977 Value ($000) $1 Avg Close $25.76 Range $22.94 - $29.00
Q3 2025
Shares 23,328 Value ($000) $1 Avg Close $25.82 Range $20.39 - $31.26
Q2 2025
Shares 23,732 Value ($000) $1 Avg Close $24.82 Range $22.64 - $29.27
Q1 2025
Shares 23,866 Value ($000) $1 Avg Close $31.94 Range $25.89 - $39.01
Q4 2024
Shares 23,866 Value ($000) $1 Avg Close $45.73 Range $36.48 - $53.96
Q3 2024
Shares 23,866 Value ($000) $1 Avg Close $43.89 Range $36.56 - $50.62
Q2 2024
Shares 27,980 Value ($000) $1 Avg Close $41.44 Range $38.43 - $46.62
Q1 2024
Shares 30,855 Value ($000) $1 Avg Close $51.65 Range $42.16 - $65.92
Q4 2023
Shares 27,341 Value ($000) $2 Avg Close $52.53 Range $43.79 - $63.67
Q3 2023
Shares 27,541 Value ($000) $1 Avg Close $54.55 Range $44.86 - $67.66
Q2 2023
Shares 27,534 Value ($000) $2 Avg Close $44.33 Range $35.62 - $58.70
Q1 2023
Shares 26,174 Value ($000) $1 Avg Close $32.78 Range $27.58 - $38.22
Q4 2022
Shares 28,387 Value ($000) $1 Avg Close $29.04 Range $26.76 - $31.64
Q3 2022
Shares 28,387 Value ($000) $798 Avg Close $32.65 Range $27.10 - $39.07
Q2 2022
Shares 28,161 Value ($000) $980 Avg Close $35.69 Range $28.64 - $44.46
Q1 2022
Shares 21,459 Value ($000) $770 Avg Close $28.36 Range $22.07 - $37.16
Q4 2021
Shares 20,427 Value ($000) $476 Avg Close $20.45 Range $18.12 - $23.85
Q3 2021
Shares 20,327 Value ($000) $386 Avg Close $19.59 Range $17.56 - $21.63
Q2 2021
Shares 20,327 Value ($000) $410 Avg Close $18.84 Range $16.91 - $20.94
Q1 2021
Shares 20,427 Value ($000) $374 Avg Close $18.59 Range $17.11 - $20.93
Q4 2020
Shares 21,727 Value ($000) $437 Avg Close $19.46 Range $17.51 - $21.38
Q3 2020
Shares 21,727 Value ($000) $407 Avg Close $20.14 Range $17.83 - $22.69
Q2 2020
Shares 23,427 Value ($000) $526 Avg Close $18.31 Range $14.00 - $22.50
Q1 2020
Shares 23,427 Value ($000) $348 Avg Close $17.40 Range $12.33 - $20.40
Q4 2019
Shares 23,427 Value ($000) $452 Avg Close $19.18 Range $16.71 - $20.89
Q3 2019
Shares 14,596 Value ($000) $289 Avg Close $20.83 Range $18.66 - $22.85
Q2 2019
Shares 14,596 Value ($000) $308 Avg Close $20.90 Range $18.60 - $23.06
Q1 2019
Shares 14,596 Value ($000) $298 Avg Close $22.40 Range $19.32 - $25.43
Q4 2018
Shares 14,596 Value ($000) $290 Avg Close $19.71 Range $17.71 - $22.74
Q3 2018
Shares 14,596 Value ($000) $281 Avg Close $17.82 Range $15.04 - $19.50
Q2 2018
Shares 14,596 Value ($000) $223 Avg Close $17.48 Range $14.40 - $19.94
Q1 2018
Shares 14,596 Value ($000) $274 Avg Close $18.80 Range $16.76 - $20.45
Q4 2017
Shares 14,596 Value ($000) $281 Avg Close $18.67 Range $17.00 - $19.95
Q3 2017
Shares 14,596 Value ($000) $261 Avg Close $16.45 Range $14.53 - $18.67
Q2 2017
Shares 14,596 Value ($000) $261 Avg Close $15.86 Range $13.15 - $17.95
Q1 2017
Shares 19,896 Value ($000) $288 Avg Close $15.72 Range $12.05 - $19.64
Q4 2016
Shares 19,896 Value ($000) $366 Avg Close $19.45 Range $16.87 - $21.75
Q3 2016
Shares 13,896 Value ($000) $264 Avg Close $18.15 Range $15.62 - $21.53