AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2020
Shares 10,550 Value ($000) $157 Avg Close $17.40 Range $12.33 - $20.40
Q4 2019
Shares 10,550 Value ($000) $204 Avg Close $19.18 Range $16.71 - $20.89
Q3 2019
Shares 10,340 Value ($000) $205 Avg Close $20.83 Range $18.66 - $22.85
Q2 2019
Shares 10,300 Value ($000) $217 Avg Close $20.90 Range $18.60 - $23.06
Q1 2019
Shares 10,120 Value ($000) $207 Avg Close $22.40 Range $19.32 - $25.43
Q4 2018
Shares 10,120 Value ($000) $201 Avg Close $19.71 Range $17.71 - $22.74
Q2 2018
Shares 10,120 Value ($000) $154 Avg Close $17.48 Range $14.40 - $19.94
Q1 2018
Shares 14,140 Value ($000) $265 Avg Close $18.80 Range $16.76 - $20.45
Q4 2017
Shares 13,390 Value ($000) $258 Avg Close $18.67 Range $17.00 - $19.95
Q3 2017
Shares 13,390 Value ($000) $239 Avg Close $16.45 Range $14.53 - $18.67
Q2 2017
Shares 8,430 Value ($000) $151 Avg Close $15.86 Range $13.15 - $17.95
Q1 2017
Shares 8,200 Value ($000) $119 Avg Close $15.72 Range $12.05 - $19.64
Q4 2016
Shares 7,910 Value ($000) $146 Avg Close $19.45 Range $16.87 - $21.75