AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2021

Shares 74,100 Value ($000) $1,358 Avg Close $18.59 Range $17.11 - $20.93

Q4 2020

Shares 80,736 Value ($000) $1,624 Avg Close $19.46 Range $17.51 - $21.38

Q3 2020

Shares 82,336 Value ($000) $1,544 Avg Close $20.14 Range $17.83 - $22.69

Q2 2020

Shares 78,436 Value ($000) $1,762 Avg Close $18.31 Range $14.00 - $22.50

Q1 2020

Shares 79,736 Value ($000) $1,183 Avg Close $17.40 Range $12.33 - $20.40

Q4 2019

Shares 121,702 Value ($000) $2,348 Avg Close $19.18 Range $16.71 - $20.89

Q3 2019

Shares 108,261 Value ($000) $2,147 Avg Close $20.83 Range $18.66 - $22.85

Q2 2019

Shares 68,487 Value ($000) $1,446 Avg Close $20.90 Range $18.60 - $23.06

Q1 2019

Shares 71,540 Value ($000) $1,462 Avg Close $22.40 Range $19.32 - $25.43

Q4 2018

Shares 25,574 Value ($000) $509 Avg Close $19.71 Range $17.71 - $22.74

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	74,100	$1,358	$18.59	$17.11 - $20.93
Q4 2020	80,736	$1,624	$19.46	$17.51 - $21.38
Q3 2020	82,336	$1,544	$20.14	$17.83 - $22.69
Q2 2020	78,436	$1,762	$18.31	$14.00 - $22.50
Q1 2020	79,736	$1,183	$17.40	$12.33 - $20.40
Q4 2019	121,702	$2,348	$19.18	$16.71 - $20.89
Q3 2019	108,261	$2,147	$20.83	$18.66 - $22.85
Q2 2019	68,487	$1,446	$20.90	$18.60 - $23.06
Q1 2019	71,540	$1,462	$22.40	$19.32 - $25.43
Q4 2018	25,574	$509	$19.71	$17.71 - $22.74