AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

GLOBEFLEX CAPITAL L P's Holding History (CIK: 0000921531)

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

Q3 2024

Shares 1,210 Value ($000) $59 Avg Close $43.89 Range $36.56 - $50.62

Q2 2024

Shares 51 Value ($000) $2 Avg Close $41.44 Range $38.43 - $46.62

Q1 2024

Shares 2,356 Value ($000) $103 Avg Close $51.65 Range $42.16 - $65.92

Q4 2023

Shares 2,356 Value ($000) $146 Avg Close $52.53 Range $43.79 - $63.67

Q3 2023

Shares 2,356 Value ($000) $108 Avg Close $54.55 Range $44.86 - $67.66

Q2 2023

Shares 2,356 Value ($000) $135 Avg Close $44.33 Range $35.62 - $58.70

Q1 2023

Shares 89,192 Value ($000) $3,345 Avg Close $32.78 Range $27.58 - $38.22

Q4 2022

Shares 66,122 Value ($000) $1,853 Avg Close $29.04 Range $26.76 - $31.64

Q3 2022

Shares 72,253 Value ($000) $2,030 Avg Close $32.65 Range $27.10 - $39.07

Q2 2022

Shares 72,253 Value ($000) $2,514 Avg Close $35.69 Range $28.64 - $44.46

Q1 2022

Shares 72,300 Value ($000) $2,596 Avg Close $28.36 Range $22.07 - $37.16

Q4 2021

Shares 72,346 Value ($000) $1,685 Avg Close $20.45 Range $18.12 - $23.85

Q3 2021

Shares 16,457 Value ($000) $313 Avg Close $19.59 Range $17.56 - $21.63

Q2 2021

Shares 16,457 Value ($000) $332 Avg Close $18.84 Range $16.91 - $20.94

Q3 2020

Shares 21,594 Value ($000) $405 Avg Close $20.14 Range $17.83 - $22.69

Q2 2020

Shares 21,594 Value ($000) $485 Avg Close $18.31 Range $14.00 - $22.50

Q1 2017

Shares 2,430 Value ($000) $35 Avg Close $15.72 Range $12.05 - $19.64

Q4 2016

Shares 50,686 Value ($000) $934 Avg Close $19.45 Range $16.87 - $21.75

Q3 2016

Shares 12,086 Value ($000) $229 Avg Close $18.15 Range $15.62 - $21.53

Q2 2016

Shares 12,086 Value ($000) $195 Avg Close $14.11 Range $11.41 - $16.78

Q1 2016

Shares 12,086 Value ($000) $145 Avg Close $11.79 Range $10.50 - $14.18

Q4 2015

Shares 12,086 Value ($000) $172 Avg Close $13.21 Range $10.57 - $15.84

Q1 2015

Shares 48 Value ($000) $1 Avg Close $13.37 Range $11.12 - $15.79

Q4 2014

Shares 66 Value ($000) $1 Avg Close $10.89 Range $9.76 - $12.46

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	1,210	$59	$43.89	$36.56 - $50.62
Q2 2024	51	$2	$41.44	$38.43 - $46.62
Q1 2024	2,356	$103	$51.65	$42.16 - $65.92
Q4 2023	2,356	$146	$52.53	$43.79 - $63.67
Q3 2023	2,356	$108	$54.55	$44.86 - $67.66
Q2 2023	2,356	$135	$44.33	$35.62 - $58.70
Q1 2023	89,192	$3,345	$32.78	$27.58 - $38.22
Q4 2022	66,122	$1,853	$29.04	$26.76 - $31.64
Q3 2022	72,253	$2,030	$32.65	$27.10 - $39.07
Q2 2022	72,253	$2,514	$35.69	$28.64 - $44.46
Q1 2022	72,300	$2,596	$28.36	$22.07 - $37.16
Q4 2021	72,346	$1,685	$20.45	$18.12 - $23.85
Q3 2021	16,457	$313	$19.59	$17.56 - $21.63
Q2 2021	16,457	$332	$18.84	$16.91 - $20.94
Q3 2020	21,594	$405	$20.14	$17.83 - $22.69
Q2 2020	21,594	$485	$18.31	$14.00 - $22.50
Q1 2017	2,430	$35	$15.72	$12.05 - $19.64
Q4 2016	50,686	$934	$19.45	$16.87 - $21.75
Q3 2016	12,086	$229	$18.15	$15.62 - $21.53
Q2 2016	12,086	$195	$14.11	$11.41 - $16.78
Q1 2016	12,086	$145	$11.79	$10.50 - $14.18
Q4 2015	12,086	$172	$13.21	$10.57 - $15.84
Q1 2015	48	$1	$13.37	$11.12 - $15.79
Q4 2014	66	$1	$10.89	$9.76 - $12.46