AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Trexquant Investment LP's Holding History (CIK: 0001633445)

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

Q4 2025

Shares 113,673 Value ($000) $3,044 Avg Close $25.76 Range $22.94 - $29.00

Q2 2025

Shares 155,229 Value ($000) $3,564 Avg Close $24.82 Range $22.64 - $29.27

Q1 2025

Shares 91,291 Value ($000) $2,647 Avg Close $31.94 Range $25.89 - $39.01

Q4 2024

Shares 105,528 Value ($000) $3,918 Avg Close $45.73 Range $36.48 - $53.96

Q3 2024

Shares 89,280 Value ($000) $4,333 Avg Close $43.89 Range $36.56 - $50.62

Q2 2024

Shares 105,745 Value ($000) $4,230 Avg Close $41.44 Range $38.43 - $46.62

Q1 2024

Shares 77,725 Value ($000) $3,413 Avg Close $51.65 Range $42.16 - $65.92

Q4 2023

Shares 38,959 Value ($000) $2,410 Avg Close $52.53 Range $43.79 - $63.67

Q2 2023

Shares 10,239 Value ($000) $588 Avg Close $44.33 Range $35.62 - $58.70

Q1 2023

Shares 56,504 Value ($000) $2,119 Avg Close $32.78 Range $27.58 - $38.22

Q4 2022

Shares 36,185 Value ($000) $1,014 Avg Close $29.04 Range $26.76 - $31.64

Q3 2022

Shares 26,482 Value ($000) $744 Avg Close $32.65 Range $27.10 - $39.07

Q2 2022

Shares 31,363 Value ($000) $1,091 Avg Close $35.69 Range $28.64 - $44.46

Q1 2022

Shares 36,405 Value ($000) $1,307 Avg Close $28.36 Range $22.07 - $37.16

Q4 2021

Shares 13,042 Value ($000) $304 Avg Close $20.45 Range $18.12 - $23.85

Q1 2021

Shares 12,503 Value ($000) $229 Avg Close $18.59 Range $17.11 - $20.93

Q2 2020

Shares 23,980 Value ($000) $539 Avg Close $18.31 Range $14.00 - $22.50

Q3 2019

Shares 19,853 Value ($000) $394 Avg Close $20.83 Range $18.66 - $22.85

Q1 2019

Shares 11,754 Value ($000) $240 Avg Close $22.40 Range $19.32 - $25.43

Q1 2017

Shares 10,493 Value ($000) $152 Avg Close $15.72 Range $12.05 - $19.64

Q4 2016

Shares 10,669 Value ($000) $197 Avg Close $19.45 Range $16.87 - $21.75

Q1 2016

Shares 34,093 Value ($000) $409 Avg Close $11.79 Range $10.50 - $14.18

Q4 2015

Shares 32,300 Value ($000) $460 Avg Close $13.21 Range $10.57 - $15.84

Q2 2015

Shares 46,614 Value ($000) $819 Avg Close $15.59 Range $13.55 - $18.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	113,673	$3,044	$25.76	$22.94 - $29.00
Q2 2025	155,229	$3,564	$24.82	$22.64 - $29.27
Q1 2025	91,291	$2,647	$31.94	$25.89 - $39.01
Q4 2024	105,528	$3,918	$45.73	$36.48 - $53.96
Q3 2024	89,280	$4,333	$43.89	$36.56 - $50.62
Q2 2024	105,745	$4,230	$41.44	$38.43 - $46.62
Q1 2024	77,725	$3,413	$51.65	$42.16 - $65.92
Q4 2023	38,959	$2,410	$52.53	$43.79 - $63.67
Q2 2023	10,239	$588	$44.33	$35.62 - $58.70
Q1 2023	56,504	$2,119	$32.78	$27.58 - $38.22
Q4 2022	36,185	$1,014	$29.04	$26.76 - $31.64
Q3 2022	26,482	$744	$32.65	$27.10 - $39.07
Q2 2022	31,363	$1,091	$35.69	$28.64 - $44.46
Q1 2022	36,405	$1,307	$28.36	$22.07 - $37.16
Q4 2021	13,042	$304	$20.45	$18.12 - $23.85
Q1 2021	12,503	$229	$18.59	$17.11 - $20.93
Q2 2020	23,980	$539	$18.31	$14.00 - $22.50
Q3 2019	19,853	$394	$20.83	$18.66 - $22.85
Q1 2019	11,754	$240	$22.40	$19.32 - $25.43
Q1 2017	10,493	$152	$15.72	$12.05 - $19.64
Q4 2016	10,669	$197	$19.45	$16.87 - $21.75
Q1 2016	34,093	$409	$11.79	$10.50 - $14.18
Q4 2015	32,300	$460	$13.21	$10.57 - $15.84
Q2 2015	46,614	$819	$15.59	$13.55 - $18.25