AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2025

Shares 14,630 Value ($000) $390 Avg Close $25.82 Range $20.39 - $31.26

Q2 2025

Shares 14,630 Value ($000) $336 Avg Close $24.82 Range $22.64 - $29.27

Q4 2024

Shares 90,484 Value ($000) $3,360 Avg Close $45.73 Range $36.48 - $53.96

Q3 2024

Shares 81,184 Value ($000) $3,940 Avg Close $43.89 Range $36.56 - $50.62

Q2 2024

Shares 9,702 Value ($000) $388 Avg Close $41.44 Range $38.43 - $46.62

Q2 2022

Shares 54,804 Value ($000) $1,907 Avg Close $35.69 Range $28.64 - $44.46

Q1 2022

Shares 34,389 Value ($000) $1,235 Avg Close $28.36 Range $22.07 - $37.16

Q4 2021

Shares 33,459 Value ($000) $779 Avg Close $20.45 Range $18.12 - $23.85

Q3 2021

Shares 27,537 Value ($000) $523 Avg Close $19.59 Range $17.56 - $21.63

Q2 2015

Shares 20,650 Value ($000) $363 Avg Close $15.59 Range $13.55 - $18.25

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	14,630	$390	$25.82	$20.39 - $31.26
Q2 2025	14,630	$336	$24.82	$22.64 - $29.27
Q4 2024	90,484	$3,360	$45.73	$36.48 - $53.96
Q3 2024	81,184	$3,940	$43.89	$36.56 - $50.62
Q2 2024	9,702	$388	$41.44	$38.43 - $46.62
Q2 2022	54,804	$1,907	$35.69	$28.64 - $44.46
Q1 2022	34,389	$1,235	$28.36	$22.07 - $37.16
Q4 2021	33,459	$779	$20.45	$18.12 - $23.85
Q3 2021	27,537	$523	$19.59	$17.56 - $21.63
Q2 2015	20,650	$363	$15.59	$13.55 - $18.25