AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q2 2024
Shares 5,171 Value ($000) $207 Avg Close $41.44 Range $38.43 - $46.62
Q2 2023
Shares 8,868 Value ($000) $510 Avg Close $44.33 Range $35.62 - $58.70
Q1 2023
Shares 7,799 Value ($000) $292 Avg Close $32.78 Range $27.58 - $38.22
Q2 2021
Shares 12,390 Value ($000) $250 Avg Close $18.84 Range $16.91 - $20.94
Q1 2021
Shares 16,077 Value ($000) $295 Avg Close $18.59 Range $17.11 - $20.93
Q4 2020
Shares 21,272 Value ($000) $428 Avg Close $19.46 Range $17.51 - $21.38
Q3 2020
Shares 23,900 Value ($000) $448 Avg Close $20.14 Range $17.83 - $22.69
Q1 2020
Shares 3,134 Value ($000) $47 Avg Close $17.40 Range $12.33 - $20.40
Q4 2019
Shares 1,271 Value ($000) $25 Avg Close $19.18 Range $16.71 - $20.89