OBERWEIS ASSET MANAGEMENT INC/ – Amphastar Pharmaceuticals, Inc. Transaction History
OBERWEIS ASSET MANAGEMENT INC/ portfolio value:
$2.85M
portfolio value
OBERWEIS ASSET MANAGEMENT INC/ quarter portfolio value change:
-19.23%
quarter
Amphastar Pharmaceuticals, Inc. 13F transactions
| Quarter | Transaction type | Change | Relative change | Absolute change | Change value | Avg. price | Shares |
|---|---|---|---|---|---|---|---|
| Q3 2022 | share | Increase | +467.04% | 83.6K shares | 2.22M | $28.1 | 101.5K |
| Q2 2022 | share | Increase | +32.59% | 4.4K shares | 138K | $34.79 | 17.9K |
| Q1 2022 | share | 0.00% | 0 shares | 171K | $35.9 | 13.5K | |
| Q4 2021 | share | Increase | +27.36% | 2.9K shares | 112K | $23.14 | 13.5K |
| Q3 2021 | share | 0.00% | 0 shares | -12K | $19.01 | 10.6K | |
| Q2 2021 | share | Increase | 0.00% | 10.6K shares | 214K | $20.16 | 10.6K |
| Q1 2017 | share | Decrease | -100.00% | -27.2K shares | -501K | $14.5 | 0 |
| Q4 2016 | share | 0.00% | 0 shares | -15K | $18.42 | 27.2K | |
| Q3 2016 | share | 0.00% | 0 shares | 78K | $18.97 | 27.2K | |
| Q2 2016 | share | Increase | 0.00% | 27.2K shares | 438K | $16.12 | 27.2K |