Zhang Jack Y. has been a registered insider since 2003.
As a Beneficial Owner of 5% or more of a class of the company's shares at Amphastar Pharmaceuticals, Inc., Zhang Jack Y. last made a transaction on 3/17/2025.
InsiderInsights.com Purchase Scorecard
|
|
|
Transaction Date
|
|
Nq |
Hit
Rate
|
Mean
Return
|
Median
Return
|
Range of
Returns
|
Time From
Purchases
|
Nq |
Hit
Rate
|
Mean
Return
|
Median
Return
|
Range of
Returns
|
| 10 |
80% |
12% |
6% |
75 |
1 Year |
10 |
0% |
-- |
-- |
-- |
| 11 |
36% |
2% |
-0% |
81 |
9 Month |
11 |
0% |
-- |
-- |
-- |
| 12 |
50% |
-0% |
-2% |
72 |
6 Month |
12 |
0% |
-- |
-- |
-- |
| 12 |
50% |
0% |
1% |
37 |
3 Month |
12 |
0% |
-- |
-- |
-- |
| 12 |
83% |
5% |
5% |
28 |
1 Month |
12 |
0% |
-- |
-- |
-- |
| 13 |
69% |
2% |
2% |
15 |
1 Week |
13 |
0% |
-- |
-- |
-- |
InsiderInsights.com Sales Scorecard
|
|
|
Transaction Date
|
|
Nq |
Hit
Rate
|
Mean
Return
|
Median
Return
|
Range of
Returns
|
Time From
Sales
|
Nq |
Hit
Rate
|
Mean
Return
|
Median
Return
|
Range of
Returns
|
| 34 |
38% |
12% |
11% |
81 |
1 Year |
34 |
0% |
-- |
-- |
-- |
| 34 |
59% |
-2% |
-3% |
67 |
9 Month |
34 |
0% |
-- |
-- |
-- |
| 34 |
56% |
-3% |
-11% |
62 |
6 Month |
34 |
0% |
-- |
-- |
-- |
| 34 |
56% |
-3% |
-2% |
50 |
3 Month |
34 |
0% |
-- |
-- |
-- |
| 34 |
41% |
1% |
2% |
32 |
1 Month |
34 |
0% |
-- |
-- |
-- |
| 36 |
36% |
2% |
2% |
21 |
1 Week |
36 |
0% |
-- |
-- |
-- |
| Scorecards Updated 4/3/2025 02:35 PM EST |
Latest Transaction Date: |
3/17/2025 |
| Average days between Transaction and Entered Dates: |
2 |
