Mitchell Dean J has been a registered insider at 6 firms since 2003.
As a Director at Praxis Precision Medicines, Inc., Mitchell Dean J last made a transaction on 9/24/2025.
As a Director at Intrexon, Mitchell Dean J last made a transaction on 9/22/2023.
As a Director at ImmunoGen, Inc., Mitchell Dean J last made a transaction on 11/17/2015.
As Chief Executive Officer at Alpharma Inc., Mitchell Dean J last made a transaction on 2/28/2008.
As a Director at MGI PHARMA INC, Mitchell Dean J last made a transaction on 10/3/2005.
Mitchell Dean J has also been considered an insider at 1 other firms since 2003.
InsiderInsights.com Purchase Scorecard
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|
|
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
|
| 2 |
50% |
3217% |
3217% |
6,521 |
1 Year |
2 |
0% |
-- |
-- |
-- |
| 2 |
50% |
1061% |
1061% |
2,203 |
9 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
100% |
37% |
37% |
40 |
6 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
100% |
56% |
56% |
74 |
3 Month |
2 |
0% |
-- |
-- |
-- |
| 3 |
100% |
129% |
87% |
271 |
1 Month |
3 |
0% |
-- |
-- |
-- |
| 3 |
67% |
6% |
11% |
18 |
1 Week |
3 |
0% |
-- |
-- |
-- |
InsiderInsights.com Sales Scorecard
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|
|
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
|
| -- |
-- |
-- |
-- |
-- |
1 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
3 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Week |
-- |
-- |
-- |
-- |
-- |
| Scorecards Updated 10/24/2025 01:27 AM EST |
Latest Transaction Date: |
9/24/2025 |
| Average days between Transaction and Entered Dates: |
2 |
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
|
| 5 |
20% |
-32% |
-31% |
110 |
1 Year |
5 |
0% |
-- |
-- |
-- |
| 5 |
60% |
0% |
4% |
114 |
9 Month |
5 |
0% |
-- |
-- |
-- |
| 5 |
60% |
15% |
5% |
150 |
6 Month |
5 |
0% |
-- |
-- |
-- |
| 4 |
25% |
-16% |
-18% |
51 |
3 Month |
4 |
0% |
-- |
-- |
-- |
| 5 |
20% |
-10% |
-10% |
20 |
1 Month |
5 |
0% |
-- |
-- |
-- |
| 5 |
60% |
-1% |
1% |
18 |
1 Week |
5 |
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
|
| -- |
-- |
-- |
-- |
-- |
1 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
3 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Week |
-- |
-- |
-- |
-- |
-- |
| Scorecards Updated 10/24/2025 01:27 AM EST |
Latest Transaction Date: |
9/22/2023 |
| Average days between Transaction and Entered Dates: |
2 |
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
|
| 1 |
0% |
-84% |
-- |
-- |
1 Year |
1 |
0% |
-- |
-- |
-- |
| 1 |
0% |
-76% |
-- |
-- |
9 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
0% |
-57% |
-- |
-- |
6 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
0% |
-39% |
-- |
-- |
3 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
5% |
-- |
-- |
1 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
7% |
-- |
-- |
1 Week |
1 |
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
|
| -- |
-- |
-- |
-- |
-- |
1 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
3 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Week |
-- |
-- |
-- |
-- |
-- |
| Scorecards Updated 10/24/2025 01:27 AM EST |
Latest Transaction Date: |
11/17/2015 |
| Average days between Transaction and Entered Dates: |
1 |
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
|
| 3 |
100% |
46% |
46% |
-- |
1 Year |
3 |
100% |
47% |
46% |
1 |
| 3 |
100% |
43% |
43% |
-- |
9 Month |
3 |
100% |
43% |
43% |
1 |
| 3 |
100% |
41% |
41% |
-- |
6 Month |
3 |
100% |
41% |
41% |
1 |
| 3 |
0% |
-2% |
-2% |
-- |
3 Month |
3 |
100% |
1% |
1% |
1 |
| 3 |
100% |
6% |
6% |
-- |
1 Month |
3 |
100% |
2% |
2% |
1 |
| 3 |
100% |
6% |
6% |
-- |
1 Week |
3 |
33% |
-0% |
-0% |
1 |
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
|
| -- |
-- |
-- |
-- |
-- |
1 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
3 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Week |
-- |
-- |
-- |
-- |
-- |
| Scorecards Updated 12/25/2017 10:48 PM EST |
Latest Transaction Date: |
2/28/2008 |
| Average days between Transaction and Entered Dates: |
5 |
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
|
| -- |
-- |
-- |
-- |
-- |
1 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
3 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Week |
-- |
-- |
-- |
-- |
-- |
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
|
| 1 |
100% |
-22% |
-- |
-- |
1 Year |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
-5% |
-- |
-- |
9 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
-26% |
-- |
-- |
6 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
-23% |
-- |
-- |
3 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
-11% |
-- |
-- |
1 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
-10% |
-- |
-- |
1 Week |
1 |
0% |
-- |
-- |
-- |
| Scorecards Updated 10/24/2025 01:27 AM EST |
Latest Transaction Date: |
10/3/2005 |
| Average days between Transaction and Entered Dates: |
2 |
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
|
| -- |
-- |
-- |
-- |
-- |
1 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| 5 |
100% |
1% |
1% |
-- |
3 Month |
5 |
0% |
-- |
-- |
-- |
| 5 |
100% |
9% |
9% |
-- |
1 Month |
5 |
0% |
-- |
-- |
-- |
| 5 |
100% |
4% |
4% |
-- |
1 Week |
5 |
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
|
| -- |
-- |
-- |
-- |
-- |
1 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
3 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Week |
-- |
-- |
-- |
-- |
-- |
| Scorecards Updated 10/24/2025 01:27 AM EST |
Latest Transaction Date: |
4/8/2005 |
| Average days between Transaction and Entered Dates: |
3 |
