Desrosier Thomas has been a registered insider at 3 firms since 2008.
As an Officer at Seres Therapeutics, Desrosier Thomas last made a transaction on 8/17/2026.
As a Legal Officer at Cubist Pharmaceuticals, Inc., Desrosier Thomas last made a transaction on 1/21/2015.
As a General Counsel at Genzyme Corporation, Desrosier Thomas last made a transaction on 5/25/2010.
InsiderInsights.com Purchase Scorecard
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Transaction Date
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Nq |
Hit
Rate
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Mean
Return
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Median
Return
|
Range of
Returns
|
Time From
Purchases
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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
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|
Transaction Date
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Nq |
Hit
Rate
|
Mean
Return
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Median
Return
|
Range of
Returns
|
Time From
Sales
|
Nq |
Hit
Rate
|
Mean
Return
|
Median
Return
|
Range of
Returns
|
| 11 |
55% |
836% |
-7% |
4,130 |
1 Year |
11 |
0% |
-- |
-- |
-- |
| 12 |
58% |
629% |
-14% |
3,433 |
9 Month |
12 |
0% |
-- |
-- |
-- |
| 13 |
69% |
315% |
-27% |
2,132 |
6 Month |
13 |
0% |
-- |
-- |
-- |
| 14 |
57% |
58% |
-6% |
894 |
3 Month |
14 |
0% |
-- |
-- |
-- |
| 15 |
53% |
-4% |
-3% |
72 |
1 Month |
15 |
0% |
-- |
-- |
-- |
| 15 |
47% |
-0% |
1% |
59 |
1 Week |
15 |
0% |
-- |
-- |
-- |
| Scorecards Updated 9/15/2026 11:08 AM EST |
Latest Transaction Date: |
8/17/2026 |
| Average days between Transaction and Entered Dates: |
2 |
InsiderInsights.com Purchase Scorecard
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Transaction Date
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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 Year |
-- |
-- |
-- |
-- |
-- |
| 1 |
0% |
59% |
-- |
-- |
9 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
-3% |
-- |
-- |
6 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
100% |
-0% |
-- |
-- |
3 Month |
1 |
0% |
-- |
-- |
-- |
| 1 |
0% |
3% |
-- |
-- |
1 Month |
1 |
0% |
-- |
-- |
-- |
| 2 |
0% |
2% |
2% |
4 |
1 Week |
2 |
0% |
-- |
-- |
-- |
| Scorecards Updated 9/15/2026 11:08 AM EST |
Latest Transaction Date: |
1/21/2015 |
| 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
|
| -- |
-- |
-- |
-- |
-- |
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% |
-39% |
-- |
-- |
1 Year |
1 |
0% |
-- |
-- |
-- |
| 2 |
50% |
14% |
14% |
74 |
9 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
50% |
17% |
17% |
53 |
6 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
50% |
12% |
12% |
46 |
3 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
50% |
2% |
2% |
10 |
1 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
50% |
2% |
2% |
6 |
1 Week |
2 |
0% |
-- |
-- |
-- |
| Scorecards Updated 9/15/2026 11:08 AM EST |
Latest Transaction Date: |
5/25/2010 |
| Average days between Transaction and Entered Dates: |
1 |
