Singer David B has been a registered insider at 3 firms since 2003.
As a Director at Churchill Capital Corp X/Cayman, Singer David B last made a transaction on 5/22/2026.
As a Director at Affymetrix, Inc., Singer David B last made a transaction on 10/25/2005.
As a Director at Corcept Therapeutics Incorporated, Singer David B last made a transaction on 12/30/2004.
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 Year |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
9 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
6 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
3 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Month |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
1 Week |
1 |
0% |
-- |
-- |
-- |
| Scorecards Updated 5/28/2026 05:02 AM EST |
Latest Transaction Date: |
5/22/2026 |
| 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
|
| 40 |
5% |
46% |
43% |
151 |
1 Year |
40 |
0% |
-- |
-- |
-- |
| 40 |
10% |
22% |
15% |
124 |
9 Month |
40 |
0% |
-- |
-- |
-- |
| 40 |
43% |
8% |
11% |
95 |
6 Month |
40 |
0% |
-- |
-- |
-- |
| 40 |
53% |
4% |
-2% |
66 |
3 Month |
40 |
0% |
-- |
-- |
-- |
| 40 |
53% |
1% |
-0% |
48 |
1 Month |
40 |
0% |
-- |
-- |
-- |
| 40 |
57% |
-0% |
-1% |
26 |
1 Week |
40 |
0% |
-- |
-- |
-- |
| Scorecards Updated 5/28/2026 05:02 AM EST |
Latest Transaction Date: |
10/25/2005 |
| 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 |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
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
|
| 2 |
100% |
-40% |
-40% |
-- |
1 Year |
2 |
0% |
-- |
-- |
-- |
| 2 |
100% |
-14% |
-14% |
-- |
9 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
100% |
-7% |
-7% |
-- |
6 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
100% |
-38% |
-38% |
-- |
3 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
100% |
-22% |
-22% |
-- |
1 Month |
2 |
0% |
-- |
-- |
-- |
| 2 |
100% |
-3% |
-3% |
-- |
1 Week |
2 |
0% |
-- |
-- |
-- |
| Scorecards Updated 5/28/2026 05:02 AM EST |
Latest Transaction Date: |
12/30/2004 |
| Average days between Transaction and Entered Dates: |
5 |
