Search
InsiderInsights.com

Davidson Spencer (1215920)

Davidson Spencer has been a registered insider at 2 firms since 1998. As Chairman at General American Investors Company, Inc., Davidson Spencer last made a transaction on 10/20/2025. As a Director at Medicis Pharmaceutical Corporation, Davidson Spencer last made a transaction on 5/13/2011.

GENERAL AMERICAN INVESTORS CO INC (GAM)

Titles: CB

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
14 71% 2% 6% 34 1 Year 14 21% 3% 14% 15
14 79% 6% 8% 14 9 Month 14 21% 2% 11% 12
14 71% 2% 4% 20 6 Month 14 21% 1% 8% 8
14 79% 2% 3% 16 3 Month 14 21% 1% 4% 6
14 79% 2% 2% 7 1 Month 14 21% 0% 1% 3
15 80% 1% 1% 6 1 Week 15 20% 0% 2% 2
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
71 42% 1% 2% 40 1 Year 71 0% 0% 12% 12
71 31% 1% 1% 36 9 Month 71 0% 0% 7% 8
71 35% 2% 4% 36 6 Month 71 0% 0% 9% 14
72 32% 1% 2% 24 3 Month 72 1% 0% 3% 6
72 50% 0% 0% 16 1 Month 72 1% -0% -3% 9
72 39% 0% 0% 8 1 Week 72 0% 0% 1% 3
Scorecards Updated 10/24/2025 05:07 PM EST Latest Transaction Date: 10/20/2025
Average days between Transaction and Entered Dates: 2

MEDICIS PHARMACEUTICAL CORP (MRX)

Titles: DIR

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
1 100% 39% -- -- 1 Year 1 0% -- -- --
1 100% 41% -- -- 9 Month 1 0% -- -- --
1 100% 47% -- -- 6 Month 1 0% -- -- --
1 100% 15% -- -- 3 Month 1 0% -- -- --
1 100% 2% -- -- 1 Month 1 0% -- -- --
1 0% -4% -- -- 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
2 50% -5% -5% 13 1 Year 2 0% -- -- --
2 100% -7% -7% 0 9 Month 2 0% -- -- --
2 100% -9% -9% 2 6 Month 2 0% -- -- --
2 0% 4% 4% 4 3 Month 2 0% -- -- --
2 50% 0% 0% 1 1 Month 2 0% -- -- --
2 0% 0% 0% 0 1 Week 2 0% -- -- --
Scorecards Updated 10/24/2025 05:07 PM EST Latest Transaction Date: 5/13/2011
Average days between Transaction and Entered Dates: 6
© 2025 InsiderInsights.com