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has been a registered insider since 2003. As a Director at Spero Therapeutics, last made a transaction on 2/5/2025.

(SPRO)

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 0% -31% -- -- 1 Year 1 0% -- -- --
1 0% -17% -- -- 9 Month 1 0% -- -- --
1 0% -60% -- -- 6 Month 1 0% -- -- --
1 0% -34% -- -- 3 Month 1 0% -- -- --
1 0% -33% -- -- 1 Month 1 0% -- -- --
1 0% -28% -- -- 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
9 44% 0% 16% 154 1 Year 9 0% -- -- --
9 56% -9% -1% 129 9 Month 9 0% -- -- --
10 50% -7% -3% 156 6 Month 10 0% -- -- --
10 40% 9% 8% 97 3 Month 10 0% -- -- --
11 55% 1% -4% 53 1 Month 11 0% -- -- --
11 64% -3% -4% 21 1 Week 11 0% -- -- --
Scorecards Updated 4/10/2025 01:14 PM EST Latest Transaction Date: 2/5/2025
Average days between Transaction and Entered Dates: 2
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