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has been a registered insider at 2 firms since 2017. As a Vice President at Corning Inc., last made a transaction on 2/9/2026. As a Human Resources at Core-Mark Holding Company, Inc., last made a transaction on 1/23/2020.

CORNING INC /NY (GLW)

Titles: VP

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 0% 2% -- -- 1 Week 1 0% -- -- --
Scorecards Updated 3/3/2026 04:38 AM EST Latest Transaction Date: 2/9/2026
Average days between Transaction and Entered Dates:

Core-Mark Holding Company, Inc. (CORE)

Titles: VP,HR

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% -14% -- -- 1 Year 1 0% -- -- --
1 0% -1% -- -- 9 Month 1 0% -- -- --
1 100% 29% -- -- 6 Month 1 0% -- -- --
1 100% 26% -- -- 3 Month 1 0% -- -- --
1 100% 8% -- -- 1 Month 1 0% -- -- --
1 0% -3% -- -- 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 0% 35% -- -- 1 Year 1 0% -- -- --
1 0% 16% -- -- 9 Month 1 0% -- -- --
1 0% 5% -- -- 6 Month 1 0% -- -- --
1 0% 12% -- -- 3 Month 1 0% -- -- --
1 100% -5% -- -- 1 Month 1 0% -- -- --
1 100% -6% -- -- 1 Week 1 0% -- -- --
Scorecards Updated 3/3/2026 04:38 AM EST Latest Transaction Date: 1/23/2020
Average days between Transaction and Entered Dates: 2
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