αTheAlphaInsider

BLACK DOUG

Outside the top-25 by R-coefficient, but with purchase history.

R-coefficient
skill with Bayesian shrinkage
60d win rate
% of purchases with positive return
Avg 60d return
after their purchases

🧱 Conviction tranches

Repeated purchases of the same stock within ≤5 days — an accumulation pattern.

TickerDateTradesSpanSharesAmount
SITE2026-08-0411d8000$816K
SITE2017-05-2511d6200$315K
SITE2016-12-0611d15.000$492K
SITE2016-05-1711d45.000$945K

Purchase history

Later sales by the same insider on the same ticker — realized gain vs average buy price. Empty = position still held.

DateTickerRoleSharesAvg priceAmountSalesAvg sell priceGain %
2026-08-04SITEDirector, Officer(CEO)8000$102.03$816K0
2017-05-25SITEDirector, Officer(CEO)6200$50.76$315K6200$87.66+72.7%
2016-12-06SITEDirector, Officer(CEO)15.000$32.80$492K15.000$89.20+171.9%
2016-05-17SITEDirector, Officer(CEO)45.000$21.00$945K45.000$75.59+260.0%