αTheAlphaInsider

Viana Madeira Andre

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
VALE2026-08-03 → 2026-08-0422d9$133
VALE2026-07-01 → 2026-07-0222d2$30
VALE2026-06-1711d9$144

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 %
2026-08-04VALEDirector4$14.99$60
2026-08-03VALEDirector5$14.63$73
2026-07-02VALEDirector1$15.06$15
2026-07-01VALEDirector1$15.02$15
2026-06-17VALEDirector9$16.00$144