αTheAlphaInsider

Beer Marc D

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
BTMD2026-08-10 → 2026-08-1122d131.950$202K
BTMD2025-03-1711d107.794$417K
NERV2017-03-17 → 2017-03-2024d50.000$406K

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 %
2026-08-11BTMDUnknown16.000$1.55$25K
2026-08-10BTMDUnknown115.950$1.53$177K
2025-03-17BTMDUnknown107.794$3.87$417K
2017-03-20NERVDirector25.000$7.89$197K
2017-03-17NERVDirector25.000$8.34$209K