αTheAlphaInsider

Jewell Jeffrey A

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
DTM2026-08-0511d145$19K
DTM2026-05-1511d150$22K
DTM2026-02-2511d185$25K
DTM2025-08-0711d150$16K
DTM2025-05-0911d65$7K
DTM2025-03-0311d170$16K
DTM2024-08-0911d200$15K
DTM2024-05-0311d400$25K

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 %
2026-08-05DTMUnknown145$133.78$19K
2026-05-15DTMUnknown150$147.73$22K
2026-02-25DTMUnknown185$136.33$25K
2025-08-07DTMUnknown150$104.38$16K
2025-05-09DTMOfficer(Executive V.P., CFO)65$100.15$7K
2025-03-03DTMOfficer(Executive V.P., CFO)170$96.69$16K
2024-08-09DTMOfficer(Executive V.P., CFO)200$74.22$15K
2024-05-03DTMOfficer(Executive V.P., CFO)400$62.80$25K
2023-11-06DTMOfficer(Executive V.P., CFO)298$56.15$17K
2023-08-04DTMOfficer(Executive V.P., CFO)358$52.18$19K