GLENBROOK CAPITAL MANAGEMENT
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.
| Ticker | Date | Trades | Span | Shares | Amount |
|---|---|---|---|---|---|
| SNES | 2026-08-06 → 2026-08-07 | 2 | 2d | 21.490 | $28K |
| SNES | 2026-07-20 | 1 | 1d | 35.000 | $52K |
| SNES | 2026-06-17 → 2026-06-30 | 7 | 14d | 68.680 | $105K |
| SNES | 2026-06-04 → 2026-06-08 | 3 | 5d | 28.389 | $46K |
| SNES | 2026-05-14 → 2026-05-18 | 3 | 5d | 32.120 | $53K |
| SNES | 2026-04-28 | 1 | 1d | 3000 | $4K |
| SNES | 2026-03-13 → 2026-03-17 | 3 | 5d | 171.034 | $330K |
| SNES | 2026-02-11 → 2026-02-19 | 6 | 9d | 117.247 | $257K |
Purchase history
Later sales by the same insider on the same ticker — realized gain vs average buy price. Empty = position still held.
| Date | Ticker | Role | Shares | Avg price | Amount | Sales | Avg sell price | Gain % |
|---|---|---|---|---|---|---|---|---|
| 2026-08-07 | SNES | 10% Owner | 6490 | $1.30 | $8K | — | — | — |
| 2026-08-06 | SNES | 10% Owner | 15.000 | $1.30 | $19K | — | — | — |
| 2026-07-20 | SNES | 10% Owner | 35.000 | $1.47 | $52K | — | — | — |
| 2026-06-30 | SNES | 10% Owner | 35.000 | $1.51 | $53K | — | — | — |
| 2026-06-29 | SNES | 10% Owner | 5172 | $1.52 | $8K | — | — | — |
| 2026-06-26 | SNES | 10% Owner | 6812 | $1.56 | $11K | — | — | — |
| 2026-06-25 | SNES | 10% Owner | 9442 | $1.53 | $14K | — | — | — |
| 2026-06-24 | SNES | 10% Owner | 3990 | $1.55 | $6K | — | — | — |
| 2026-06-22 | SNES | 10% Owner | 5000 | $1.66 | $8K | — | — | — |
| 2026-06-17 | SNES | 10% Owner | 3264 | $1.61 | $5K | — | — | — |
| 2026-06-08 | SNES | 10% Owner | 7000 | $1.61 | $11K | — | — | — |
| 2026-06-05 | SNES | 10% Owner | 13.159 | $1.57 | $21K | — | — | — |
| 2026-06-04 | SNES | 10% Owner | 8230 | $1.65 | $14K | — | — | — |
| 2026-05-18 | SNES | 10% Owner | 10.000 | $1.59 | $16K | — | — | — |
| 2026-05-15 | SNES | 10% Owner | 7120 | $1.65 | $12K | — | — | — |
| 2026-05-14 | SNES | 10% Owner | 15.000 | $1.72 | $26K | — | — | — |
| 2026-04-28 | SNES | 10% Owner | 3000 | $1.47 | $4K | — | — | — |
| 2026-03-17 | SNES | 10% Owner | 19.725 | $1.79 | $35K | — | — | — |
| 2026-03-16 | SNES | 10% Owner | 5060 | $1.86 | $9K | — | — | — |
| 2026-03-13 | SNES | 10% Owner | 146.249 | $1.95 | $285K | — | — | — |
| 2026-02-19 | SNES | 10% Owner | 34.613 | $2.40 | $83K | — | — | — |
| 2026-02-18 | SNES | 10% Owner | 10.481 | $2.29 | $24K | — | — | — |
| 2026-02-17 | SNES | 10% Owner | 40.807 | $2.29 | $93K | — | — | — |
| 2026-02-13 | SNES | 10% Owner | 15.390 | $1.89 | $29K | — | — | — |
| 2026-02-12 | SNES | 10% Owner | 7956 | $1.72 | $14K | — | — | — |