Glenbrook Capital Management is 10% Owner at SenesTech, Inc. (SNES). They have made 15 open-market trades across 2 companies since 2018, most recently 2026-08-07.
CIK 0001273782
15 open-market purchases totalling $1.8M since 2018, never a sale. Across 13 scored buys the stock is down 26.0% at ninety days, and 31.9 points behind the S&P over the same stretch.
15 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| SNES | 1,079,294 | $674K |
| EAST | 683,524 | $606K |
| Total | $1.3M |
Shares reported on the most recent Form 4, priced at the 2026-08-10 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 40% | 33% | 8% |
| Avg Move | +1.1% | -7.4% | -26.0% |
| Alpha | +1.1% | -7.8% | -31.9% |
| Scored | 15 | 15 | 13 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SNES | BUY | 2026-08-06 | 2026-08-10 | $1.30 | $28K | +0.0% | -31.4% | — |
| SNES | BUY | 2026-07-20 | 2026-07-22 | $1.47 | $52K | +5.5% | -15.2% | — |
| SNES | BUY | 2026-06-30 | 2026-07-02 | $1.51 | $53K | -7.2% | +0.7% | -55.4% |
| SNES | BUY | 2026-06-24 | 2026-06-29 | $1.54 | $39K | -4.8% | -12.4% | -54.8% |
| SNES | BUY | 2026-06-17 | 2026-06-22 | $1.64 | $14K | -10.2% | -18.7% | -51.6% |
| SNES | BUY | 2026-06-04 | 2026-06-08 | $1.60 | $46K | -0.6% | -16.4% | -46.7% |
| SNES | BUY | 2026-05-14 | 2026-05-18 | $1.67 | $53K | +10.7% | +3.6% | -23.0% |
| SNES | BUY | 2026-04-28 | 2026-04-30 | $1.47 | $4K | +11.4% | +14.8% | -14.8% |
| SNES | BUY | 2026-03-13 | 2026-03-17 | $1.93 | $660K | -11.2% | -12.2% | -11.2% |
| SNES | BUY | 2026-02-17 | 2026-02-19 | $2.33 | $201K | -11.0% | -25.2% | -27.6% |
| SNES | BUY | 2026-02-11 | 2026-02-13 | $1.81 | $57K | +11.8% | -8.8% | -15.2% |
| SNES | BUY | 2026-02-04 | 2026-02-06 | $1.80 | $15K | +21.8% | +7.6% | +0.5% |
| SNES | BUY | 2026-01-30 | 2026-02-03 | $1.97 | $95K | +8.1% | +14.6% | -20.0% |
| EAST | BUY | 2018-12-12 | 2018-12-14 | $6.11 | $117K | -2.6% | -1.8% | -5.6% |
| EAST | BUY | 2018-06-19 | 2018-06-21 | $7.60 | $385K | -5.7% | -9.5% | -12.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.