Glenbrook Capital Management bought $330k of SNES
owner at SenesTech, Inc.. 171,034 shares at an average of $1.93, traded Mar 13, 2026, filed Mar 17, 2026.
Score components
- +12Role10% owner
- +15Trade size$330k at market
- +6Relative to holdingsHoldings up 24%
- +8Price context69% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- +5Repeat buying5 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
- -5Outside holderA 10% owner who is not an officer or director
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -8.5%, 3m -6.8%, 6m -51.4%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000902664-26-001650, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 13, 2026 | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +146,249 | $1.95 | $285k | 865,850 | Mar 17, 2026 |
| Mar 16, 2026 | POpen-market purchase Common Stockindirect: See footnote | +5,060 | $1.86 | $9,392 | 870,910 | Mar 17, 2026 |
| Mar 17, 2026 | POpen-market purchase Common Stockindirect: See footnote | +19,725 | $1.79 | $35k | 890,635 | Mar 17, 2026 |
Related signals
Other insiders at SenesTech, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 36Weak | SNESbuy SenesTech, Inc. | Michael Edell Chief Executive Officer | $1,289 2,000 shares | +22% | |
| 33Weak | SNESbuy SenesTech, Inc. | Michael Edell Chief Executive Officer | $840 1,000 shares | +13% | |
| 31Weak | SNESbuy SenesTech, Inc. | Michael Edell Chief Executive Officer | $1,740 2,000 shares | +33% | |
| 62Notable | SenesTech, Inc. | Michael Edell Chief Executive Officer | $1,210 1,000 shares | +20% | |
| 38Weak | SenesTech, Inc. | Glenbrook Capital Management owner | $28k 21,490 shares | +2% | |
| 40Moderate | SenesTech, Inc. | Glenbrook Capital Management owner | $52k 35,000 shares | +3% | |
| 62Notable | SenesTech, Inc. | Michael Edell Chief Executive Officer | $1,430 1,000 shares | +25% | |
| 45Moderate | SenesTech, Inc. | Glenbrook Capital Management owner | $53k 35,000 shares | +4% | |
| 34Weak | SenesTech, Inc. | Glenbrook Capital Management owner | $39k 25,416 shares | +3% | |
| 23Weak | SenesTech, Inc. | Glenbrook Capital Management owner | $14k 8,264 shares | +1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.