Insider · CIK 0001273782
Glenbrook Capital Management
Files at SNES (SenesTech, Inc.). First filing Feb 3, 2026, latest Jun 29, 2026.
Glenbrook Capital Management files SEC Form 4 as 10% owner at SNES (SenesTech, Inc.). Since Feb 3, 2026, Glenbrook Capital Management has reported 10 open-market buys worth $854k and 0 open-market sells worth $0, the latest filed on Jun 29, 2026.
A track record needs three past buys with six months of prices behind them; Glenbrook Capital Management has 0, so none is measured yet.
The newest scored trade: bought $39k of SNES on Jun 24, 2026, filed Jun 29, 2026, scored 34 (weak). In the last 12 months: 10 buys worth $854k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SNES: SenesTech, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 34Weak | SenesTech, Inc. | $39k 25,416 shares | +3% | +10% from low-75% from high | |
| 23Weak | SenesTech, Inc. | $14k 8,264 shares | +1% | +14% from low-74% from high | |
| 34Weak | SenesTech, Inc. | $46k 28,389 shares | +3% | +17% from low-73% from high | |
| 35Weak | SenesTech, Inc. | $53k 32,120 shares | +4% | +22% from low-72% from high | |
| 25Weak | SNESbuy SenesTech, Inc. | $4,407 3,000 shares | +0% | 0% from low-76% from high | |
| 41Moderate | SNESbuy SenesTech, Inc. | $330k 171,034 shares | +24% | +47% from low-69% from high | |
| 35Weak | SNESbuy SenesTech, Inc. | $201k 85,901 shares | +14% | +80% from low-62% from high | |
| 30Weak | SNESbuy SenesTech, Inc. | $57k 31,346 shares | +5% | +36% from low-71% from high | |
| 20Weak | SNESbuy SenesTech, Inc. | $15k 8,569 shares | +1% | +40% from low-70% from high | |
| 28Weak | SNESbuy SenesTech, Inc. | $95k 48,138 shares | +9% | +41% from low-70% from high |
Transactions
Every row this insider has filed, 26 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 24, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +3,990 | $1.55 | $6,185 | 966,398 | Jun 29, 2026 |
| Jun 25, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +9,442 | $1.53 | $14k | 975,840 | Jun 29, 2026 |
| Jun 26, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +6,812 | $1.56 | $11k | 982,652 | Jun 29, 2026 |
| Jun 29, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +5,172 | $1.52 | $7,884 | 987,824 | Jun 29, 2026 |
| Jun 17, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share (Common Stock)indirect: See footnote | +3,264 | $1.61 | $5,268 | 957,408 | Jun 22, 2026 |
| Jun 22, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +5,000 | $1.66 | $8,296 | 962,408 | Jun 22, 2026 |
| Jun 4, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +8,230 | $1.65 | $14k | 933,985 | Jun 8, 2026 |
| Jun 5, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +13,159 | $1.57 | $21k | 947,144 | Jun 8, 2026 |
| Jun 8, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +7,000 | $1.61 | $11k | 954,144 | Jun 8, 2026 |
| May 14, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +15,000 | $1.72 | $26k | 908,635 | May 18, 2026 |
| May 15, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +7,120 | $1.65 | $12k | 915,755 | May 18, 2026 |
| May 18, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +10,000 | $1.59 | $16k | 925,755 | May 18, 2026 |
| Apr 28, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per shareindirect: See footnote | +3,000 | $1.47 | $4,407 | 893,635 | Apr 30, 2026 |
| Mar 13, 2026 | SNES SenesTech, Inc. | 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 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +5,060 | $1.86 | $9,392 | 870,910 | Mar 17, 2026 |
| Mar 17, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +19,725 | $1.79 | $35k | 890,635 | Mar 17, 2026 |
| Feb 17, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +40,807 | $2.29 | $93k | 659,117 | Feb 19, 2026 |
| Feb 18, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +10,481 | $2.29 | $24k | 669,598 | Feb 19, 2026 |
| Feb 19, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +34,613 | $2.40 | $83k | 704,211 | Feb 19, 2026 |
| Feb 11, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +8,000 | $1.73 | $14k | 610,354 | Feb 13, 2026 |
| Feb 12, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +7,956 | $1.72 | $14k | 618,310 | Feb 13, 2026 |
| Feb 13, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +15,390 | $1.89 | $29k | 633,700 | Feb 13, 2026 |
| Feb 4, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +5,685 | $1.82 | $10k | 599,470 | Feb 6, 2026 |
| Feb 5, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +2,884 | $1.77 | $5,106 | 602,354 | Feb 6, 2026 |
| Jan 30, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stock, $0.001 par value per share ("Common Stock")indirect: See footnote | +5,399 | $1.87 | $10k | 551,046 | Feb 3, 2026 |
| Feb 2, 2026 | SNES SenesTech, Inc. | POpen-market purchase Common Stockindirect: See footnote | +42,739 | $1.98 | $84k | 593,785 | Feb 3, 2026 |
Questions about Glenbrook Capital Management
Answered from the filings on this page, as of the latest one.
Is Glenbrook Capital Management buying or selling?
In the last 12 months Glenbrook Capital Management reported 10 open-market buys worth $854k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $39k of SNES on Jun 24, 2026. Grants, option exercises and tax withholding are not counted.
How did Glenbrook Capital Management's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Glenbrook Capital Management has 0.
Where does Glenbrook Capital Management file Form 4?
Glenbrook Capital Management has filed Form 4 at SNES (SenesTech, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.