GLENBROOK CAPITAL MANAGEMENT
Known title: 10% OwnerCIK: 0001273782
GLENBROOK CAPITAL MANAGEMENT's purchase track record
How the stock did after each of GLENBROOK CAPITAL MANAGEMENT's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
4
of 11 since January 30, 2026
Stock higher 6 months later
0%
3 months: 11%
Median 6-month return
-37.8%
3 months: -25.4%
Beat the S&P 500
0%
median -49.3% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 8/6/2026 | SNES | $28K | pending | pending | — |
| 7/20/2026 | SNES | $52K | pending | pending | — |
| 6/25/2026 | SNES | $86K | -52.2% | pending | — |
| 6/17/2026 | SNES | $20K | -49.3% | pending | — |
| 6/4/2026 | SNES | $46K | -37.0% | pending | — |
| 5/14/2026 | SNES | $53K | -27.0% | pending | — |
| 4/28/2026 | SNES | $4K | -8.2% | pending | — |
| 3/13/2026 | SNES | $330K | -14.1% | -55.2% | +15.4% |
| 2/19/2026 | SNES | $83K | -25.4% | -46.7% | +11.4% |
| 2/11/2026 | SNES | $174K | +1.7% | -28.9% | +11.6% |
| 1/30/2026 | SNES | $110K | -16.0% | -27.0% | +7.9% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| SNES | ▲ Buy | Open Market | 6,490 | $8K | 8/7/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 15,000 | $19K | 8/6/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 35,000 | $52K | 7/20/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 35,000 | $53K | 6/30/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 5,172 | $8K | 6/29/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 6,812 | $11K | 6/26/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 9,442 | $14K | 6/25/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 3,990 | $6K | 6/24/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 5,000 | $8K | 6/22/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 3,264 | $5K | 6/17/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 7,000 | $11K | 6/8/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 13,159 | $21K | 6/5/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 8,230 | $14K | 6/4/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 10,000 | $16K | 5/18/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 7,120 | $12K | 5/15/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 15,000 | $26K | 5/14/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 3,000 | $4K | 4/28/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 19,725 | $35K | 3/17/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 5,060 | $9K | 3/16/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 146,249 | $285K | 3/13/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 34,613 | $83K | 2/19/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 10,481 | $24K | 2/18/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 40,807 | $93K | 2/17/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 15,390 | $29K | 2/13/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 7,956 | $14K | 2/12/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 8,000 | $14K | 2/11/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 2,884 | $5K | 2/5/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 5,685 | $10K | 2/4/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 42,739 | $84K | 2/2/2026 | View on chart |
| SNES | ▲ Buy | Open Market | 5,399 | $10K | 1/30/2026 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 2, 2026
SNES Included in 12 Health Care Stocks Moving in Pre‑Market Session
SenesTech Inc. (SNES) was listed among 12 health‑care names that saw movement in Tuesday’s pre‑market session. The stock experienced a volume spike and is trading near its $1.59 support level, below its 52‑week range. Analysts have a target range of $3.50 to $10.00, with an average of $6.75. The move reflects short‑term interest rather than a fundamental shift.
SNES Included in 12 Health Care Stocks Moving in Pre‑Market Session. SenesTech Inc. (SNES) was listed among 12 health‑care names that saw movement in Tuesday’s pre‑market session. The stock experienced a volume spike and is trading near its $1.59 support level, below its 52‑week range. Analysts have a target range of $3.50 to $10.00, with an average of $6.75. The move reflects short‑term interest rather than a fundamental shift.