Glenbrook Capital Management
An insider at 1 company in coverage, as reported on Form 4. SEC CIK 1273782. Latest Form 4 filed Oct 22, 2026.
Roles
As stated on the filings: the relationship to the company and any officer title.
| Company | Role | Transactions | First | Latest |
|---|---|---|---|---|
| SenesTech, Inc.SNES | 10% owner | 3 | 2026-10-20 | 2026-10-22 |
Transactions: 3
Every transaction reported, newest first, including grants, exercises and derivative securities. Purchases and sales (codes P and S) are open-market trades. The reported price is as stated on the form.
What these mean: insiders, Form 4, transaction codes, Rule 10b5-1 plans.
| Date | Company | Transaction | Shares | Reported price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-10-22 | SenesTech, Inc.10% owner | Purchase | 7,500 | $0.7986 | $6.0k | Form 4 |
| 2026-10-21 | SenesTech, Inc.10% owner | Purchase | 60,000 | $0.7385 | $44.3k | Form 4 |
| 2026-10-20 | SenesTech, Inc.10% owner | Purchase | 36,375 | $0.6746 | $24.5k | Form 4 |
Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 30, 2026, 10:34 ET. Listed shows no prices and gives no investment advice.