# Glenbrook Capital Management: insider transactions

SEC CIK 1273782. Roles and transactions as reported on Form 4. Latest Form 4 filed 2026-10-22.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [SenesTech, Inc.](/companies/snes.md) | 10% owner | 3 | 2026-10-20 | 2026-10-22 |

## Transactions: 3

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-22 | [SenesTech, Inc.](/companies/snes.md) | Purchase (P) | 7,500 | $0.7986 | $6.0k | [Form 4](/filings/0000902664-26-004257.md) |
| 2026-10-21 | [SenesTech, Inc.](/companies/snes.md) | Purchase (P) | 60,000 | $0.7385 | $44.3k | [Form 4](/filings/0000902664-26-004257.md) |
| 2026-10-20 | [SenesTech, Inc.](/companies/snes.md) | Purchase (P) | 36,375 | $0.6746 | $24.5k | [Form 4](/filings/0000902664-26-004257.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 30, 2026, 13:09 ET. No prices; not investment advice.