Glenbrook Capital Management
CIK: 0001273782
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
SenesTech, Inc.
Discretionary Trading P&L
Holdings
Transaction History (38 total)
- Oct 30, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect2K shares at avg. $1.02$2K - Oct 28, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect28K shares at avg. $0.97$27K - Oct 22, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect7.5K shares at avg. $0.80$6K - Oct 21, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect60K shares at avg. $0.74$44K - Oct 20, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect36.4K shares at avg. $0.67$25K - Oct 19, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect376.6K shares at avg. $0.70$265K - Oct 16, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect181.3K shares at avg. $0.63$114K - Oct 15, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect426K shares at avg. $0.77$327K - Aug 7, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect6.5K shares at avg. $1.30$8K - Aug 6, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect15K shares at avg. $1.30$19K - Jul 20, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect35K shares at avg. $1.47$52K - Jun 30, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect35K shares at avg. $1.51$53K - Jun 29, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect5.2K shares at avg. $1.52$8K - Jun 26, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect6.8K shares at avg. $1.56$11K - Jun 25, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect9.4K shares at avg. $1.53$14K - Jun 24, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect4K shares at avg. $1.55$6K - Jun 22, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect5K shares at avg. $1.66$8K - Jun 17, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect3.3K shares at avg. $1.61$5K - Jun 8, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect7K shares at avg. $1.61$11K - Jun 5, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect13.2K shares at avg. $1.57$21K - Jun 4, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect8.2K shares at avg. $1.65$14K - May 18, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect10K shares at avg. $1.59$16K - May 15, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect7.1K shares at avg. $1.65$12K - May 14, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect15K shares at avg. $1.72$26K - Apr 28, 2026SNES
SenesTech, Inc.
Purchase(P)Indirect3K shares at avg. $1.47$4K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 30, 2026 | SNES SenesTech, Inc. | Purchase(P) | 2,000 | $1.02 | $2,033 | Indirect |
| Oct 28, 2026 | SNES SenesTech, Inc. | Purchase(P) | 28,000 | $0.97 | $27,023 | Indirect |
| Oct 22, 2026 | SNES SenesTech, Inc. | Purchase(P) | 7,500 | $0.80 | $5,990 | Indirect |
| Oct 21, 2026 | SNES SenesTech, Inc. | Purchase(P) | 60,000 | $0.74 | $44,310 | Indirect |
| Oct 20, 2026 | SNES SenesTech, Inc. | Purchase(P) | 36,375 | $0.67 | $24,539 | Indirect |
| Oct 19, 2026 | SNES SenesTech, Inc. | Purchase(P) | 376,552 | $0.70 | $264,942 | Indirect |
| Oct 16, 2026 | SNES SenesTech, Inc. | Purchase(P) | 181,252 | $0.63 | $113,989 | Indirect |
| Oct 15, 2026 | SNES SenesTech, Inc. | Purchase(P) | 426,000 | $0.77 | $327,125 | Indirect |
| Aug 7, 2026 | SNES SenesTech, Inc. | Purchase(P) | 6,490 | $1.30 | $8,422 | Indirect |
| Aug 6, 2026 | SNES SenesTech, Inc. | Purchase(P) | 15,000 | $1.30 | $19,443 | Indirect |
| Jul 20, 2026 | SNES SenesTech, Inc. | Purchase(P) | 35,000 | $1.47 | $51,569 | Indirect |
| Jun 30, 2026 | SNES SenesTech, Inc. | Purchase(P) | 35,000 | $1.51 | $52,731 | Indirect |
| Jun 29, 2026 | SNES SenesTech, Inc. | Purchase(P) | 5,172 | $1.52 | $7,884 | Indirect |
| Jun 26, 2026 | SNES SenesTech, Inc. | Purchase(P) | 6,812 | $1.56 | $10,598 | Indirect |
| Jun 25, 2026 | SNES SenesTech, Inc. | Purchase(P) | 9,442 | $1.53 | $14,435 | Indirect |
| Jun 24, 2026 | SNES SenesTech, Inc. | Purchase(P) | 3,990 | $1.55 | $6,185 | Indirect |
| Jun 22, 2026 | SNES SenesTech, Inc. | Purchase(P) | 5,000 | $1.66 | $8,296 | Indirect |
| Jun 17, 2026 | SNES SenesTech, Inc. | Purchase(P) | 3,264 | $1.61 | $5,268 | Indirect |
| Jun 8, 2026 | SNES SenesTech, Inc. | Purchase(P) | 7,000 | $1.61 | $11,304 | Indirect |
| Jun 5, 2026 | SNES SenesTech, Inc. | Purchase(P) | 13,159 | $1.57 | $20,685 | Indirect |
| Jun 4, 2026 | SNES SenesTech, Inc. | Purchase(P) | 8,230 | $1.65 | $13,547 | Indirect |
| May 18, 2026 | SNES SenesTech, Inc. | Purchase(P) | 10,000 | $1.59 | $15,878 | Indirect |
| May 15, 2026 | SNES SenesTech, Inc. | Purchase(P) | 7,120 | $1.65 | $11,747 | Indirect |
| May 14, 2026 | SNES SenesTech, Inc. | Purchase(P) | 15,000 | $1.72 | $25,862 | Indirect |
| Apr 28, 2026 | SNES SenesTech, Inc. | Purchase(P) | 3,000 | $1.47 | $4,407 | Indirect |
1-25 of 38 transactions
About GLENBROOK CAPITAL MANAGEMENT
GLENBROOK CAPITAL MANAGEMENT (SEC CIK 0001273782) files insider reports with the SEC as 10% Owner of SenesTech, Inc. (SNES).
Signal8 holds 17 ownership filings by GLENBROOK CAPITAL MANAGEMENT (1 Form 3, 16 Form 4), filed between Feb 2, 2026 and Oct 30, 2026. Those filings report 38 transactions, from Jan 30, 2026 to Oct 30, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on GLENBROOK CAPITAL MANAGEMENT's filings is in MINDEN, NV.
Recent filings by GLENBROOK CAPITAL MANAGEMENT
- Oct 30, 2026: Open-market purchase of SNES shares (Form 4, code P).
- Oct 28, 2026: Open-market purchase of SNES shares (Form 4, code P).
- Oct 22, 2026: Open-market purchase of SNES shares (Form 4, code P).
- Oct 21, 2026: Open-market purchase of SNES shares (Form 4, code P).
- Oct 20, 2026: Open-market purchase of SNES shares (Form 4, code P).
Other insiders filing for SenesTech, Inc. (SNES)
- Edell Michael, Chief Executive Officer
- Moss Joshua Matthew, Director
- Grandinetti Phillip Nicholas III, Director
- Leach Jacob Steven, Director
- Szot Matthew K, Director
- CHESTERMAN THOMAS C, CFO & Treasurer