GLENBROOK CAPITAL MANAGEMENT
SEC insider (Form 3/4/5 filer). CIK 0001273782. 10% Owner at SenesTech, Inc. (SNES). 36 reported Form 4/5 transactions since Sep 2024; latest on Oct 22, 2026. Located in MINDEN, NV.
Companies GLENBROOK CAPITAL MANAGEMENT has filed insider reports for
- SenesTech, Inc. (SNES): 10% Owner
GLENBROOK CAPITAL MANAGEMENT
CIK: 0001273782
Transaction Breakdown
Open Market Buys (P)36 (100.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
SNES
SenesTech, Inc.
10% Owner
Discretionary Trading P&L
Holdings
Transaction History (36 total)
- Oct 22, 2026SNES
SenesTech, Inc.
PurchaseIndirect7.5K shares at avg. $0.80$6K - Oct 21, 2026SNES
SenesTech, Inc.
PurchaseIndirect60K shares at avg. $0.74$44K - Oct 20, 2026SNES
SenesTech, Inc.
PurchaseIndirect36.4K shares at avg. $0.67$25K - Oct 19, 2026SNES
SenesTech, Inc.
PurchaseIndirect376.6K shares at avg. $0.70$265K - Oct 16, 2026SNES
SenesTech, Inc.
PurchaseIndirect181.3K shares at avg. $0.63$114K - Oct 15, 2026SNES
SenesTech, Inc.
PurchaseIndirect426K shares at avg. $0.77$327K - Aug 7, 2026SNES
SenesTech, Inc.
PurchaseIndirect6.5K shares at avg. $1.30$8K - Aug 6, 2026SNES
SenesTech, Inc.
PurchaseIndirect15K shares at avg. $1.30$19K - Jul 20, 2026SNES
SenesTech, Inc.
PurchaseIndirect35K shares at avg. $1.47$52K - Jun 30, 2026SNES
SenesTech, Inc.
PurchaseIndirect35K shares at avg. $1.51$53K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 22, 2026 | SNES SenesTech, Inc. | Purchase | 7,500 | $0.80 | $5,990 | Indirect |
| Oct 21, 2026 | SNES SenesTech, Inc. | Purchase | 60,000 | $0.74 | $44,310 | Indirect |
| Oct 20, 2026 | SNES SenesTech, Inc. | Purchase | 36,375 | $0.67 | $24,539 | Indirect |
| Oct 19, 2026 | SNES SenesTech, Inc. | Purchase | 376,552 | $0.70 | $264,942 | Indirect |
| Oct 16, 2026 | SNES SenesTech, Inc. | Purchase | 181,252 | $0.63 | $113,989 | Indirect |
| Oct 15, 2026 | SNES SenesTech, Inc. | Purchase | 426,000 | $0.77 | $327,125 | Indirect |
| Aug 7, 2026 | SNES SenesTech, Inc. | Purchase | 6,490 | $1.30 | $8,422 | Indirect |
| Aug 6, 2026 | SNES SenesTech, Inc. | Purchase | 15,000 | $1.30 | $19,443 | Indirect |
| Jul 20, 2026 | SNES SenesTech, Inc. | Purchase | 35,000 | $1.47 | $51,569 | Indirect |
| Jun 30, 2026 | SNES SenesTech, Inc. | Purchase | 35,000 | $1.51 | $52,731 | Indirect |
1-10 of 36 transactions