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SCHEDULE 13D/A
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0001731122-26-001384
Stake: 40.51%
Shares: 2,196,973
CUSIP: 81720R604
Class: Common Stock, par value $0.001 per share
Composite Decision Signal · PASS (LOW BASE-RATE EDGE)
Conviction Score: 27/100
- Active Schedule 13D filer baseline
- High conviction ownership stake (40.5%)
- Short interest building (+14.3% vs prior settlement)
Item 4 — Purpose of Transaction
Item 4 is hereby amended and supplemented by adding the following: In April 2026, the Reporting Person commissioned, at its expense, a strategic study of the rodent control market by Sandstrom Partners, Inc. ("Sandstrom"), the results of which were presented to the Board. On October 28, 2026, the Issuer announced that it had engaged Sandstrom as a strategic advisor on marketing and branding. The Reporting Person holds a minority ownership interest in Sandstrom.
Cross-References
Insider Activity (last 365d)
9 transactions
9 buys · 0 sales · 0 awards/exercises
Issuer Cluster
6 13D/G filings on this issuer
5 other filings besides this one
Filer Track Record
4 filings by this filer
3 other filings in the data moat
Short Interest · settle 2026-10-15
DTC 1.00
31,293 shares short · +14.3% vs prior
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
|---|
| 2026-10-30 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
2,000 |
$1.02 |
$2K |
| 2026-10-28 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
28,000 |
$0.97 |
$27K |
| 2026-10-22 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
7,500 |
$0.80 |
$6K |
| 2026-10-21 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
60,000 |
$0.74 |
$44K |
| 2026-10-20 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
36,375 |
$0.67 |
$25K |
| 2026-06-29 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
5,172 |
$1.52 |
$8K |
| 2026-06-26 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
6,812 |
$1.56 |
$11K |
| 2026-06-25 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
9,442 |
$1.53 |
$14K |
| 2026-06-24 |
GLENBROOK CAPITAL MANAGEMENT |
10%+ owner |
Buy |
3,990 |
$1.55 |
$6K |
Other 13D/G Filings on SenesTech, Inc.
| Filed | Form | Filer | Stake | Shares | |
|---|
| 2026-10-26 |
SCHEDULE 13D |
LeBeau Justin Michael |
5.40% |
294,773 |
view → |
| 2026-10-22 |
SCHEDULE 13D/A |
GLENBROOK CAPITAL MANAGEMENT |
39.95% |
2,166,973 |
view → |
| 2026-10-19 |
SCHEDULE 13D/A |
GLENBROOK CAPITAL MANAGEMENT |
38.04% |
2,063,098 |
view → |
| 2026-07-23 |
SCHEDULE 13D |
GLENBROOK CAPITAL MANAGEMENT |
— |
1,057,804 |
view → |
| 2018-01-09 |
SC |
SABBY MANAGEMENT, LLC |
— |
— |
view → |
Other Filings by GLENBROOK CAPITAL MANAGEMENT
| Filed | Form | Issuer | Stake | Shares | |
|---|
| 2026-10-22 |
SCHEDULE 13D/A |
SenesTech, Inc. |
39.95% |
2,166,973 |
view → |
| 2026-10-19 |
SCHEDULE 13D/A |
SenesTech, Inc. |
38.04% |
2,063,098 |
view → |
| 2026-07-23 |
SCHEDULE 13D |
SenesTech, Inc. |
— |
1,057,804 |
view → |
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