SenesTech, Inc. (SNES) Insider Trading
Over the last 3 months, SNES insiders made 16 open-market buys and 0 sales, a net purchase of $163K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 6 institutions increased and 4 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
16
Sells (3m)
0
Net (3m)
$162.7K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Nov
Feb
Mar
Apr
May
Jun
Context3-month price -9.1%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 29, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 9,442 | $1.53 |
| Jun 29, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 6,812 | $1.56 |
| Jun 29, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 5,172 | $1.52 |
| Jun 29, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 3,990 | $1.55 |
| Jun 22, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 3,264 | $1.61 |
| Jun 22, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 5,000 | $1.66 |
| Jun 17, 2026 | Grandinetti Phillip Nicholas IIIdirector | Grant | 100,000 | $1.65 |
| Jun 17, 2026 | Szot Matthew Kdirector | Grant | 100,000 | $1.65 |
| Jun 17, 2026 | CHESTERMAN THOMAS Cofficer: CFO & Treasurer | Grant | 75,000 | $1.65 |
| Jun 17, 2026 | Morrison Jamie Bechteldirector | Grant | 100,000 | $1.65 |
| Jun 17, 2026 | Graham Lynn Yakodirector | Grant | 100,000 | $1.65 |
| Jun 17, 2026 | Moss Joshua Matthewdirector | Grant | 100,000 | $1.65 |
| Jun 17, 2026 | Leach Jacob Stevendirector | Grant | 100,000 | $1.65 |
| Jun 15, 2026 | Edell Michaeldirector, officer: Chief Executive Officer | Grant | 263,288 | $1.47 |
| Jun 9, 2026 | Edell Michaeldirector, officer: Chief Executive Officer | Buy | 1,000 | $1.55 |
| Jun 8, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 13,159 | $1.57 |
| Jun 8, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 7,000 | $1.61 |
| Jun 8, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 8,230 | $1.65 |
| May 18, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 7,120 | $1.65 |
| May 18, 2026 | Edell Michaeldirector, officer: Chief Executive Officer | Buy | 2,000 | $1.70 |
| May 18, 2026 | Edell Michaeldirector, officer: Chief Executive Officer | Buy | 1,000 | $1.61 |
| May 18, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 15,000 | $1.72 |
| May 18, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 10,000 | $1.59 |
| Apr 30, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 3,000 | $1.47 |
| Mar 17, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 5,060 | $1.86 |
| Mar 17, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 19,725 | $1.79 |
| Mar 17, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 146,249 | $1.95 |
| Feb 19, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 40,807 | $2.29 |
| Feb 19, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 34,613 | $2.40 |
| Feb 19, 2026 | GLENBROOK CAPITAL MANAGEMENT10 percent owner | Buy | 10,481 | $2.29 |
Source: SNES SEC Form 4 filings, latest Jun 29, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SNES positions over the last 6 months (SEC Form 13F).
Increased
6
New positions
4
Reduced
4
Sold out
8
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | Increased | 219K | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 114K | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 86K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 63K | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 32K | May 8, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | Increased | 26K | May 11, 2026 |
| XTX Topco Ltd | Reduced | 21K | May 15, 2026 |
| UBS Group AG | Increased | 21K | May 5, 2026 |
| DIVERSIFY WEALTH MANAGEMENT, LLC | New Position | 19K | May 1, 2026 |
| JANE STREET GROUP, LLC | Increased | 17K | May 12, 2026 |
| STATE STREET CORP | Unchanged | 17K | May 15, 2026 |
| CITADEL ADVISORS LLC | Reduced | 11K | May 15, 2026 |
| TWO SIGMA SECURITIES, LLC | New Position | 11K | May 15, 2026 |
| OSAIC HOLDINGS, INC. | Increased | 5K | May 15, 2026 |
| MORGAN STANLEY | Reduced | 3K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.