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SenesTech
Evolve and ContraPest rodent fertility-control baits.
$1.09
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At close$1.09(−0.91%)
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Breakdown13F · Form 4
Institutions 11.72%621.5K sharesInsiders 0.11%6.0K sharesOther 88.17%4.68M shares
Shares outstanding 5.30M · Float 4.01M · 75.6% free float
A Form 4 total here can count shares the filer formally disclaims — an award voted by proxy, for instance — which the holder's own Schedule 13D/G excludes, so where the two disagree the schedule's smaller figure is used.
Institutions13F, as of Mar 31, 2026
15 holders · 621.5K shares · 4 new positions · 10 increased · 4 reduced · 9 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Sabby Management, LLC | 218.5K | 4.12% | +8.0K | May 15, 2026 |
| Renaissance Technologies LLC | 114.0K | 2.15% | −28.8K | May 14, 2026 |
| Geode Capital Management, LLC | 63.1K | 1.19% | +26.3K | May 15, 2026 |
| Vanguard Capital Management LLC | 42.9K | 0.81% | +42.9Knew | May 15, 2026 |
| Vanguard Fiduciary Trust Co | 31.7K | 0.60% | +31.7Knew | May 8, 2026 |
| Essex Investment Management Co LLC | 26.3K | 0.50% | +4.0K | May 11, 2026 |
| XTX Topco Ltd | 21.1K | 0.40% | −4.2K | May 15, 2026 |
| UBS Group AG | 20.9K | 0.39% | +19.5K | May 5, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Glenbrook Capital Management | 19.95% | 1.06M | 13D | Jul 23, 2026 ↗ |
| PFS Cap Mgt Co | 9.99% | 340.0K | 13G | Aug 12, 2025 ↗ |
| PFS Trustincl. PFS Cap Mgt Co | 9.99% | 95.0K | 13G | Nov 12, 2024 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Glenbrook Capital Management | 10 percent owner | 1.06M | 19.95% | Aug 10, 2026 |
| Michael Edell | director, officer: Chief Executive Officer | 6.0K | 0.11% | Aug 17, 2026 |
1 ten-percent owner holds 1.06M shares by Form 4 — the 13D/G table above shows that stake, the figure above counts officers and directors only · 13 people have not refiled in the last 18 months (209 shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 14, 2026 | Michael Edelldirector, officer: Chief Executive Officer | Purchase | 1,000 | $1.21 | 6,000 |
| Aug 7, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 6,490 | $1.30 | 1,079,294 |
| Aug 6, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 15,000 | $1.30 | 1,072,804 |
| Jul 20, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 35,000 | $1.47 | 1,057,824 |
| Jul 7, 2026 | Michael Edelldirector, officer: Chief Executive Officer | Purchase | 1,000 | $1.43 | 5,000 |
| Jun 30, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 35,000 | $1.51 | 1,022,824 |
| Jun 24, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 3,990 | $1.55 | 966,398 |
| Jun 25, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 9,442 | $1.53 | 975,840 |
| Jun 26, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 6,812 | $1.56 | 982,652 |
| Jun 29, 2026 | Glenbrook Capital Management10 percent owner | Purchase | 5,172 | $1.52 | 987,824 |
CongressHouse and Senate disclosures
Not reported.