SNESNasdaqAgricultural ChemicalsFiscal year ends December 31
SenesTech, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$0.70+0.05 (+8.21%)
Close on Oct 19, 2026
- Market cap
- $3.71M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
9.1%
0M of 5M shares
Institutional holders
17
4 new, 2 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
39 buys · 2 sales
Net bought $998.39K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Pfs Cap Mgt Co | 90,507 | 5.20% | 13G (passive) amendment | Mar 31, 2025 |
| PFS Trust | 340,000 | 9.99% | 13G (passive) amendment | Jun 30, 2025 |
| Glenbrook Capital Management | 1,057,804 | 19.95% | 13D (active) | Jul 22, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of SNES | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Sabby Management, LLC | 141,756 | 2.61% | $211.22K | −76,777 | 0.19% |
| Renaissance Technologies LLC | 82,616 | 1.52% | $123.10K | −31,384 | 0.00% |
| Citadel Advisors LLC | 46,671 | 0.86% | $69.54K | +35,352 | 0.00% |
| Geode Capital Management, LLC | 44,339 | 0.82% | $66.06K | −18,767 | 0.00% |
| Vanguard Capital Management LLC | 34,762 | 0.64% | $51.80K | −8,103 | 0.00% |
| Vanguard Fiduciary Trust Co | 26,594 | 0.49% | $39.63K | −5,100 | 0.00% |
| Essex Investment Management Co LLC | 26,203 | 0.48% | $39.04K | −91 | 0.01% |
| Diversify Wealth Management, LLC | 19,119 | 0.35% | $25.43K | – | 0.00% |
| Diversify Advisory Services, LLC | 19,119 | 0.35% | $25.43K | New | 0.00% |
| Northern Trust Corp | 17,587 | 0.32% | $26.21K | New | 0.00% |
| State Street Corp | 16,662 | 0.31% | $24.83K | – | 0.00% |
| XTX Topco Ltd | 10,308 | 0.19% | $15.36K | −10,753 | 0.00% |
| Morgan Stanley | 3,400 | 0.06% | $5.07K | – | 0.00% |
| UBS Group AG | 1,307 | 0.02% | $1.95K | −19,582 | 0.00% |
| Osaic Holdings, Inc. | 1,000 | 0.02% | $1.49K | −4,000 | 0.00% |
| Barclays PLC | 106 | 0.00% | $158 | New | 0.00% |
| Caitong International Asset Management Co., Ltd | 13 | 0.00% | $19 | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 17 | 0M | 9.1% | 4 / 1 | 9 / 2 | 0M | 0M |
| Q1 2026 | 15 | 1M | 11.5% | 4 / 6 | 4 / 8 | 0M | 0M |
| Q4 2025 | 20 | 1M | 14.7% | 5 / 7 | 7 / 2 | 0M | 0M |
| Q3 2025 | 17 | 0M | 8.6% | 11 / 6 | 0 / 2 | 0M | 0M |
| Q2 2025 | 8 | 0M | 1.8% | 5 / 2 | 1 / 0 | 0M | 0M |
| Q1 2025 | 3 | 0M | 0.1% | 0 / 2 | 0 / 2 | 0M | 0M |
| Q4 2024 | 5 | 0M | 0.1% | 2 / 1 | 1 / 2 | 0M | 0M |
| Q3 2024 | 5 | 0M | 1.1% | 5 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of SNES | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Extended Market Index Fund | 41,132 | 0.76% | $71.16K | 0.00% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 34,762 | 0.64% | $51.80K | 0.00% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 7,176 | 0.13% | $12.41K | 0.00% | May 31, 2026 |
| Fidelity Total Market Index Fund | 891 | 0.02% | $1.54K | 0.00% | May 31, 2026 |
| State Street Balanced Index Fund | 652 | 0.01% | $971 | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Michael Edell | Chief Executive Officer, Director | 11,000 | 0.20% | Sep 29, 2026 |
| Thomas C. Chesterman | CFO & Treasurer | 9,876 | 0.18% | Jun 17, 2026 |
| Jamie Bechtel Morrison | Director | 2,812 | 0.05% | Jun 17, 2026 |
| Matthew K. Szot | Director | 4,658 | 0.09% | Jun 17, 2026 |
| Jacob Steven Leach | Director | 0 | – | Jun 17, 2026 |
| Lynn Yako Graham | Director | 0 | – | Jun 17, 2026 |
| Phillip Nicholas Grandinetti III | Director | – | – | Jun 17, 2026 |
| Joshua Matthew Moss | Director | 0 | – | Jun 17, 2026 |
| Capital Management Glenbrook | 10% owner | 1,079,294 | 19.90% | Aug 10, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Michael Edell Chief Executive Officer, Director | Sep 28, 2026 | Buy | +2,000 | $0.64 | $1.28K | 11,000 |
| Michael Edell Chief Executive Officer, Director | Sep 14, 2026 | Buy | +1,000 | $0.84 | $840 | 9,000 |
| Michael Edell Chief Executive Officer, Director | Sep 9, 2026 | Buy | +1,000 | $0.85 | $850 | 8,000 |
| Michael Edell Chief Executive Officer, Director | Sep 9, 2026 | Buy | +1,000 | $0.89 | $890 | 7,000 |
| Michael Edell Chief Executive Officer, Director | Aug 14, 2026 | Buy | +1,000 | $1.21 | $1.21K | 6,000 |
| Capital Management Glenbrook 10% owner | Aug 7, 2026 | Buy | +6,490 | $1.30 | $8.44K | 1,079,294 |
| Capital Management Glenbrook 10% owner | Aug 6, 2026 | Buy | +15,000 | $1.30 | $19.50K | 1,072,804 |
| Capital Management Glenbrook 10% owner | Jul 20, 2026 | Buy | +35,000 | $1.47 | $51.45K | 1,057,824 |
| Michael Edell Chief Executive Officer, Director | Jul 7, 2026 | Buy | +1,000 | $1.43 | $1.43K | 5,000 |
| Capital Management Glenbrook 10% owner | Jun 30, 2026 | Buy | +35,000 | $1.51 | $52.85K | 1,022,824 |
| Capital Management Glenbrook 10% owner | Jun 29, 2026 | Buy | +5,172 | $1.52 | $7.86K | 987,824 |
| Capital Management Glenbrook 10% owner | Jun 26, 2026 | Buy | +6,812 | $1.56 | $10.63K | 982,652 |
| Capital Management Glenbrook 10% owner | Jun 25, 2026 | Buy | +9,442 | $1.53 | $14.45K | 975,840 |
| Capital Management Glenbrook 10% owner | Jun 24, 2026 | Buy | +3,990 | $1.55 | $6.18K | 966,398 |
| Capital Management Glenbrook 10% owner | Jun 22, 2026 | Buy | +5,000 | $1.66 | $8.30K | 962,408 |
| Capital Management Glenbrook 10% owner | Jun 17, 2026 | Buy | +3,264 | $1.61 | $5.26K | 957,408 |
| Michael Edell Chief Executive Officer, Director | Jun 8, 2026 | Buy | +1,000 | $1.55 | $1.55K | 4,000 |
| Capital Management Glenbrook 10% owner | Jun 8, 2026 | Buy | +7,000 | $1.61 | $11.27K | 954,144 |
| Capital Management Glenbrook 10% owner | Jun 5, 2026 | Buy | +13,159 | $1.57 | $20.66K | 947,144 |
| Capital Management Glenbrook 10% owner | Jun 4, 2026 | Buy | +8,230 | $1.65 | $13.58K | 933,985 |
| Capital Management Glenbrook 10% owner | May 18, 2026 | Buy | +10,000 | $1.59 | $15.90K | 925,755 |
| Capital Management Glenbrook 10% owner | May 15, 2026 | Buy | +7,120 | $1.65 | $11.75K | 915,755 |
| Michael Edell Chief Executive Officer, Director | May 15, 2026 | Buy | +1,000 | $1.62 | $1.62K | 3,000 |
| Capital Management Glenbrook 10% owner | May 14, 2026 | Buy | +15,000 | $1.72 | $25.80K | 908,635 |
| Michael Edell Chief Executive Officer, Director | May 14, 2026 | Buy | +2,000 | $1.70 | $3.40K | 2,000 |
| Capital Management Glenbrook 10% owner | Apr 28, 2026 | Buy | +3,000 | $1.47 | $4.41K | 893,635 |
| Capital Management Glenbrook 10% owner | Mar 17, 2026 | Buy | +19,725 | $1.79 | $35.31K | 890,635 |
| Capital Management Glenbrook 10% owner | Mar 16, 2026 | Buy | +5,060 | $1.86 | $9.41K | 870,910 |
| Capital Management Glenbrook 10% owner | Mar 13, 2026 | Buy | +146,249 | $1.95 | $285.19K | 865,850 |
| Capital Management Glenbrook 10% owner | Feb 19, 2026 | Buy | +34,613 | $2.40 | $83.07K | 704,211 |
| Capital Management Glenbrook 10% owner | Feb 18, 2026 | Buy | +10,481 | $2.29 | $24.00K | 669,598 |
| Capital Management Glenbrook 10% owner | Feb 17, 2026 | Buy | +40,807 | $2.29 | $93.45K | 659,117 |
| Capital Management Glenbrook 10% owner | Feb 13, 2026 | Buy | +15,390 | $1.89 | $29.09K | 633,700 |
| Capital Management Glenbrook 10% owner | Feb 12, 2026 | Buy | +7,956 | $1.72 | $13.68K | 618,310 |
| Capital Management Glenbrook 10% owner | Feb 11, 2026 | Buy | +8,000 | $1.73 | $13.84K | 610,354 |
| Capital Management Glenbrook 10% owner | Feb 5, 2026 | Buy | +2,884 | $1.77 | $5.10K | 602,354 |
| Capital Management Glenbrook 10% owner | Feb 4, 2026 | Buy | +5,685 | $1.82 | $10.35K | 599,470 |
| Capital Management Glenbrook 10% owner | Feb 2, 2026 | Buy | +42,739 | $1.98 | $84.62K | 593,785 |
| Capital Management Glenbrook 10% owner | Jan 30, 2026 | Buy | +5,399 | $1.87 | $10.10K | 551,046 |
| Jacob Steven Leach Director | Nov 18, 2025 | Sale | −62 | $2.71 | $168 | 0 |
| Matthew K. Szot Director | Nov 14, 2025 | Sale | −1 | $2.75 | $3 | 0 |
| Joel Lee Fruendt Chief Executive Officer, Director | Dec 14, 2022 | Award | +18,799 | – | – | 18,800 |
| Joel Lee Fruendt Chief Executive Officer, Director | Dec 14, 2022 | Award | +18,797 | – | – | 18,798 |
| Jacob Steven Leach Director | Aug 18, 2021 | Buy | +50,000 | $1.54 | $77.00K | 150,000 |
| Jacob Steven Leach Director | Aug 17, 2021 | Buy | +50,000 | $1.50 | $75.00K | 100,000 |
| Jacob Steven Leach Director | Aug 16, 2021 | Buy | +50,000 | $1.54 | $77.00K | 50,000 |
| Kim Patrice Wolin EVP & Secretary | Apr 29, 2021 | Option exercise | +30,738 | – | – | 36,601 |
| Kim Patrice Wolin EVP & Secretary | Apr 29, 2021 | Tax withholding | −10,454 | $1.66 | $17.35K | 26,147 |
| Marc Dumont Director | Jun 18, 2020 | Option exercise | +564 | – | – | 1,337 |
| Jamie Bechtel Morrison Director | Jun 18, 2020 | Option exercise | +1,198 | – | – | 2,812 |
| Delphine Francois Chiavarini Director | Jun 18, 2020 | Option exercise | +846 | – | – | 1,314 |
| Julia Ann Williams Director | Jun 18, 2020 | Option exercise | +423 | – | – | 8,162 |
| Matthew K. Szot Director | Jun 18, 2020 | Option exercise | +846 | – | – | 4,658 |
| Loretta Powers Mayer Chief Scientific Officer, Director | Oct 21, 2019 | Sale(10b5-1 plan) | −6,000 | $0.83 | $4.98K | 335,165 |
| Cheryl Ann Dyer Pres. & Chief Research Officer | Oct 2, 2019 | Sale(10b5-1 plan) | −6,000 | $0.93 | $5.58K | 370,091 |
| Cheryl Ann Dyer Pres. & Chief Research Officer | Oct 2, 2019 | Gift | −50,000 | – | – | 320,091 |
| Loretta Powers Mayer Chief Scientific Officer, Director | Aug 27, 2019 | Gift | −30,000 | – | – | 341,165 |
| Loretta Powers Mayer Chief Scientific Officer, Director | Aug 15, 2019 | Sale | −20,000 | $1.19 | $23.80K | 371,165 |
| Cheryl Ann Dyer Pres. & Chief Research Officer | Aug 15, 2019 | Sale | −20,000 | $1.21 | $24.20K | 376,091 |
| Loretta Powers Mayer Chief Scientific Officer, Director | Aug 14, 2019 | Sale | −20,000 | $1.24 | $24.80K | 391,165 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.