SNES on Nasdaq

SenesTech, Inc.

The abbreviations or acronym defined below are used throughout this Annual Report on Form 10-K:.3 From its latest annual report

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Last updated Oct 19, 2026.

Overview

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  • TickerSNES on Nasdaq1
  • IndustryAgricultural Chemicals1
  • HeadquartersPhoenix, Arizona1
  • Incorporated inDE2
  • Business address777 W. Pinnacle Peak Road, Suite B104, Phoenix, Az 850272
  • Filer categoryNon-accelerated filer, Smaller reporting company2
  • Legal formCorporation

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The abbreviations or acronym defined below are used throughout this Annual Report on Form 10-K:3 From its latest annual report

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2025

62.5%Gross margin4
-292.9%Operating margin4
-287.4%Net margin4
19.6%Revenue growth, 20254
-66.7%Return on equity4
-$5.9MFree cash flow4

Where the money goes

Where each dollar of revenue went, fiscal 2025

  • Cost of revenue33¢$833.0K
  • Research and development67¢$1.7M

Out of $2.2M in revenue.4 The company lost money this year.

Financial statements

Revenue567894$2.2M in 2025+1453% since 2019
0$1.0M$2.0M$3.0M2019: $143.0K$143.0K20192020: $282.0K$282.0K2020+97%2021: $600.0K$600.0K2021+113%2022: $1.0M$1.0M2022+70%2023: $1.2M$1.2M2023+17%2024: $1.9M$1.9M2024+56%2025: $2.2M$2.2M2025+20%
Gross profit567894$1.4M in 2025+3205% since 2019
0$500.0K$1.0M$1.5M2019: $42.0K$42.0K20192020: $1.0K$1.0K2020−98%2021: $244.0K$244.0K2021+24300%2022: $464.0K$464.0K2022+90%2023: $539.0K$539.0K2023+16%2024: $1.0M$1.0M2024+86%2025: $1.4M$1.4M2025+38%
Operating income567894-$6.5M in 2025−37% since 2019
-$15.0M-$10.0M-$5.0M02019: -$10.3M-$10.3M20192020: -$7.9M-$7.9M2020−23%2021: -$8.9M-$8.9M2021+13%2022: -$9.7M-$9.7M2022+8%2023: -$7.7M-$7.7M2023−20%2024: -$6.2M-$6.2M2024−19%2025: -$6.5M-$6.5M2025+4%
Net income567894-$6.4M in 2025−36% since 2019
-$15.0M-$10.0M-$5.0M02019: -$10.0M-$10.0M20192020: -$8.4M-$8.4M2020−16%2021: -$8.3M-$8.3M2021−1%2022: -$9.7M-$9.7M2022+17%2023: -$7.7M-$7.7M2023−20%2024: -$6.2M-$6.2M2024−20%2025: -$6.4M-$6.4M2025+3%

Every line of the income statement as filed: the last 2 fiscal years, latest first.4

Period ending2025-12-312024-12-31
Total revenues$2.2M$1.9M
Cost of sales$833.0K$853.0K
Gross profit$1.4M$1.0M
Research and development$1.7M$1.7M
Selling, general and administrative$6.2M$5.5M
Total operating expenses$7.9M$7.3M
Loss from operations-$6.5M-$6.2M
Interest income$144.0K$56.0K
Interest expense-$22.0K-$22.0K
Miscellaneous income$0$31.0K
Other income, net$122.0K$65.0K
Net loss-$6.4M-$6.2M
Comprehensive loss-$6.4M-$6.2M
Weighted average shares outstanding - basic (in shares)3.3M shares698.0K shares
Weighted average shares outstanding - diluted (in shares)3.3M shares698.0K shares
Loss per share - basic (in dollars per share)-$1.95-$8.86
Loss per share - diluted (in dollars per share)-$1.95-$8.86

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Leadership

Who has led SenesTech, Inc., and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Loretta Powers Mayer2016–2019
  2. Thomas C. Chesterman2017
  3. Kenneth S. Siegel2019–2022
  4. Joel Lee Fruendt2022–2024
  5. Michael Edell2026–now

Chief financial officer

  1. Thomas C. Chesterman2016–now

Chief operating officer

  1. Andrew Altman2017–2018
20202025
Board members and other officers (24)

Named in SEC Form D filings

People the company listed in its private-offering notices.

  • Chief Revenue OfficerNicole L. Williams named Apr 26, 202338
  • DirectorJake S. Leach named Apr 26, 2023 to Aug 12, 202539
  • DirectorJamie L. Bechtel, JD, Ph.D. named Apr 26, 2023 to Aug 12, 202539

Timeline

  1. May 18, 2026New chief executive Michael Edell becomes CEO12
  2. Nov 23, 2022New chief executive Joel Lee Fruendt becomes CEO13
  3. Jun 19, 2019New chief executive Kenneth S. Siegel becomes CEO14
  4. Apr 24, 2017New chief executive Thomas C. Chesterman becomes CEO15
  5. Dec 7, 2016New chief executive Loretta Powers Mayer becomes CEO16

Filings

259 filings to the SEC since October 2021: 6 annual reports, 15 quarterly reports, 63 major events, 64 insider forms, 22 large holders, 6 private raises, 83 other. The latest 20:

  1. Oct 15, 20268-K EDGAR
  2. Sep 29, 20264 EDGAR
  3. Sep 15, 20264 EDGAR
  4. Sep 10, 20264 EDGAR
  5. Aug 20, 2026S-8 EDGAR
  6. Aug 17, 20264 EDGAR
  7. Aug 10, 20264 EDGAR
  8. Aug 6, 202610-Q EDGAR
  9. Aug 5, 20268-K EDGAR
  10. Aug 3, 20268-K EDGAR
  11. Jul 23, 2026SCHEDULE 13D EDGAR
  12. Jul 22, 20264 EDGAR
  13. Jul 8, 20264 EDGAR
  14. Jul 2, 20264 EDGAR
  15. Jun 29, 20264 EDGAR
  16. Jun 22, 20264 EDGAR
  17. Jun 17, 20264 EDGAR
  18. Jun 17, 20264 EDGAR
  19. Jun 17, 20264 EDGAR
  20. Jun 17, 20264 EDGAR

The 259 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

40 open-market trades by officers, directors and large owners since October 2021: 38 buys and 2 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Sep 28, 2026Edell MichaelChief Executive OfficerBuy2,000$0.64$1.3KForm 4
Sep 14, 2026Edell MichaelChief Executive OfficerBuy1,000$0.84$840Form 4
Sep 9, 2026Edell MichaelChief Executive OfficerBuy2,000$0.87$1.7KForm 4
Aug 14, 2026Edell MichaelChief Executive OfficerBuy1,000$1.21$1.2KForm 4
Aug 7, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy6,490$1.30$8.4KForm 4
Aug 6, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy15,000$1.30$19.5KForm 4
Jul 20, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy35,000$1.47$51.5KForm 4
Jul 7, 2026Edell MichaelChief Executive OfficerBuy1,000$1.43$1.4KForm 4
Jun 30, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy35,000$1.51$52.9KForm 4
Jun 29, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy5,172$1.52$7.9KForm 4
Jun 26, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy6,812$1.56$10.6KForm 4
Jun 25, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy9,442$1.53$14.4KForm 4
Jun 24, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy3,990$1.55$6.2KForm 4
Jun 22, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy5,000$1.66$8.3KForm 4
Jun 17, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy3,264$1.61$5.3KForm 4
Jun 8, 2026Edell MichaelChief Executive OfficerBuy1,000$1.55$1.6KForm 4
Jun 8, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy7,000$1.61$11.3KForm 4
Jun 5, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy13,159$1.57$20.7KForm 4
Jun 4, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy8,230$1.65$13.6KForm 4
May 18, 2026GLENBROOK CAPITAL MANAGEMENT10% ownerBuy10,000$1.59$15.9KForm 4

All 40 trades can be filtered by person here when JavaScript is on.

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Money raised

Private offerings the company reported to the SEC on Form D.

  1. Aug 4, 2025Raised $273,539 in a private offering of securities Form D: 5 investors so far Form D
  2. Jun 30, 2025Raised $182,359 in a private offering of securities Form D: 5 investors so far Form D
  3. Mar 9, 2025Filed a private offering of securities Form D: 5 investors so far Form D
  4. Aug 22, 2024Filed a private offering of securities Form D: 6 investors so far Form D
  5. Aug 21, 2023Filed a private offering of securities Form D: 1 investor so far Form D
  6. Apr 10, 2023Raised $1.5 million in a private offering of equity Form D: 4 investors so far Form D

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Sabby Management, LLC141,756$211.2K1.8%−76,777
Renaissance Technologies LLC82,616$123.1K0.0%−31,384
Citadel Advisors LLC46,671$69.5K0.0%+35,352
Geode Capital Management, LLC44,339$66.1K0.0%−18,767
Vanguard Capital Management LLC34,762$51.8K0.0%−8,103
Vanguard Fiduciary Trust Co26,594$39.6K0.0%−5,100
Essex Investment Management Co LLC26,203$39.0K0.0%−91
Northern Trust Corp17,587$26.2K0.0%New
Diversify Advisory Services, LLC19,119$25.4K0.0%New
Diversify Wealth Management, LLC19,119$25.4K0.0%No change
State Street Corp16,662$24.8K0.0%No change
XTX Topco Ltd10,308$15.4K0.0%−10,753
Morgan Stanley3,400$5.1K0.0%No change
UBS Group AG1,307$1.9K0.0%−19,582
Osaic Holdings, Inc.1,000$1.5K0.0%−4,000
Barclays PLC106$1580.0%New
Caitong International Asset Management Co., Ltd13$190.0%New

13F reports cover disclosed long positions in U.S. stocks only.

Sources

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