SenesTech, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Leach Jacob Steven | — | Sale | 62 | $2.71 | $168 | — | Nov 18, 2025 |
| Szot Matthew K | — | Sale | 1 | $2.75 | $3 | — | Nov 14, 2025 |
| Fruendt Joel Lee | Chief Executive Officer | Award / Grant | 18,799 | — | — | 18,800 | Dec 14, 2022 |
| Fruendt Joel Lee | Chief Executive Officer | Award / Grant | 18,797 | — | — | 18,798 | Dec 14, 2022 |
| Leach Jacob Steven | — | Purchase | 50,000 | $1.54 | $77,000 | 150,000 | Aug 16, 2021 |
| Wolin Kim Patrice | EVP & Secretary | Option Exercise | 30,738 | — | — | 36,601 | Apr 29, 2021 |
| Morrison Jamie Bechtel | — | Option Exercise | 1,198 | — | — | 2,812 | Jun 18, 2020 |
| DUMONT MARC | — | Option Exercise | 564 | — | — | 1,337 | Jun 18, 2020 |
| Szot Matthew K | — | Option Exercise | 846 | — | — | 4,658 | Jun 18, 2020 |
| Williams Julia Ann | — | Option Exercise | 423 | — | — | 8,162 | Jun 18, 2020 |
| Chiavarini Delphine Francois | — | Option Exercise | 846 | — | — | 1,314 | Jun 18, 2020 |
| Mayer Loretta Powers | Chief Scientific Officer | Gift | 30,000 | — | — | 341,165 | Oct 21, 2019 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Sale | 6,000 | $0.93 | $5,580 | 370,091 | Oct 2, 2019 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Sale | 20,000 | $1.18 | $23,600 | 396,091 | Aug 15, 2019 |
| Mayer Loretta Powers | Chief Scientific Officer | Sale | 20,000 | $1.19 | $23,800 | 371,165 | Aug 14, 2019 |
| SIEGEL KENNETH S | CEO | Purchase | 696,296 | $1.35 | $940,000 | 702,558 | Jul 16, 2019 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Option Exercise | 18,336 | — | — | 424,962 | Jun 30, 2019 |
| Mayer Loretta Powers | Chief Scientific Officer | Option Exercise | 18,336 | — | — | 419,708 | Jun 30, 2019 |
| SIEGEL KENNETH S | CEO | Option Exercise | 6,262 | — | — | 6,262 | Jun 18, 2019 |
| Chiavarini Delphine Francois | — | Option Exercise | 9,341 | — | — | 9,341 | Jun 18, 2019 |
| DUMONT MARC | — | Option Exercise | 8,791 | — | — | 15,454 | Jun 18, 2019 |
| Morrison Jamie Bechtel | — | Option Exercise | 17,308 | — | — | 32,261 | Jun 18, 2019 |
| Szot Matthew K | — | Option Exercise | 13,187 | — | — | 76,238 | Jun 18, 2019 |
| Williams Julia Ann | — | Option Exercise | 7,692 | — | — | 154,779 | Jun 18, 2019 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Option Exercise | 18,333 | — | — | 416,598 | Mar 30, 2019 |
| Mayer Loretta Powers | CEO & Chief Scientific Officer | Option Exercise | 18,333 | — | — | 411,024 | Mar 30, 2019 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Tax Withholding | 8,846 | $0.58 | $5,131 | 398,265 | Dec 31, 2018 |
| Mayer Loretta Powers | CEO & Chief Scientific Officer | Option Exercise | 18,333 | — | — | 402,207 | Dec 31, 2018 |
| Mayer Loretta Powers | CEO & Chief Scientific Officer | Option Exercise | 18,333 | — | — | 438,338 | Sep 30, 2018 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Tax Withholding | 4,794 | $0.69 | $3,308 | 438,778 | Sep 30, 2018 |
| Williams Julia Ann | — | Purchase | 1,000 | $1.15 | $1,150 | 5,000 | Aug 13, 2018 |
| Mayer Loretta Powers | CEO & Chief Scientific Officer | Tax Withholding | 4,299 | $1.63 | $7,007 | 420,005 | Jun 30, 2018 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Tax Withholding | 4,629 | $1.63 | $7,545 | 425,239 | Jun 30, 2018 |
| Mayer Loretta Powers | CEO & Chief Scientific Officer | Sale | 6,000 | $2.13 | $12,780 | 405,971 | Jun 21, 2018 |
| Williams Julia Ann | — | Option Exercise | 3,577 | — | — | 141,087 | Jun 12, 2018 |
| WICKERSHAM GROVER T. | — | Option Exercise | 3,577 | — | — | 290,263 | Jun 12, 2018 |
| DUMONT MARC | — | Option Exercise | 3,577 | — | — | 6,663 | Jun 12, 2018 |
| Szot Matthew K | — | Option Exercise | 3,577 | — | — | 63,051 | Jun 12, 2018 |
| Morrison Jamie Bechtel | — | Option Exercise | 12,820 | — | — | 12,820 | Jun 12, 2018 |
| WICKERSHAM GROVER T. | — | Option Exercise | 3,577 | — | — | 290,263 | May 19, 2018 |
| Szot Matthew K | — | Option Exercise | 3,577 | — | — | 63,051 | May 19, 2018 |
| DUMONT MARC | — | Option Exercise | 3,577 | — | — | 6,663 | May 19, 2018 |
| Williams Julia Ann | — | Option Exercise | 3,577 | — | — | 141,087 | May 19, 2018 |
| Mayer Loretta Powers | CEO & Chief Scientific Officer | Gift | 250 | — | — | 399,074 | Apr 2, 2018 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Tax Withholding | 5,766 | $0.51 | $2,941 | 411,535 | Feb 22, 2018 |
| Altman Andrew | Chief Operating Officer | Tax Withholding | 17,375 | $0.70 | $12,163 | 60,737 | Jan 31, 2018 |
| Williams Julia Ann | — | Award / Grant | 37,162 | $0.72 | $26,757 | 137,510 | Jan 5, 2018 |
| Dyer Cheryl Ann | Pres. & Chief Research Officer | Tax Withholding | 6,316 | $0.72 | $4,548 | 399,218 | Jan 2, 2018 |
| Mayer Loretta Powers | CEO & Chief Scientific Officer | Tax Withholding | 5,986 | $0.72 | $4,310 | 399,324 | Jan 2, 2018 |
| Szot Matthew K | — | Award / Grant | 22,388 | $0.67 | $15,000 | 56,388 | Dec 19, 2017 |