As of May 04, 2026, SenesTech's top three insider holders are Capital Management Glenbrook (TenPercentOwner, 890.63K shares), Capital Management Glenbrook (TenPercentOwner, 865.85K shares), Joel Lee Fruendt (Chief Executive Officer, 18.80K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Capital Management Glenbrook | - | 0 | 890,635 | 17 Mar, 2026 |
| Capital Management Glenbrook | - | 0 | 865,850 | 17 Mar, 2026 |
| Joel Lee Fruendt | Chief Executive Officer | 18,798 | 0 | 16 Dec, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Capital Management Glenbrook | Common Stock, $0.001 par value per share (Common Stock) | A | 146,249 | $1.95 | 865,850 | I | P |
| 16 Mar, 2026 | Capital Management Glenbrook | Common Stock | A | 5,060 | $1.86 | 870,910 | I | P |
| 17 Mar, 2026 | Capital Management Glenbrook | Common Stock | A | 19,725 | $1.79 | 890,635 | I | P |
| 17 Feb, 2026 | Capital Management Glenbrook | Common Stock, $0.001 par value per share (Common Stock) | A | 40,807 | $2.29 | 659,117 | I | P |
| 18 Feb, 2026 | Capital Management Glenbrook | Common Stock | A | 10,481 | $2.29 | 669,598 | I | P |
| 19 Feb, 2026 | Capital Management Glenbrook | Common Stock | A | 34,613 | $2.40 | 704,211 | I | P |
| 11 Feb, 2026 | Capital Management Glenbrook | Common Stock, $0.001 par value per share (Common Stock) | A | 8,000 | $1.73 | 610,354 | I | P |
| 12 Feb, 2026 | Capital Management Glenbrook | Common Stock | A | 7,956 | $1.72 | 618,310 | I | P |
| 13 Feb, 2026 | Capital Management Glenbrook | Common Stock | A | 15,390 | $1.89 | 633,700 | I | P |
| 04 Feb, 2026 | Capital Management Glenbrook | Common Stock, $0.001 par value per share (Common Stock) | A | 5,685 | $1.82 | 599,470 | I | P |
| 05 Feb, 2026 | Capital Management Glenbrook | Common Stock | A | 2,884 | $1.77 | 602,354 | I | P |
| 30 Jan, 2026 | Capital Management Glenbrook | Common Stock, $0.001 par value per share (Common Stock) | A | 5,399 | $1.87 | 551,046 | I | P |
| 02 Feb, 2026 | Capital Management Glenbrook | Common Stock | A | 42,739 | $1.98 | 593,785 | I | P |
| 18 Nov, 2025 | Jacob Steven Leach | Common Stock | D | 62 | $2.71 | 0 | D | S |
| 14 Nov, 2025 | Matthew K Szot | Common Stock | D | 1 | $2.75 | 0 | D | S |
| 08 Jan, 2025 | Joshua Matthew Moss | Stock Option (right to buy) | A | 8,057 | $0.00 | 8,057 | D | A |
| 27 Aug, 2024 | Jamie Bechtel Morrison | Stock Option (right to buy) | A | 12,090 | $0.00 | 12,090 | D | A |
| 27 Aug, 2024 | Matthew K Szot | Stock Option (right to buy) | A | 12,090 | $0.00 | 12,090 | D | A |
| 27 Aug, 2024 | Joel Lee Fruendt | Stock Option (right to buy) | A | 56,396 | $0.00 | 56,396 | D | A |
| 27 Aug, 2024 | Jacob Steven Leach | Stock Option (right to buy) | A | 23,894 | $0.00 | 23,894 | D | A |