Senestech (SNES): 10% owner bought ~$12K

~$12K

Approx. value · 7,120 sh @ $1.65

916K

Holds after · shares reported

Traded

May 15, 2026

Filed

May 19, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 13, 2026Insider10% owner purchased ~$285K of SNES shares in the open market
2. Mar 16, 2026Insider10% owner purchased ~$9.4K of SNES shares in the open market
3. Mar 17, 2026Insider10% owner purchased ~$35K of SNES shares in the open market
4. Apr 28, 2026Insider · 8 days before an 8-K10% owner purchased ~$4.4K of SNES shares in the open market
5. May 6, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On May 6, 2026 (the “Commencement Date”), the Board of Directors (the “Board ” ) of SenesTech, Inc. (the “Company”) appointed Michael Edell as the Company’s President and Chief Executive Officer, succeeding Mr. Joel L. Fruendt, the current President and Chief Executive Officer of the Company.”
6. May 12, 2026Company filing · Form 8-K · ResultsReported its results
7. May 14, 2026Insider · 2 peopleInsiders: 2 purchases (~$29K)
8. May 15, 2026 · this disclosureInsider10% owner purchased ~$12K of SNES shares in the open market

What came next

1. May 15, 2026InsiderCEO purchased ~$1.6K of SNES shares in the open market
2. May 18, 2026Insider10% owner purchased ~$16K of SNES shares in the open market
3. Jun 4, 2026Insider10% owner purchased ~$14K of SNES shares in the open market
4. Jun 5, 2026Insider10% owner purchased ~$21K of SNES shares in the open market
5. Jun 8, 2026Insider · 2 peopleInsiders: 2 purchases (~$13K)
6. Jun 17, 2026Insider10% owner purchased ~$5.3K of SNES shares in the open market
7. Jun 22, 2026Insider10% owner purchased ~$8.3K of SNES shares in the open market
8. Jun 24, 2026Insider10% owner purchased ~$6.2K of SNES shares in the open market
9. Jun 25, 2026Insider10% owner purchased ~$14K of SNES shares in the open market
10. Jun 26, 2026Insider10% owner purchased ~$11K of SNES shares in the open market
11. Jun 29, 2026Insider10% owner purchased ~$7.9K of SNES shares in the open market
12. Jun 30, 2026Insider10% owner purchased ~$53K of SNES shares in the open market
13. Jul 7, 2026InsiderCEO purchased ~$1.4K of SNES shares in the open market
14. Jul 20, 2026Insider · 14 days before results10% owner purchased ~$52K of SNES shares in the open market
15. Aug 3, 2026Company filing · Form 8-K · ResultsReported its results
16. Aug 5, 2026Company filing · Form 8-K · ResultsReported its results
17. Aug 6, 2026Insider10% owner purchased ~$19K of SNES shares in the open market
18. Aug 7, 2026Insider10% owner purchased ~$8.4K of SNES shares in the open market
19. Aug 14, 2026InsiderCEO purchased ~$1.2K of SNES shares in the open market
20. Sep 9, 2026Insider · 1 personInsiders: 2 purchases (~$2K)

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Senestech

For Senestech, OQRO holds 13 insider filings (SEC Form 4 or Form 144) and 5 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SNES page.

Other recent filings by GLENBROOK CAPITAL MANAGEMENT, 10% owner

• SEC Form 4 at Senestech (SNES)Oct 31, 2026
• SEC Form 4 at Senestech (SNES)Oct 31, 2026
• SEC Form 4 at Senestech (SNES)Oct 22, 2026
• SEC Form 4 at Senestech (SNES)Oct 22, 2026
• SEC Form 4 at Senestech (SNES)Oct 22, 2026

The full history of GLENBROOK CAPITAL MANAGEMENT, 10% owner is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Senestech

• SEC Form 4Oct 31, 2026
• SEC Form 4Oct 31, 2026
• SEC Schedule 13DOct 30, 2026
• SEC Schedule 13GOct 30, 2026
• SEC Schedule 13DOct 26, 2026
• SEC Form 4Oct 22, 2026

Everything OQRO holds on this company is on its SNES page.