Senestech (SNES): 10% owner bought ~$35K

~$35K

Approx. value · 20K sh @ $1.79

891K

Holds after · shares reported

Traded

Mar 17, 2026

Filed

Mar 18, 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. Jan 22, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On January 22, 2026, Joel L. Fruendt, the President and Chief Executive Officer of SenesTech, Inc. (the “Company”), notified the Company that he will be retiring from the Company, including its Board of Directors (“Board”), effective upon the earlier of (i) June 30, 2026 and (ii) the date the Company appoints a successor Chief Executive Officer.”
2. Jan 28, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On January 22, 2026, Joel L. Fruendt, the President and Chief Executive Officer of SenesTech, Inc. (the “Company”), notified the Company that he will be retiring from the Company, including its Board of Directors (“Board”), effective upon the earlier of (i) June 30, 2026 and (ii) the date the Company appoints a successor Chief Executive Officer.”
3. Jan 30, 2026Insider · Bought outside the usual window10% owner purchased ~$10K of SNES shares in the open market
4. Feb 2, 2026Insider10% owner purchased ~$84K of SNES shares in the open market
5. Feb 4, 2026Insider10% owner purchased ~$10K of SNES shares in the open market
6. Feb 5, 2026Insider10% owner purchased ~$5.1K of SNES shares in the open market
7. Feb 11, 2026Insider10% owner purchased ~$14K of SNES shares in the open market
8. Feb 12, 2026Insider10% owner purchased ~$14K of SNES shares in the open market
9. Feb 13, 2026Insider10% owner purchased ~$29K of SNES shares in the open market
10. Feb 17, 2026Insider10% owner purchased ~$93K of SNES shares in the open market
11. Feb 18, 2026Insider10% owner purchased ~$24K of SNES shares in the open market
12. Feb 19, 2026Insider10% owner purchased ~$83K of SNES shares in the open market
13. Mar 12, 2026Company filing · Form 8-K · ResultsReported its results
14. Mar 13, 2026Insider10% owner purchased ~$285K of SNES shares in the open market
15. Mar 16, 2026Insider10% owner purchased ~$9.4K of SNES shares in the open market
16. Mar 17, 2026 · this disclosureInsider10% owner purchased ~$35K of SNES shares in the open market

What came next

1. Apr 28, 2026Insider · 8 days before an 8-K10% owner purchased ~$4.4K of SNES shares in the open market
2. 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.”
3. May 12, 2026Company filing · Form 8-K · ResultsReported its results
4. May 14, 2026Insider · 2 peopleInsiders: 2 purchases (~$29K)
5. May 15, 2026Insider · 2 peopleInsiders: 2 purchases (~$13K)
6. May 18, 2026Insider10% owner purchased ~$16K of SNES shares in the open market
7. Jun 4, 2026Insider10% owner purchased ~$14K of SNES shares in the open market
8. Jun 5, 2026Insider10% owner purchased ~$21K of SNES shares in the open market
9. Jun 8, 2026Insider · 2 peopleInsiders: 2 purchases (~$13K)
10. Jun 17, 2026Insider10% owner purchased ~$5.3K of SNES shares in the open market
11. Jun 22, 2026Insider10% owner purchased ~$8.3K of SNES shares in the open market
12. Jun 24, 2026Insider10% owner purchased ~$6.2K of SNES shares in the open market
13. Jun 25, 2026Insider10% owner purchased ~$14K of SNES shares in the open market
14. Jun 26, 2026Insider10% owner purchased ~$11K of SNES shares in the open market
15. Jun 29, 2026Insider10% owner purchased ~$7.9K of SNES shares in the open market
16. Jun 30, 2026Insider10% owner purchased ~$53K of SNES shares in the open market
17. Jul 7, 2026InsiderCEO purchased ~$1.4K of SNES shares in the open market

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.