X0202 SCHEDULE 13G/A 0000902664-25-005143 0001273782 XXXXXXXX LIVE 2 Common Stock, par value $0.001 per share 03/16/2026 0001680378 SenesTech, Inc. 81720R604 777 W. PINNACLE PEAK ROAD SUITE B104 PHOENIX AZ 85027 Rule 13d-1(c) Glenbrook Capital Management NV 0.00 890635.00 0.00 890635.00 890635.00 N 16.8 CO SenesTech, Inc. 13430 North Dysart Road, Suite 105, Surprise, AZ 85379 This report on Schedule 13G is being filed by Glenbrook Capital Management, a Nevada corporation ("GCM" or the "Reporting Person"), with respect to the shares of common stock, par value $0.001 per share (the "Common Stock"), of SenesTech, Inc., a Delaware corporation (the "Issuer"). Grover T. Wickersham, the managing member of GCM, Richard Rudgley, and Robert W. Lishman serve on the investment committee of GCM, which serves as the investment manager to each of PFS Trust ("PFS Trust") and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan, which hold the shares of Common Stock reported herein. The filing of this statement should not be construed as an admission that any of the foregoing persons or any Reporting Person is, for the purposes of Section 13 of the Securities Exchange Act of 1934, the beneficial owner of the securities reported herein. The address for the Reporting Person is 5396 Avenue 18 1/2, Chowchilla, CA 93610. GCM is a Nevada corporation. Y The information required by Item 4(a) is set forth in Row 9 of the cover page for the Reporting Person and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 5,303,426 shares of Common Stock outstanding as of March 11, 2026, as reported in the Issuer's Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed with the Securities and Exchange Commission on March 13, 2026. 16.8% The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for the Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for the Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for the Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for the Reporting Person and is incorporated herein by reference. Y N See Item 2(a). PSF Trust has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, more than 5 percent of the outstanding shares of Common Stock. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Glenbrook Capital Management /s/ John David Kessler 03/18/2026