GLENBROOK CAPITAL MANAGEMENT - 29 Jan 2026 Form 3 Insider Report for SenesTech, Inc. (SNES)

Role: 10%+ Owner
Signature: Glenbrook Capital Management, By: /s/ John David Kessler, Director
Issuer symbol: SNES
Transactions as of: 29 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 02 Feb 2026, 17:22:15 UTC
Next filing: 03 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
GLENBROOK CAPITAL MANAGEMENT	10%+ Owner	5396 AVENUE 18 1/2, CHOWCHILLA	Glenbrook Capital Management, By: /s/ John David Kessler, Director	02 Feb 2026	0001273782

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	SNES	Common Stock, $0.001 par value per share ("Common Stock")						545,647	29 Jan 2026	See footnote	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	SNES	Series I Common Stock Warrants (right to buy)							29 Jan 2026	Common Stock	90,000	$5.25	See footnote	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The securities to which this filing relates are held directly by PFS Trust ("PFS Trust") and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan ("GCM EPSP"). Glenbrook Capital Management (the "Reporting Person") serves as the investment manager to each of PFS Trust and GCM EPSP. The Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.
F2	Pursuant to the terms of the Series I Common Stock Warrants (the "Warrants"), the Reporting Person cannot exercise any of the Warrants to the extent the Reporting Person would beneficially own, after any such exercise, more than 4.99% of the outstanding Common Stock (the "4.99% Blocker") for the Warrants held by GCM EPSP, or 9.99% of the outstanding Common Stock (the "9.99% Blocker") for the Warrants held by PFS Trust. Consequently, at this time, the Reporting Person is not able to exercise the Warrants reported herein due to the 4.99% Blocker and the 9.99% Blocker.

Content

The securities to which this filing relates are held directly by PFS Trust ("PFS Trust") and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan ("GCM EPSP"). Glenbrook Capital Management (the "Reporting Person") serves as the investment manager to each of PFS Trust and GCM EPSP. The Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Pursuant to the terms of the Series I Common Stock Warrants (the "Warrants"), the Reporting Person cannot exercise any of the Warrants to the extent the Reporting Person would beneficially own, after any such exercise, more than 4.99% of the outstanding Common Stock (the "4.99% Blocker") for the Warrants held by GCM EPSP, or 9.99% of the outstanding Common Stock (the "9.99% Blocker") for the Warrants held by PFS Trust. Consequently, at this time, the Reporting Person is not able to exercise the Warrants reported herein due to the 4.99% Blocker and the 9.99% Blocker.