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Glenbrook Capital (SNES) reports indirect SenesTech share and warrant stakes

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Glenbrook Capital Management, as a 10% owner of SenesTech, Inc. (SNES), reports indirect holdings of 545,647 shares of Common Stock and 90,000 Series I Common Stock Warrants. The securities are held by PFS Trust and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan.

Glenbrook Capital Management serves as investment manager to these entities and disclaims beneficial ownership except for any pecuniary interest. The Series I Warrants, with a $5.25 exercise price and expiring on 11/13/2026, are subject to 4.99% and 9.99% ownership blockers that currently prevent their exercise.

Positive

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Negative

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Insider GLENBROOK CAPITAL MANAGEMENT
Role 10% Owner
Type Security Shares Price Value
holding Series I Common Stock Warrants (right to buy) -- -- --
holding Common Stock, $0.001 par value per share ("Common Stock") -- -- --
Holdings After Transaction: Series I Common Stock Warrants (right to buy) — 90,000 shares (Indirect, See footnote); Common Stock, $0.001 par value per share ("Common Stock") — 545,647 shares (Indirect, See footnote)
Footnotes (1)
  1. 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.
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SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
GLENBROOK CAPITAL MANAGEMENT
(Last) (First) (Middle)
5396 AVENUE 18 1/2
(Street)
CHOWCHILLA CA 93610
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
01/29/2026 		3. Issuer Name and Ticker or Trading Symbol
SenesTech, Inc. [ SNES ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, $0.001 par value per share ("Common Stock") 545,647 I See footnote(1)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Series I Common Stock Warrants (right to buy) 08/13/2025 11/13/2026 Common Stock 90,000(2) $5.25 I See footnote(1)
Explanation of Responses:
1. 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.
2. 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.
Glenbrook Capital Management, By: /s/ John David Kessler, Director 02/02/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What insider position does Glenbrook Capital Management report in SenesTech (SNES)?

Glenbrook Capital Management reports status as a 10% owner of SenesTech, Inc. It is the investment manager for PFS Trust and an employee profit-sharing plan that together hold SenesTech Common Stock and Series I Common Stock Warrants, all reported on this Form 3 filing.

How many SenesTech (SNES) common shares are indirectly held according to this Form 3?

The filing shows 545,647 shares of SenesTech Common Stock indirectly held. These shares are owned by PFS Trust and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan, with Glenbrook Capital Management acting as investment manager and disclaiming beneficial ownership except for any pecuniary interest.

Who actually holds the SenesTech (SNES) securities reported by Glenbrook Capital Management?

The securities are held directly by PFS Trust and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan. Glenbrook Capital Management serves as investment manager for both entities and disclaims beneficial ownership of the securities, except to the extent of any pecuniary interest it may have.

What are the 4.99% and 9.99% blockers on SenesTech (SNES) warrants in this filing?

The Series I Warrants include ownership limits: 4.99% for warrants held by the employee profit-sharing plan and 9.99% for warrants held by PFS Trust. These caps prevent exercises that would push beneficial ownership above those levels and currently block exercise of the reported warrants.

Is Glenbrook Capital Management currently able to exercise its SenesTech (SNES) Series I warrants?

The filing states that, due to the 4.99% and 9.99% ownership blockers in the warrant terms, Glenbrook Capital Management is not able to exercise the reported Series I Warrants at this time, because doing so would exceed the allowed beneficial ownership thresholds.