Trusts linked to Glenbrook Capital add SenesTech (SNES) stock

Rhea-AI Filing Summary

Glenbrook Capital Management, identified as a 10% owner of SenesTech, Inc., reported indirect purchases of the company’s common stock through entities it manages. On February 4, 2026, PFS Trust and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan together bought 5,685 shares at $1.8247 per share. On February 5, 2026, they acquired another 2,884 shares at $1.7705 per share. After these transactions, the managed accounts held a total of 602,354 SenesTech common shares indirectly. Glenbrook Capital Management serves as investment manager to these entities and disclaims beneficial ownership of the securities except to the extent of any pecuniary interest.

Insider Trade Summary

Net Buyer: 8,569 shares ($15,480)

Net Buy 2 txns

Insider GLENBROOK CAPITAL MANAGEMENT

Role 10% Owner

Bought 8,569 shs ($15K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	2,884	$1.7705	$5K
Purchase	Common Stock, $0.001 par value per share ("Common Stock")	5,685	$1.8247	$10K

Holdings After Transaction: Common Stock — 602,354 shares (Indirect, See footnote); Common Stock, $0.001 par value per share ("Common Stock") — 599,470 shares (Indirect, See footnote)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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. Issuer Name and Ticker or Trading Symbol
SenesTech, Inc. [ SNES ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/04/2026

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $0.001 par value per share ("Common Stock")	02/04/2026		P		5,685	A	$1.8247	599,470	I	See footnote(1)
Common Stock	02/05/2026		P		2,884	A	$1.7705	602,354	I	See footnote(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

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 its pecuniary interest therein, if any.

	Glenbrook Capital Management, By: /s/ John David Kessler, Director	02/06/2026
	** 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 4 (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.

FAQ

What insider transactions in SenesTech (SNES) stock did Glenbrook Capital report?

Glenbrook Capital Management reported indirect purchases of SenesTech common stock for accounts it manages, acquiring 5,685 shares on February 4, 2026 and 2,884 shares on February 5, 2026. These trades were executed at prices of $1.8247 and $1.7705 per share, respectively.

How many SenesTech (SNES) shares are held after the reported Form 4 trades?

After the reported transactions, accounts managed by Glenbrook Capital collectively held 602,354 SenesTech common shares indirectly. This figure reflects the updated balance following the February 4 and February 5, 2026 purchases disclosed in the Form 4 insider trading report.

At what prices were the recent SenesTech (SNES) insider share purchases made?

The indirect purchases were made at two different prices. On February 4, 2026, 5,685 SenesTech common shares were bought at $1.8247 each. On February 5, 2026, an additional 2,884 common shares were acquired at a price of $1.7705 per share.

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

The SenesTech shares are held directly by PFS Trust and Glenbrook Capital Management Inc. Employee Profit-Sharing Plan. Glenbrook Capital Management acts as investment manager for these entities and reports the holdings, while disclaiming beneficial ownership except for any pecuniary interest it may have.

Does Glenbrook Capital claim full beneficial ownership of the SenesTech (SNES) shares?

No. Glenbrook Capital Management expressly disclaims beneficial ownership of the SenesTech securities reported, except to the extent of its pecuniary interest, if any. The shares are directly owned by PFS Trust and the employee profit-sharing plan it manages as investment manager.

What type of securities were involved in the recent SenesTech (SNES) insider transactions?

The transactions involved SenesTech, Inc. common stock with a par value of $0.001 per share. All reported trades were non-derivative purchases of common shares, with no options, warrants, or other derivative securities listed in the disclosed Form 4 data.