GLENBROOK CAPITAL MANAGEMENT 4

4 · SenesTech, Inc. · Filed Jun 8, 2026

AI-generated summary of this filing

Updated Jun 8, 2026

SenesTech (SNES) 10% Owner Glenbrook Capital Buys Stock

What Happened

Glenbrook Capital Management, listed as a 10% owner (institutional investment manager), made open-market purchases of SenesTech (SNES) common stock. The reporting person acquired a total of 28,389 shares across three trades for aggregate proceeds of about $45,536, indicating purchases rather than sales.

Key Details

Transaction dates and prices:
- 2026-06-04: 8,230 shares at $1.65 — $13,547 (reported)
- 2026-06-05: 13,159 shares at $1.57 — $20,685 (reported)
- 2026-06-08: 7,000 shares at $1.61 — $11,304 (reported)
Total shares bought: 28,389; total reported value: ~$45,536.
Shares owned after transaction: Not specified in the provided filing excerpt.
Footnote: The filing states Glenbrook serves as investment manager for the account holding these shares and disclaims beneficial ownership for Section 16 purposes except for any pecuniary interest (F1).
Timeliness: Filing date 2026-06-08 covering trades from 2026-06-04 to 2026-06-08; the filing appears timely.

Context

These are open-market purchases by a 10% institutional owner (investment manager), not an executive. Purchases by institutional holders can signal accumulation but do not on their own explain the manager’s motives. No options, awards, gifts, or tax-withholding transactions are reported in this filing.

Form 4

Period: 2026-06-04

10% Owner

Transactions

Purchase
Common Stock, $0.001 par value per share ("Common Stock")
[F1]
2026-06-04$1.65/sh+8,230$13,547→ 933,985 total(indirect: See footnote)
Purchase
Common Stock
[F1]
2026-06-05$1.57/sh+13,159$20,685→ 947,144 total(indirect: See footnote)
Purchase
Common Stock
[F1]
2026-06-08$1.61/sh+7,000$11,304→ 954,144 total(indirect: See footnote)

Footnotes (1)

[F1]The securities to which this filing relates are held directly by a certain account for which Glenbrook Capital Management (the "Reporting Person") serves as the investment manager. 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.

Signature

Glenbrook Capital Management, By: /s/ John David Kessler, Director|2026-06-08

1 file