GLENBROOK CAPITAL MANAGEMENT 4

What Happened Glenbrook Capital Management (identified as a >10% owner) made two purchases of SenesTech, Inc. (SNES) common stock, reported on a Form 4 filed June 22, 2026. The firm acquired 3,264 shares at $1.61 on June 17, 2026 (reported value $5,268) and 5,000 shares at $1.66 on June 22, 2026 (reported value $8,296), for a combined 8,264 shares worth $13,564. These were purchases (transaction code P), which are generally considered more informative than routine sales.

Key Details

• Transaction dates and prices:
  • 2026-06-17: Purchase of 3,264 shares @ $1.61 (reported $5,268)
  • 2026-06-22: Purchase of 5,000 shares @ $1.66 (reported $8,296)
• Total reported bought: 8,264 shares for $13,564.
• Shares owned after transaction: Not specified in the filing.
• Footnote: Glenbrook serves as investment manager for the account holding these shares and disclaims direct beneficial ownership for Section 16 purposes, except to the extent of any pecuniary interest (see F1).
• Filing timeliness: The Form 4 was filed June 22, 2026. The June 17 trade was reported five days later, which is later than the typical two-business-day reporting window for insiders; the June 22 trade was filed same day.

Context

• Glenbrook is an institutional 10% owner acting as an investment manager, not an executive; the filing notes it disclaims beneficial ownership beyond any pecuniary interest. Institutional purchases can reflect portfolio rebalancing or strategy decisions rather than an individual insider's view.
• No option exercises, awards, gifts, or tax-withholding events were reported—only straightforward open-market purchases.