Transaction · 0000902664-26-004257

Glenbrook Capital Management

GLENBROOK CAPITAL MANAGEMENT, 10%, reported an open-market or private purchase at SenesTech, Inc. involving 36375.000000 shares for an estimated $24538.58. Reported holdings after the transaction were 2099473.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code P10%
SNESSenesTech, Inc.
Trade date
Oct 20, 2026
Filing date
Oct 22, 2026
View on SEC Insider profile
Estimated value$24.5kShares × reported price
Shares traded36.3k$0.67 per share
Holdings after2.09MIndirect · See footnote
% of reported position traded1.76%This security and ownership context
How reported position traded is calculated

Shares purchased ÷ (holdings after − shares purchased). Estimated position before: 2,063,098 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

SNES price since this filing

Daily closing prices, with the filing date and available return windows
SNES · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +2.5%1w ago -21.5%1d ago -11.4%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0000902664-26-004257
Common Stock, $0.001 par value per share ("Common Stock")
Transaction date
Oct 20, 2026
Filed Oct 22, 2026, 10:45 PM · 2d delay
Shares
36,375 sh
$0.67 per share
Estimated value
$24.5k
Computed from shares × price
Holdings after
2,099,473 sh
Indirect · See footnote

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Repeat Buyer 10% Owner Buy
Filing-only score

+28 points

Compact filing score computed from stored Form 4 facts. Version v1.

Strong filing signal

This filing has a high positive filing-only score. It may deserve closer research, but it is not an investment recommendation.

How this score is calculated
  • open_market_purchase+12 points

    transaction_code = P

    Code P is a discretionary open-market purchase.
  • ten_percent_owner_buy+4 points

    is_ten_percent_owner = true

    10% beneficial owner open-market purchase.
  • repeat_buyer+8 points

    repeat-buyer signal matched

    Same insider bought again within the configured window.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.6613 to $0.6933, inclusive. The Reporting Person undertakes t…

  2. F2

    The securities to which this filing relates are held directly by certain accounts for which Glenbrook Capital Management (the "Reporting Person") serves as the investment manager. The Reporting Person…

  3. F3

    The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.7227 to $0.7564, inclusive. The Reporting Person undertakes t…

  4. F4

    The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.7877 to $0.8095, Inclusive. The Reporting Person undertakes t…

Original filing · 0000902664-26-004257
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