Insiders / Glenbrook Capital Management

Glenbrook Capital Management

CIK 1273782personinsiderbeneficial owner
Companies
1
First seen
Feb 2, 2026
Last activity
Jun 29, 2026

Companies

1View all →
CompanyRoleShares heldPeak heldTradesLatest
SenesTech, Inc. · SNES10% owner987,824987,82426—

All securities held

4 positions · latest reported per filing
CompanySecuritySharesAs of
SenesTech, Inc.Common Stock987,824Jun 29, 2026
SenesTech, Inc.Common Stock, $0.001 par value per share ("Common Stock")966,398Jun 24, 2026
SenesTech, Inc.Common Stock, $0.001 par value per share (Common Stock)957,408Jun 17, 2026
SenesTech, Inc.Common Stock, $0.001 par value per share893,635Apr 28, 2026

Activity

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InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Mar 13, 2026BuySNES
SenesTech, Inc.
Common Stock, $0.001 par value per share ("Common Stock")
$285.4K+146K
+20.32%
865,850
15.96% of shares
medium
Feb 17, 2026BuySNES
SenesTech, Inc.
Common Stock, $0.001 par value per share ("Common Stock")
$93.5K+41K
+6.60%
659,117
12.15% of shares
medium
Feb 2, 2026BuySNES
SenesTech, Inc.
Common Stock
$84.4K+43K
+7.76%
593,785
10.95% of shares
medium
Feb 19, 2026BuySNES
SenesTech, Inc.
Common Stock
$83.1K+35K
+5.17%
704,211
12.98% of shares
medium
Mar 17, 2026BuySNES
SenesTech, Inc.
Common Stock
$35.4K+20K
+2.26%
890,635
16.42% of shares
low
Feb 13, 2026BuySNES
SenesTech, Inc.
Common Stock
$29.1K+15K
+2.49%
633,700
11.68% of shares
low
May 14, 2026BuySNES
SenesTech, Inc.
Common Stock, $0.001 par value per share ("Common Stock")
$25.9K+15K
+1.68%
908,635
16.75% of shares
low
Feb 18, 2026BuySNES
SenesTech, Inc.
Common Stock
$24.0K+10K
+1.59%
669,598
12.35% of shares
low
Jun 5, 2026BuySNES
SenesTech, Inc.
Common Stock
$20.7K+13K
+1.41%
947,144
17.46% of shares
low
May 18, 2026BuySNES
SenesTech, Inc.
Common Stock
$15.9K+10K
+1.09%
925,755
17.07% of shares
low