GLENBROOK CAPITAL MANAGEMENT purchased 3.6% of their position (32.12K shares) of SENESTECH, INC. on the open market
Open‑market purchase worth $53.5K — a small addition. The strongest form of insider conviction signal.
P · 3 purchases
Filed: 5/19/2026ACC: 0000902664-26-002558
10% Owner
Since Feb 2026
+32.12K
Net shares
Net buyer
$53.5K
Total acquired
3
Open market trades
3B · 0S
3
Total transactions
32.12K acquired
Non-Derivative Transactions3
Common Stock, $0.001 par value per share ("Common Stock")
Indirect
Shares
+15K
Price / share
$1.72
Trade value
$25.86K
% of position
1.7%
5/14/2026
893.63K→908.63K
Common Stock
Indirect
Shares
+7.12K
Price / share
$1.65
Trade value
$11.75K
% of position
0.8%
5/15/2026
908.63K→915.75K
Common Stock
Indirect
Shares
+10K
Price / share
$1.59
Trade value
$15.88K
% of position
1.1%
5/18/2026
915.75K→925.75K
Total
Net shares
+32.12K
Net value
$53.49K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock, $0.001 par value per share ("Common Stock") Indirect | 5/14/2026 | P · Purchase | +15K | $1.72 | $25.86K | 1.7% | 893.63K | 908.63K |
| Common Stock Indirect | 5/15/2026 | P · Purchase | +7.12K | $1.65 | $11.75K | 0.8% | 908.63K | 915.75K |
| Common Stock Indirect | 5/18/2026 | P · Purchase | +10K | $1.59 | $15.88K | 1.1% | 915.75K | 925.75K |
| Total | +32.12K | $53.49K | ||||||
Derivative Transactions0
No derivative transactions reported