GLENBROOK CAPITAL MANAGEMENT purchased 23.8% of their position (171.03K shares) of SENESTECH, INC. on the open market
Open‑market purchase worth $330.2K — a significant purchase. The strongest form of insider conviction signal.
P · 3 purchases
Filed: 3/17/2026ACC: 0000902664-26-001650
10% Owner
Since Feb 2026
+171.03K
Net shares
Net buyer
$330.2K
Total acquired
3
Open market trades
3B · 0S
3
Total transactions
171.03K acquired
Non-Derivative Transactions3
Common Stock, $0.001 par value per share ("Common Stock")
Indirect
Shares
+146.25K
Price / share
$1.95
Trade value
$285.43K
% of position
20.3%
3/13/2026
719.60K→865.85K
Common Stock
Indirect
Shares
+5.06K
Price / share
$1.86
Trade value
$9.39K
% of position
0.6%
3/16/2026
865.85K→870.91K
Common Stock
Indirect
Shares
+19.73K
Price / share
$1.79
Trade value
$35.36K
% of position
2.3%
3/17/2026
870.91K→890.63K
Total
Net shares
+171.03K
Net value
$330.18K
| 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 | 3/13/2026 | P · Purchase | +146.25K | $1.95 | $285.43K | 20.3% | 719.60K | 865.85K |
| Common Stock Indirect | 3/16/2026 | P · Purchase | +5.06K | $1.86 | $9.39K | 0.6% | 865.85K | 870.91K |
| Common Stock Indirect | 3/17/2026 | P · Purchase | +19.73K | $1.79 | $35.36K | 2.3% | 870.91K | 890.63K |
| Total | +171.03K | $330.18K | ||||||
Derivative Transactions0
No derivative transactions reported