SenesTech jumps 51% after a 10% owner's purchase
- Insider
- Glenbrook Capital Management
- Company
- SenesTech (SNES)
- Transaction
- Buy
- Shares
- 426,000
- Amount
- $327K
- Trade date
- Oct 15, 2026
- Filed
- Oct 19, 2026, 4 days after the trade
- Source
- SEC Form 4 ↗
Glenbrook Capital Management, a 10% owner of SenesTech, bought 426,000 shares at $0.77 on Oct 15, a purchase worth $327K. SenesTech now trades 51% above its first close after the purchase.
The stock changed hands at $0.98 at 11:33 ET on Oct 28 (delayed by 15 to 20 minutes), against $0.65 at the close on Oct 16. Measured from the first close after the filing, $0.69 on Oct 20, the gain is 41.6%.
The purchase was reported to the SEC on Oct 19, 4 days after the trade. No sales by Glenbrook Capital Management in SenesTech have been reported since.
SNES +6.9% on the day, close Oct 30
Since purchase+50.9%$0.65 → $0.98 at 11:33 ET
Since filing+41.6%$0.69 on Oct 20 → $0.98
Purchase$327K426,000 shares on Oct 15, 2026
Days since purchase13No sales by this filer since
Price since the purchase
Daily close · USD+50%
0%
Oct 16 · first close $0.65Oct 28 · $0.98
PurchaseFirst close above +50%