SenesTech (SNES) 10% Owner Management Buys $327K of Stock
Key Points
- Glenbrook Capital Management bought 426,000 shares of SenesTech, Inc. on October 15, 2026, at an average price of $0.77 per share.
- The purchase increased the 10% owner's position by about 39.5% to a total of 1,505,294 shares.
- SenesTech develops fertility control products for animal pest populations and has its next earnings report scheduled for November 9, 2026.
Since the trade, $SNES is up 0.0% to date (from the $0.70 close on Oct 15, 2026).
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Glenbrook Capital Management bought 426,000 shares of SenesTech, Inc. (NasdaqCM: SNES) on October 15, 2026. According to a Form 4 filing with the SEC, the 10% owner picked up the shares at an average price of $0.77 each, spending a total of about $327,125.
SNES
SenesTech, Inc.
Glenbrook Capital Management vs. the S&P 500
Hypothetical returns from Glenbrook Capital Management's disclosed trades, not real profit or advice. How we model this.
Inside Glenbrook Capital Management's SenesTech Trade
The transaction boosted Glenbrook's holdings by 39.47%, taking its total stake to 1,505,294 shares. Because the buyer holds a 10% ownership stake in the firm, this open-market purchase increases its footprint in the pest-control technology company. The trade was not made under a pre-arranged Rule 10b5-1 trading plan.
Other Institutional Activity in SenesTech
Other large funds made mixed adjustments to their positions in the company during the quarter ended June 30, 2026. Sabby Management, LLC reduced its holdings by 76,767 shares, ending with 141,756 shares valued at about $99,229. Renaissance Technologies, LLC trimmed its stake by 31,384 shares, leaving it with 82,616 shares worth about $57,831. Citadel Advisors Llc grew its stake significantly, adding 35,352 shares for a total of 46,671 shares valued at about $32,669. Essex Investment Management Co LLC cut its holdings by 92 shares, ending with 26,203 shares worth about $18,342. Finally, Diversify Wealth Management, LLC kept its position steady, holding 19,119 shares valued at about $13,383.
SenesTech, Inc. Stock Up 8.2%
SenesTech recently traded around $0.70 per share, sitting well below its 52-week high of $4.04 and above its 52-week low of $0.55. The stock trades under its 50-day moving average of $0.94 and its 200-day moving average of $1.55. The company has a market capitalization of roughly $3.8 million.
Recent Earnings
In its trailing twelve months, SenesTech posted revenue of $2.37 million with a basic earnings per share of -$1.22. The company isn't currently profitable, and its next earnings report is scheduled for November 9, 2026.
Insider Buying and Selling at SenesTech, Inc.
Chief Executive Officer Michael Edell completed several smaller share purchases ahead of this filing. On August 14, 2026, he bought 1,000 shares at $1.21 each for a total of $1,210. He later acquired 2,000 shares on September 9, 2026, valued at $1,740. On September 14, 2026, he added another 1,000 shares at $0.84 each for $840, followed by a purchase of 2,000 shares at $0.64 each on September 28, 2026, totaling $1,289.
About SenesTech, Inc.
Headquartered in Surprise, Arizona, SenesTech develops products aimed at managing animal pest populations through fertility control. Its key offerings include ContraPest, a liquid bait, and Evolve, a soft bait designed to limit the reproduction of rats. The company employs 23 people and operates in the specialty chemicals sector.
Bottom Line
Investors are keeping an eye on SenesTech as it approaches its next financial update on November 9, 2026. The continued insider activity and institutional shifts highlight how major stakeholders are managing their positions as the small-cap company works on its pest management products.
Related Filing Alerts
Source: Glenbrook Capital Management's Form 4 filing on $SNES (Oct 15, 2026). Written by software, not financial advice. How we make alerts