Glenbrook Capital Management Purchases 7,120 Shares of Senestech (NASDAQ:SNES) Stock

Posted by Stephan Jacobs on May 20th, 2026

Senestech, Inc. (NASDAQ:SNES – Get Free Report) major shareholder Glenbrook Capital Management bought 7,120 shares of the firm’s stock in a transaction on Friday, May 15th. The stock was purchased at an average price of $1.65 per share, for a total transaction of $11,748.00. Following the completion of the acquisition, the insider directly owned 915,755 shares in the company, valued at $1,510,995.75. The trade was a 0.78% increase in their ownership of the stock. The acquisition was disclosed in a document filed with the Securities & Exchange Commission, which can be accessed through this hyperlink. Major shareholders that own 10% or more of a company’s stock are required to disclose their transactions with the SEC.

Glenbrook Capital Management also recently made the following trade(s):

On Monday, May 18th, Glenbrook Capital Management bought 10,000 shares of Senestech stock. The stock was purchased at an average price of $1.59 per share, for a total transaction of $15,900.00.
On Thursday, May 14th, Glenbrook Capital Management bought 15,000 shares of Senestech stock. The stock was purchased at an average price of $1.72 per share, for a total transaction of $25,800.00.
On Tuesday, April 28th, Glenbrook Capital Management bought 3,000 shares of Senestech stock. The stock was purchased at an average price of $1.47 per share, for a total transaction of $4,410.00.
On Tuesday, March 17th, Glenbrook Capital Management bought 19,725 shares of Senestech stock. The stock was purchased at an average price of $1.79 per share, for a total transaction of $35,307.75.
On Monday, March 16th, Glenbrook Capital Management bought 5,060 shares of Senestech stock. The stock was purchased at an average price of $1.86 per share, for a total transaction of $9,411.60.
On Friday, March 13th, Glenbrook Capital Management bought 146,249 shares of Senestech stock. The stock was purchased at an average price of $1.95 per share, for a total transaction of $285,185.55.
On Thursday, February 19th, Glenbrook Capital Management bought 34,613 shares of Senestech stock. The stock was purchased at an average price of $2.40 per share, for a total transaction of $83,071.20.
On Wednesday, February 18th, Glenbrook Capital Management bought 10,481 shares of Senestech stock. The stock was purchased at an average price of $2.29 per share, for a total transaction of $24,001.49.
On Tuesday, February 17th, Glenbrook Capital Management bought 40,807 shares of Senestech stock. The stock was purchased at an average price of $2.29 per share, for a total transaction of $93,448.03.

Senestech Stock Performance

Shares of SNES stock opened at $1.53 on Wednesday. The firm’s 50 day moving average price is $1.69 and its 200-day moving average price is $2.15. The company has a debt-to-equity ratio of 0.02, a quick ratio of 7.79 and a current ratio of 8.91. Senestech, Inc. has a one year low of $1.41 and a one year high of $6.24. The firm has a market cap of $8.11 million, a P/E ratio of -0.81 and a beta of 0.18.

Senestech (NASDAQ:SNES – Get Free Report) last issued its quarterly earnings data on Tuesday, May 12th. The company reported ($0.31) EPS for the quarter, topping the consensus estimate of ($0.33) by $0.02. Senestech had a negative net margin of 304.22% and a negative return on equity of 67.60%. The firm had revenue of $0.49 million for the quarter, compared to analyst estimates of $0.63 million. As a group, equities research analysts predict that Senestech, Inc. will post -1.61 EPS for the current year.

Institutional Inflows and Outflows

Hedge funds have recently modified their holdings of the stock. Geode Capital Management LLC purchased a new position in shares of Senestech in the 2nd quarter valued at $59,000. Jane Street Group LLC purchased a new position in Senestech during the 4th quarter worth $32,000. Diversify Advisory Services LLC purchased a new position in Senestech during the 4th quarter worth $34,000. Diversify Wealth Management LLC purchased a new position in Senestech during the 1st quarter worth $31,000. Finally, XTX Topco Ltd purchased a new position in Senestech during the 4th quarter worth $54,000. 5.19% of the stock is owned by hedge funds and other institutional investors.

Senestech News Roundup

Here are the key news stories impacting Senestech this week:

Positive Sentiment: Major shareholder Glenbrook Capital Management continued buying shares, including recent purchases at $1.59 to $1.72, while CEO Michael Edell also bought shares. Insider buying can signal confidence in Senestech’s outlook. Glenbrook Capital Management Acquires 7,120 Shares of Senestech (NASDAQ:SNES) Stock
Positive Sentiment: Senestech announced it will participate in the Lytham Partners Spring 2026 Investor Conference on May 28, which could help increase investor visibility and potentially generate interest in the stock. SenesTech to Participate in the Lytham Partners Spring 2026 Investor Conference on May 28, 2026
Neutral Sentiment: The company’s latest quarterly report showed a smaller-than-expected loss of $(0.31) per share, but revenue came in below estimates at $0.49 million, leaving the operating trend weak despite the EPS beat.
Negative Sentiment: HC Wainwright lowered near-term earnings estimates for Senestech, including Q2 2026, Q3 2026, and Q4 2026, reflecting weaker expectations for profitability in the coming quarters.
Negative Sentiment: The analyst firm also raised its loss forecasts for FY2026, FY2027, and FY2028, which may reinforce concerns about Senestech’s path to sustained earnings improvement.

Analyst Upgrades and Downgrades

Separately, Weiss Ratings reiterated a “sell (e+)” rating on shares of Senestech in a report on Friday, March 27th. One equities research analyst has rated the stock with a Strong Buy rating, one has issued a Hold rating and one has issued a Sell rating to the company. According to MarketBeat.com, Senestech currently has a consensus rating of “Hold”.

Get Our Latest Stock Analysis on SNES

Senestech Company Profile

(Get Free Report)

SenesTech, Inc (NASDAQ: SNES) is a biotechnology company specializing in non-lethal pest management solutions. The company’s core focus is the development and commercialization of fertility-based control methods for commensal rodents, providing an alternative to traditional rodenticides. By targeting the reproductive cycle of rats, SenesTech aims to reduce rodent populations over time without the use of toxic chemicals, offering a more sustainable approach for pest management professionals.

The company’s flagship product, ContraPest®, is an EPA-registered liquid bait that disrupts rodent reproduction.