Officer Mark Maurer Files to Sell $1.54M in StoneX Group Stock
SNEX has more than doubled off its 52-week low of $53.523 on elevated volume (1.9× avg).
Summary
StoneX Group officer Mark Maurer has filed to sell $1.54 million in company stock, extending a recent trend of insider selling as the stock trades near its 52-week high.
Key Events · Ownership and Investor Activity · SNEX
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Officer Files Intent to Sell
Mark Maurer, an officer, filed a Form 144 to sell 11,542 shares of common stock, valued at approximately $1.54 million.
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Continuation of Insider Selling Pattern
This is the latest in a series of insider sales, with over $65 million in net sales by 7 active insiders over the last 90 days, including multiple filings from CEO Sean O'Connor.
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Sale Near 52-Week Highs
The proposed sale occurs as StoneX Group stock is trading near its 52-week high, potentially indicating insiders are taking profits.
Analysis · SNEX · Crypto Assets
Mark Maurer, an officer at StoneX Group, has filed a Form 144 indicating intent to sell $1.54 million worth of company stock. This filing continues a recent pattern of insider selling, including multiple filings from CEO Sean O'Connor and other officers, totaling over $65 million in net sales over the past 90 days. The proposed sale occurs while the stock is trading near its 52-week high, suggesting insiders may be locking in gains.
How filings like this one have moved
In the 30 days to Sep 16, 2026, 29.6% of the 1725 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.33%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, SNEX was trading at $132.56 on NASDAQ in the Crypto Assets sector, with a market capitalization of approximately $10.5B. The 52-week trading range was $53.52 to $139.24. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.