Director Heard William Sells $4.2M in Anterix Stock
ATEX has more than doubled off its 52-week low of $17.58.
Summary
Anterix director Heard William sold $4.18 million in company stock on August 14, 2026, at $90.11 per share.
Key Events · Ownership and Investor Activity · ATEX
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Director Sells $4.2M in Stock
Heard William sold 46,400 shares at $90.11 for $4,181,095 on August 14, 2026, through Heard Capital LLC.
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Insider Selling Pattern Continues
This sale adds to $23.4 million in net insider selling at Anterix over the past 90 days, with six active insiders selling.
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Post-Sale Holdings Remain Substantial
William retains 1,670,338 shares indirectly through Heard Capital LLC, plus 9,365 shares directly.
Analysis · ATEX · Technology
On August 14, 2026, Director Heard William sold 46,400 shares at $90.11, totaling $4.18 million. The transaction was executed through Heard Capital LLC, where William is the ultimate beneficial owner. While this is a notable insider sale, William still holds a significant stake with 1,670,338 shares post-transaction. The sale adds to a pattern of insider selling at Anterix over the past 90 days, with net insider sales of $23.4 million.
How filings like this one have moved
In the 30 days to Oct 18, 2026, 29.5% of the 1457 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.49%. 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, ATEX was trading at $90.75 on NASDAQ in the Technology sector, with a market capitalization of approximately $1.8B. The 52-week trading range was $17.58 to $113.00. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.