Officer files intent to sell over $10 million in shares after option exercise
ATEX has more than doubled off its 52-week low of $17.58 on elevated volume (2.3× avg).
Summary
An Anterix Inc. officer plans to sell over $10 million worth of shares, acquired through option exercise, signaling a notable executive disposition.
Key Events · Ownership and Investor Activity · ATEX
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Officer Intent to Sell
Christopher Guttman-McCabe, an officer, filed a Form 144 to sell 122,852 shares of common stock.
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Significant Value
The proposed sale is valued at approximately $10.04 million.
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Option Exercise Related
The shares were acquired through a stock option exercise on the same day as the proposed sale.
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Executive Disposition
This represents a substantial disposition by a key executive, following a pattern of other officers filing similar forms recently.
Analysis · ATEX · Technology
Anterix Inc. officer Christopher Guttman-McCabe has filed a Form 144 indicating intent to sell 122,852 shares, valued at approximately $10.04 million. This proposed sale follows the exercise of stock options on the same day. The transaction represents a significant disposition by a key executive, occurring amidst recent positive news regarding spectrum license sales and FCC approvals, but also after a recent Q4 earnings miss. This is part of an ongoing pattern of officers filing Form 144s in recent months.
How filings like this one have moved
In the 30 days to Sep 14, 2026, 35.8% of the 1045 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.43%. 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 $83.01 on NASDAQ in the Technology sector, with a market capitalization of approximately $1.6B. The 52-week trading range was $17.58 to $88.12. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.