Summary
Updated Aug 31, 2026
Elena Marquez is Chief Financial Officer of Anterix Inc. (ATEX). 5 SEC Form 4 filings on record going back to 2025, most recently on 14 July 2026. Most recent open-market trade: sold $341K of ATEX on 18 June 2026. Lifetime open-market sales: $341K.
Recent Transactions
7Every recent SEC Form 4 transaction Elena Marquez has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Elena Marquez files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Christopher Guttman-Mccabe - $19.75M of ATEX open-market activity in the last 12 months
- William Heard - $4.18M of ATEX open-market activity in the last 12 months
- Scott A. Lang - $3.28M of ATEX open-market activity in the last 12 months
- Gena L. Ashe - $1.58M of ATEX open-market activity in the last 12 months
- Thomas R. Kuhn - $1.02M of ATEX open-market activity in the last 12 months
- Mahvash Yazdi - $560K of ATEX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Elena Marquez?
Elena Marquez is a corporate insider, tracked as Chief Financial Officer of Anterix Inc. (ATEX). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Elena Marquez submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Elena Marquez been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($341K) across all tracked filings.
Where can I see all of Elena Marquez's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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