Heather Martin
Chief Marketing Officer · Anterix Inc.
IndividualSelling only
- 2026
- Sep 11, 2026
- 2
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Heather Martin 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 in ATEX purchases and sales in the last 12 months
- Scott A. Lang - $5.58M in ATEX purchases and sales in the last 12 months
- William Heard - $4.18M in ATEX purchases and sales in the last 12 months
- Gena L. Ashe - $2.32M in ATEX purchases and sales in the last 12 months
- Leslie B. Daniels - $1.09M in ATEX purchases and sales in the last 12 months
- Thomas R. Kuhn - $1.02M in ATEX purchases and sales in the last 12 months
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Frequently asked questions
Who is Heather Martin?
Heather Martin is a corporate insider, tracked as Chief Marketing Officer of Anterix Inc. (ATEX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Heather Martin submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Heather Martin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($679K) across all tracked filings.
