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ATEX insider trading — Anterix Inc.

Over the last 90 days, insiders at Anterix Inc. (ATEX) made 0 open-market purchases worth $0 and 11 open-market sales worth $13.87M, making them net sellers by $13.87M. The largest sale was by Heard William (Director), who sold 46,400 shares for $4.18M on Aug 14, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$0
Insider selling · 90d
$13.87M
Net · 90d
−$13.87M
Last 30 days
0B / 1S

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Recent ATEX insider transactions

Every Form 4 filed by Anterix Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Oct 9, 2026Marquez ElenaChief Financial OfficerS · Sale · 10b5-1Direct4,981$80.43$401KForm 4
Oct 9, 2026Marquez ElenaChief Financial OfficerM · Option exercise · 10b5-1Direct1,227$40.00$49KForm 4
Oct 5, 2026Marquez ElenaChief Financial OfficerF · Tax withholdingDirect473$84.33$40KForm 4
Sep 29, 2026Marquez ElenaChief Financial OfficerF · Tax withholdingDirect1,325$81.75$108KForm 4
Sep 21, 2026Lang Scott A.President and CEOS · SaleDirect15,000$80.00$1.20MForm 4
Sep 10, 2026Martin HeatherChief Marketing OfficerS · SaleDirect8,064$84.20$679KForm 4
Sep 9, 2026Martin HeatherChief Marketing OfficerF · Tax withholdingDirect3,465$85.44$296KForm 4
Sep 10, 2026Daniels Leslie BDirectorS · SaleDirect2,500$83.83$210KForm 4
Sep 8, 2026Ashe Gena LChief Legal Officer & Corp SecS · SaleDirect4,357$85.44$372KForm 4
Sep 4, 2026Daniels Leslie BDirectorS · SaleDirect4,100$87.07$357KForm 4
Sep 3, 2026Daniels Leslie BDirectorS · SaleDirect6,000$87.15$523KForm 4
Aug 25, 2026Guttman-Mccabe ChristopherChief Reg & Comm OfficerM · Option exerciseDirect40,000$34.72$1.39MForm 4
Aug 25, 2026Guttman-Mccabe ChristopherChief Reg & Comm OfficerF · Tax withholdingDirect16,561$90.38$1.50MForm 4
Aug 25, 2026Guttman-Mccabe ChristopherChief Reg & Comm OfficerS · SaleDirect23,439$92.36$2.16MForm 4
Aug 24, 2026Kuhn Thomas R.DirectorM · Option exerciseDirect10,000$33.62$336KForm 4
Aug 24, 2026Kuhn Thomas R.DirectorS · SaleDirect10,000$88.85$889KForm 4
Jun 18, 2026Kuhn Thomas R.DirectorS · SaleDirect1,654$79.52$132KForm 4
May 20, 2026Kuhn Thomas R.DirectorA · Grant/awardDirect2,791——Form 4
Aug 19, 2026Heard WilliamDirectorG · GiftDirect5,400——Form 4
Aug 14, 2026Heard WilliamDirectorS · SaleIndirect46,400$90.11$4.18MForm 4
Aug 14, 2026Lang Scott A.President and CEOS · SaleDirect35,057$90.22$3.16MForm 4
Dec 29, 2025Heard WilliamDirectorG · GiftDirect1,887——Form 4
Aug 4, 2026Heard WilliamDirectorA · Grant/awardDirect1,598——Form 4
Aug 4, 2026Altman Jeffrey A, Owl Creek Asset Management, L.P.Director, 10% OwnerA · Grant/awardDirect1,598——Form 4
Aug 4, 2026Yazdi MahvashDirectorA · Grant/awardDirect1,598——Form 4
Aug 4, 2026Fleischhauer MarkDirectorA · Grant/awardDirect1,598——Form 4
Aug 4, 2026Daniels Leslie BDirectorA · Grant/awardDirect1,598——Form 4

ATEX insider trading FAQ

Are insiders buying ATEX stock?

Not on the open market. In the last 90 days, Anterix Inc. insiders made no open-market purchases, and 11 open-market sales totaling $13.87M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading ATEX?

Recent sellers: Ashe Gena L, Daniels Leslie B, Guttman-Mccabe Christopher, Heard William, Kuhn Thomas R., Lang Scott A..

Where does ATEX insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.