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Heather Martin

Chief Marketing Officer · Anterix

Heather Martin (Chief Marketing Officer) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Anterix Inc. (ATEX). The largest single filing was $679K of ATEX (8,064 sh × $84.20, as filed), executed Sep 10. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$679K
shares × price, as filed
Last traded
Sep 10
Filed Sep 11

Median ADV $41.7M across their filed names

Open performance→
Volume by month
$679K$339K$0Dec 2024Jun 2025Dec 2025Jun 2026Sep 2026 · sells $679K
Buys $0 Sells $679K

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Communication Services 1 filing

Sector per market data · by filing · past 12 months

Most traded names
ATEX Anterix Inc. ATEX · 0 buys · 1 sell 1 filing
Recent filings
ATEXSALE Anterix Inc. View filing → $679K
8,064 sh × $84.20
Exec Sep 10
Filed Sep 11 · 4:09 PM ET