Martin Heather

Chief Marketing Officer

Martin Heather has filed 2 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Sep 11, 2026.

On the most recent filing, Martin Heather is listed as Chief Marketing Officer at Anterix Inc. Inside the rolling window, Martin Heather reported no open-market purchases and 1 open-market sale totaling $679K in ATEX.

Companies traded

Other insiders at ATEX

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$679K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
ATEXSale$679KSep 11SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Martin Heather made?

Martin Heather has filed 2 SEC Form 4 filings (3 transaction rows) across 1 company since 2026.

Which companies does Martin Heather trade?

Martin Heather has filed SEC Form 4 disclosures for 1 company, including ATEX.

When was Martin Heather's most recent SEC Form 4 filing?

Martin Heather's most recent SEC Form 4 filing on Tracefour is dated Sep 11, 2026.

What is Martin Heather's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Martin Heather is listed as Chief Marketing Officer.

What is Martin Heather's total buy and sell value in the current window?

Inside the rolling retention window, Martin Heather bought $0 and sold $679K based on SEC Form 4 filings.

What was Martin Heather's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 8,064 ATEX shares on 2026-09-10, worth $679K, per SEC Form 4 filings.