Skip to main content

Martin Heather's Form 4 filing

Anterix Inc. (ATEX) · filed Sep 11, 2026

Accession no.
0002090798-26-000006
Filed
Sep 11, 2026, 4:09 PM ET
Trade date
Sep 9-10, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 2 non-derivative transactions and 0 derivative transactions. Open-market sales total $679.0K. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Martin HeatherCIK 0002090798Officer (Chief Marketing Officer), Other: Chief of Staff

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Sep 9, 2026Common StockFTax withholdingDisposed−3,465$85.44−$296,049.634,807Direct
Sep 10, 2026Common StockSSaleDisposed−8,064$84.20−$678,997.6726,743Direct

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

Read the original on SEC EDGAR (opens in a new tab)