---
schema_version: "secwatch.filing_event.v1"
accession: "0001304492-25-000099"
form_type: "8-K"
ticker: "ATEX"
cik: "0001304492"
company_name: "Anterix Inc."
filed_at: "2025-09-18T23:59:59+00:00"
generated_at: "2026-05-17T06:12:51.630257+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Anterix appoints Elena Marquez as CFO and Heather Martin as CMO; CFO Tim Gray departs

## Summary
- CFO Tim Gray resigns effective Sept 19, 2025; Elena Marquez (VP Finance & Controller) named CFO effective Sept 22.
- Marquez receives $250k RSU grant vesting over three years and eligibility for Executive Severance Plan.
- Heather Martin appointed CMO and Chief of Staff; previously senior marketing leader at NRG Energy.
- CEO Scott Lang cites momentum from Accelerator initiative and FCC's 5x5 NPRM progress.

## SEC filing metadata
- accession: 0001304492-25-000099
- form_type: 8-K
- ticker: ATEX
- cik: 0001304492
- company_name: Anterix Inc.
- filed_at: 2025-09-18T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1304492/000130449225000099/0001304492-25-000099-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1304492/000130449225000099/atex-20250918.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001304492-25-000099
- JSON: https://secwatch.observer/filing/0001304492-25-000099.json
- Plain text: https://secwatch.observer/filing/0001304492-25-000099.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.