Martin Heather — SEC Form 4 filings
SEC reporting owner CIK 2090798. 2 Form 4 filings on record with FilingPulse; latest filed 2026-09-11.
Transaction summary — filings shown
Covers all 2 filings on record, filed 2026-05-22 to 2026-09-11. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 1 leg across 1 filing — 8,064 shares, $678,998 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: sale of 8,064 shares @ $84.20 ($678,998) in Anterix Inc., filed 2026-09-11.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Anterix Inc. (ATEX) | Chief Marketing Officer | 2 | — | 1 leg · 8,064 sh · $678,998 | 3 |
Form 4 filings — Martin Heather
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-11 | 4 | Anterix Inc. (ATEX) | Tax withholding (F): 3,465 @ $85.44 · Sale (S): 8,064 @ $84.20 | EDGAR |
| 2026-05-22 | 4 | Anterix Inc. (ATEX) | Grant/award (A): 3,694 @ $0 · Grant/award (A): 17,453 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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