InsiderTrades

Form 4 for ATEX Anterix Inc.

Accepted 2026-06-18 16:40:36 ET · period of report 2026-06-17 · accession 0002090789-26-000007 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-06-18 16:40 2026-06-17 ATEX Marquez Elena CFO M - OptEx $40.00 +1,226 22.7K +6% +$49.0K
D 2026-06-18 16:40 2026-06-17 ATEX Marquez Elena CFO S - Sale+OE $79.50 -4,291 18.4K -19% -$341.1K
D 2026-06-18 16:40 2026-06-17 ATEX Marquez Elena CFO M - OptEx $0.00 -1,226 2,454 -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-17 M A 1,226 $40.00 22,678 D — —
2 Common Common Stock 2026-06-17 S D 4,291 $79.50 18,387 D — —
3 Derivative Stock Option (Right to Buy) 2026-06-17 M D 1,226 $0.00 2,454 D $40.00 · — to 2035-04-03 1,226 Common Stock (F1) The option shares vest and become exercisable in three equal annual installments beginning on October 4, 2025.