InsiderTrades

Form 4 for ATEX Anterix Inc.

Accepted 2026-06-17 19:07:15 ET · period of report 2026-06-15 · accession 0001571601-26-000006 · 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
DM 2026-06-17 19:07 2026-06-15 ATEX Lang Scott A. Pres, CEO, Dir M - OptEx $33.13 +138.3K 164.8K +523% +$4.58M
DM 2026-06-17 19:07 2026-06-15 ATEX Lang Scott A. Pres, CEO, Dir F - Tax $82.50 -88.1K 76.7K -53% -$7.27M
DM 2026-06-17 19:07 2026-06-15 ATEX Lang Scott A. Pres, CEO, Dir M - OptEx $0.00 -138.3K 149.0K -48% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-15 M A 63,788 $30.99 90,258 D — —
2 Common Common Stock 2026-06-15 M A 74,530 $34.96 164,788 D — —
3 Common Common Stock 2026-06-15 F D 39,621 $82.50 125,167 D — — (F1) The Reporting Person exercised a stock option to purchase 63,788 shares of the Issuer's Common Stock for $30.99 per share and paid the exercise price on a cashless basis, resulting in the Issuer withholding an aggregate of 39,621 shares of the Issuer's Common Stock subject to the stock option to pay the exercise price and to satisfy its income tax withholding and remittance obligations in connection with the exercise of the stock option. The withholding of shares referenced here does not involve an open market sale of stock.
4 Common Common Stock 2026-06-15 F D 48,470 $82.50 76,697 D — — (F2) The Reporting Person exercised a stock option to purchase 74,530 shares of the Issuer's Common Stock for $34.96 per share and paid the exercise price on a cashless basis, resulting in the Issuer withholding an aggregate of 48,470 shares of the Issuer's Common Stock subject to the stock option to pay the exercise price and to satisfy its income tax withholding and remittance obligations in connection with the exercise of the stock option. The withholding of shares referenced here does not involve an open market sale of stock.
5 Derivative Stock Option (Right to Buy) 2026-06-15 M D 63,788 $0.00 127,538 D $30.99 · — to 2035-01-17 63,788 Common Stock (F3) 3. The shares subject to the option shall vest and become exercisable in three annual installments with vesting commencing on January 17, 2025, subject to the Reporting Person's continuous services to the Issuer through each such vesting date.
6 Derivative Stock Option (Right to Buy) 2026-06-15 M D 74,530 $0.00 149,016 D $34.96 · — to 2035-05-21 74,530 Common Stock (F4) The option shares subject to this option shall vest and become exercisable in three equal annual installments, with 1/3 of the option shares vesting and becoming exercisable on May 21, 2026, and with the remaining option shares vesting and becoming exercisable in two equal annual installments thereafter.