ATN International, Inc.·4

Mar 10, 4:39 PM ET

Martin Brad W 4

4 · ATN International, Inc. · Filed Mar 10, 2026

Research Summary

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ATN (ATNI) CEO Brad Martin Receives Award; Shares Withheld for Taxes

What Happened
Brad Martin, CEO of ATN International (ATNI), had performance-based awards convert into common stock on March 7, 2026. The filing shows conversion/exercise of derivative awards resulting in 6,380 shares acquired. In connection with the vesting/conversion, the company withheld 2,780 shares (valued at $24.18 each, $67,220) and 1,310 shares (valued at $24.18 each, $31,676) to satisfy tax obligations — a total of 4,090 shares withheld for taxes valued at $98,896. The filing also reports conversion/exercise of 11,000 derivative shares (reported as a $0.00 per-share derivative conversion/disposition).

Key Details

  • Transaction date: March 7, 2026; Form 4 filed March 10, 2026.
  • Prices reported for withheld shares: $24.18 per share; withheld shares: 2,780 and 1,310 (total 4,090) valued at $98,896.
  • Shares acquired (conversion/exercise): 6,380 shares (reported as acquired).
  • Additional derivative conversion/disposition: 11,000 shares reported at $0.00 (derivative conversion).
  • Shares owned after the transactions: not disclosed in the filing.
  • Footnotes: the PSUs vested based on pre-established relative TSR goals and were issued at 58% of target (footnote); shares were withheld by the company to cover Mr. Martin’s tax obligations arising from vesting of Performance Stock Units (PSUs) and Restricted Stock Units (RSUs).
  • Filing timeliness: filing date is March 10, 2026 (reporting period 3/7/2026); no late-filing flag noted in the filing.

Context

  • These entries reflect award vesting and routine tax-withholding, not an open-market sale. Withholding of shares to cover taxes is common after PSU/RSU vesting (a form of cashless settlement). The conversion of derivative awards at $0.00 typically indicates conversion of previously granted equity awards rather than a cash sale.

Insider Transaction Report

Form 4
Period: 2026-03-07
Martin Brad W
DirectorCHIEF EXECUTIVE OFFICER
Transactions
  • Exercise/Conversion

    Common Stock

    [F1][F2]
    2026-03-07+6,380111,203 total
  • Tax Payment

    Common Stock

    [F3]
    2026-03-07$24.18/sh2,780$67,220108,423 total
  • Tax Payment

    Common Stock

    [F4]
    2026-03-07$24.18/sh1,310$31,676107,113 total
  • Exercise/Conversion

    Performance-Based Restricted Stock Units

    2026-03-0711,0000 total
    Exercise: $0.00From: 2026-03-07Exp: 2026-03-07Common Stock (11,000 underlying)
Footnotes (4)
  • [F1]Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last trading days of the applicable performance period, which ended on March 7, 2026. The aggregate number of shares issued is 58% of the target number of PSU shares previously reported.
  • [F2]Refer to existing footnote (1).
  • [F3]Represents shares withheld by the Company for payment of Mr. Martin's tax obligation arising from the vesting of previously granted Performance Stock Units in the existing footnote (1).
  • [F4]Represents shares withheld by the Company for payment of Mr. Martin's tax obligations arising from the vesting of previously granted Restricted Stock Units.
Signature
/s/ Brad W. Martin|2026-03-10

Documents

1 file
  • 4
    form4-03102026_080351.xmlPrimary