Mabey Mary 4

What Happened

• Mary Mabey, SVP and General Counsel of ATN International (ATNI), had a total of 3,319 shares withheld by the company to satisfy her tax obligation arising from the vesting of previously granted restricted stock units (RSUs). The withholdings occurred in two transactions: 1,122 shares at $24.65 on 2026-03-12 ($27,657) and 2,197 shares at $24.19 on 2026-03-13 ($53,145), totaling roughly $80,802. These are dispositions by withholding for taxes (transaction code F), not open-market sales.

Key Details

• Transaction dates and prices: 2026-03-12 — 1,122 shares @ $24.65; 2026-03-13 — 2,197 shares @ $24.19.
• Total shares withheld: 3,319; total value ≈ $80,802.
• Filing: Form 4 filed 2026-03-16 (appears timely relative to the reported transaction dates).
• Footnotes: F1 — shares were withheld by the company to pay Ms. Mabey’s tax obligation from RSU vesting. F2 refers to an existing footnote (1) in the filing.
• Shares owned after the transaction: not specified in the provided excerpt of the filing.

Context

• This transaction is an administrative tax-withholding following RSU vesting (code F), commonly done by companies to cover tax liabilities; it generally does not indicate a discretionary open-market sale or a change in the insider’s investment stance.
• For investors, routine withholding of vested shares is informational but typically less significant than voluntary market purchases or planned sales.