Mabey Mary 4

What Happened Mary Mabey, SVP and General Counsel of ATN International (ATNI), had performance- and time-based equity awards settle on March 7, 2026. A total of 10,428 shares were issued upon conversion/vesting (3,828 and 6,600 share conversions reported). To cover tax obligations, 2,719 shares were withheld by the company (1,900 shares withheld valued at $24.18 each = $45,942; 819 shares withheld valued at $24.18 each = $19,803), for a total tax-withholding value of $65,745. Net shares issued to Ms. Mabey after withholding were 7,709.

Key Details

• Transaction date: March 7, 2026; Form 4 filed March 10, 2026 (appears timely).
• Transaction codes: M = exercise/conversion of derivatives (10,428 shares converted); F = shares withheld to satisfy tax liabilities (2,719 shares).
• Withholding prices: withheld shares reported at $24.18 per share (total withholding value $65,745).
• Shares owned after transaction: not specified in the provided excerpt of the filing.
• Footnotes of note:
  • F1: Common stock issued from vesting of performance-based RSUs (PSUs). The shares issued equal 58% of the target PSU award for the applicable performance period ending March 7, 2026.
  • F3/F4: 2,719 shares were withheld by the company to satisfy Ms. Mabey’s tax obligations arising from vesting of PSUs and restricted stock units.
  • F2: references the existing footnote (F1).

Context This filing reflects settlement/vesting of equity awards rather than an open-market purchase or voluntary sale. The withheld shares were used solely to cover tax liabilities (a common practice) and do not represent market sales by the insider. The conversion/exercise entries indicate equity awards became common shares; the withholding indicates a cashless tax payment rather than disposition into the market.