InsiderTrades

Form 4 for ATNI ATN International, Inc.

Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-07 · accession 0001739251-26-000002 · 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 2026-03-10 2026-03-07 ATNI Martin Brad W CEO, Dir M - OptEx — +6,380 111.2K +6% —
DM 2026-03-10 2026-03-07 ATNI Martin Brad W CEO, Dir F - Tax $24.18 -4,090 107.1K -4% -$98.9K
D 2026-03-10 2026-03-07 ATNI Martin Brad W CEO, Dir M - OptEx $0.00 -11.0K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-07 M A 6,380 — 111,203 D — — (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).
2 Common Common Stock 2026-03-07 F D 2,780 $24.18 108,423 D — — (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).
3 Common Common Stock 2026-03-07 F D 1,310 $24.18 107,113 D — — (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.
4 Derivative Performance-Based Restricted Stock Units 2026-03-07 M D 11,000 $0.00 0 D $0.00 · 2026-03-07 to 2026-03-07 11,000 Common Stock