ATN International, Inc. filings document the regulatory record for a Nasdaq-listed telecommunications and digital infrastructure company. Its Form 8-K disclosures report operating and financial results, material events, executive leadership changes, material agreements, shareholder voting matters, and capital-structure information tied to its common stock.
ATNI proxy materials cover annual meeting proposals, board elections, executive compensation votes, auditor ratification, governance practices, and voting mechanics. The filing record also reflects disclosure themes associated with the company's U.S. and international telecom operations, broadband infrastructure investments, carrier and enterprise communications services, risk factors, and public-company governance obligations.
ATN International, Inc. senior vice president of corporate development Justin M. Leon reported a small, routine tax-withholding event. On the vesting of previously granted restricted stock units, the company withheld 560 shares of common stock at $27.92 per share to cover his tax obligation. Following this disposition, Leon directly holds 49,707 shares of ATN International common stock. This was not an open‑market sale but an administrative share withholding tied to equity compensation.
Martin Brad W reported acquisition or exercise transactions in this Form 4 filing.
ATN International CEO Brad W. Martin received new equity awards linked to the company’s stock. On March 17, 2026, he was granted 27,048 performance-based restricted stock units, each tied to one share of common stock, and a related award of 27,048 shares of common stock, both at no cash cost.
The restricted stock units will vest in four equal installments on March 17, 2027, 2028, 2029 and 2030. The performance-based units can pay out between zero and 150% of the 27,048 target shares, based on ATN’s total shareholder return versus the Russell 2000 Index over the performance period from March 17, 2026 to March 17, 2029. After these grants, Martin directly holds 127,366 shares of common stock.
Doglioli Carlos reported acquisition or exercise transactions in this Form 4 filing.
ATN International, Inc.’s Chief Financial Officer Carlos Doglioli received equity awards that increase his alignment with shareholders but do not involve open-market buying or selling. He was granted 18,032 performance-based restricted stock units (PSUs), each representing a contingent right to one share of common stock, and 18,032 time-based restricted stock units that will settle in common shares.
The time-based RSUs vest in four equal installments on each of March 17, 2027, 2028, 2029 and 2030, after which he receives an equal number of common shares. The PSUs are tied to pre-established relative total shareholder return goals versus the Russell 2000 Index over a performance period beginning March 17, 2026 and ending March 17, 2029, with actual shares earned ranging from zero to 150% of the target amount. Following these awards, his directly held common stock position reported in this filing is 50,449 shares.
Mabey Mary reported acquisition or exercise transactions in this Form 4 filing.
ATN International, Inc. reported that SVP and General Counsel Mary Mabey received equity awards that increase her direct ownership. She was granted 12,624 shares of common stock at no cost, bringing her direct common stock holdings to 66,277 shares after the award.
Mabey also received 12,624 performance-based restricted stock units, each representing a contingent right to one share of common stock. Between zero and 150% of these PSUs may vest based on relative total shareholder return performance from March 17, 2026 through March 17, 2029. A separate restricted stock unit grant will vest in four equal installments on March 17 of 2027, 2028, 2029 and 2030.
Leon Justin M reported acquisition or exercise transactions in this Form 4 filing.
ATN International, Inc. reported that SVP, Corporate Development Justin M. Leon received equity awards on common stock. He was granted 10,820 performance-based restricted stock units (PSUs) and 10,820 restricted stock units, each at no cash cost.
The time-based restricted stock units will vest in four equal installments on March 17 of 2027, 2028, 2029 and 2030, delivering an equal number of common shares as they vest. The PSUs each represent a contingent right to one common share, with actual vesting between zero and 150% of the target amount based on relative total shareholder return versus the Russell 2000 Index over a performance period from March 17, 2026 to March 17, 2029. After these grants, Leon directly holds 50,267 common shares.
ATN International, Inc. senior vice president of corporate development Justin M. Leon reported routine share dispositions related to tax withholding. On March 12, 2026, the company withheld 903 shares of common stock at $24.65 per share to cover taxes from vesting restricted stock units. On March 13, 2026, an additional 1,671 shares were withheld at $24.49 per share for the same purpose. Following the March 13 transaction, Mr. Leon directly held 39,447 shares of ATN International common stock.
ATN International, Inc. Chief Financial Officer Carlos Doglioli reported routine share dispositions related to tax withholding on vested restricted stock units. On March 12, the company withheld 1,066 common shares at $24.65 per share to cover tax obligations, leaving him with 34,248 directly held shares. On March 13, the company withheld an additional 1,831 common shares at $24.49 per share for the same purpose, after which he directly owned 32,417 common shares. These Form 4 entries reflect tax-related share withholding rather than open-market sales.
ATN International, Inc. director and Chief Executive Officer Brad W. Martin reported routine tax-related share dispositions tied to restricted stock unit vesting. On March 12 and March 13, shares of Common Stock were withheld by the company at prices of $24.65 and $24.49 per share to cover his tax obligations. These Form 4 transactions are coded "F," indicating payment of tax liability by delivering securities rather than open-market sales. Following the most recent transaction, he directly holds 100,318 shares of Common Stock.
ATN International, Inc. senior vice president and general counsel Mary Mabey reported routine share dispositions related to tax withholding. On March 12 and 13, a total of 3,319 shares of common stock were withheld by the company to satisfy tax obligations from vesting restricted stock units. Following these transactions, she directly held 53,653 shares of common stock. These were not open-market sales but mechanical tax payments tied to equity compensation.
ATN International, Inc. is a Delaware-based provider of digital infrastructure and communications services focused on rural and remote markets in the US, Alaska, Bermuda, the Caribbean, Cayman Islands and Guyana. It operates through two main segments: US Telecom and International Telecom, offering fixed broadband, carrier, mobility and managed services.
The company emphasizes long-lived fiber and tower assets, recurring carrier contracts, and government-supported programs such as USF, Rural Health Care, E-rate and a large FCC Replace and Remove reimbursement allocation of approximately $517 million, of which about $202 million had been received by December 31, 2025. Internationally, it serves roughly 149,300 broadband and 399,200 mobile subscribers and continues to migrate customers to high-speed fiber and fixed wireless networks.
ATN highlights key risks including cybersecurity threats, severe weather and climate-related events, network outages and rising energy costs, reliance on government funding and major carrier agreements, geopolitical instability in the Caribbean, competitive pressure from larger carriers and new technologies such as low earth orbit satellite service, regulatory uncertainty in markets like Guyana and Bermuda, unionized labor and pension obligations in Alaska, and execution risk around major initiatives and capital investments. As of March 16, 2026, it had 15,367,611 common shares outstanding and a public float valued at about $231 million as of June 30, 2025.