Welcome to our dedicated page for Atn Internationl SEC filings (Ticker: ATNI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. Securities and Exchange Commission filings for ATN International, Inc. (Nasdaq: ATNI), a provider of digital infrastructure and communications services headquartered in Beverly, Massachusetts. Through these filings, investors can review how the company reports its financial condition, operating results, and corporate actions.
ATN’s Form 8-K current reports illustrate the type of information disclosed between periodic reports. For example, the company has filed 8-Ks to furnish press releases announcing quarterly financial results and to report the outcomes of its Annual Meeting of Stockholders, including director elections, advisory votes on executive compensation, and ratification of its independent registered public accounting firm. These filings also confirm that ATN’s common stock trades on The Nasdaq Stock Market LLC under the symbol ATNI.
In its earnings-related filings and attached press releases, ATN presents segment data for International Telecom, US Telecom, and Corporate and Other, and reports revenue categories such as mobility, fixed, carrier services, construction, and all other. The company also discloses operating income (loss), capital expenditures, and non-GAAP measures including EBITDA, Adjusted EBITDA, Net Debt, and Net Debt Ratio, along with definitions of these terms.
On Stock Titan, SEC documents for ATN International, Inc. are supplemented with AI-powered summaries that highlight key points, explain technical terms, and help readers interpret complex sections of filings. Users can quickly identify items related to quarterly and annual results, shareholder votes, and other material events, and then drill down into the full text when more detail is needed.
ATN International executive chairman Michael T. Prior reported a routine tax-related share disposition. On this Form 4, 2,378 shares of ATN International common stock were withheld by the company at a price of $27.92 per share to cover his tax obligation from the vesting of previously granted restricted stock units.
After this withholding, Prior directly holds 587,673 common shares. The filing also shows additional indirect holdings through several family trusts, where he is listed as trustee, indicating a substantial ongoing ownership position despite the tax-withholding transaction.
PRIOR MICHAEL T reported acquisition or exercise transactions in this Form 4 filing.
ATN International executive chairman Michael T. Prior received new equity awards in the form of restricted stock units and performance-based RSUs. On March 17, 2026 he was granted 13,524 performance-based RSUs, each representing a contingent right to one share of common stock, and 13,524 shares of common stock via a stock-based award. The time-based restricted stock units will vest in four equal installments on March 17 of 2027, 2028, 2029 and 2030. The performance-based RSUs may deliver between zero and 150% of the 13,524 target shares based on relative total shareholder return versus the Russell 2000 Index over a performance period from March 17, 2026 to March 17, 2029. Following these awards, Prior directly holds 590,051 shares of ATN International common stock.
ATN International executive chairman Michael T. Prior had 6,877 common shares withheld to cover tax obligations from restricted stock unit vesting. The shares were withheld on March 12 and March 13 at prices of $24.65 and $24.49 per share. After these tax-withholding dispositions, he directly holds 576,527 common shares and also reports additional indirect holdings through several family trusts.
ATN International executive chairman Michael T. Prior reported equity compensation activity tied to performance-based awards. Performance-based restricted stock units for 25,000 shares of common stock vested based on relative total shareholder return versus the Russell 2000, resulting in shares being issued at 58% of the target amount.
Of the vested shares, 9,412 common shares were withheld by the company to cover Prior’s tax obligations at a price of $24.18 per share. Following these transactions, he directly owns 583,404 common shares and also has additional indirect holdings as trustee of several family trusts.
ATN International senior vice president and general counsel Mary Mabey had 875 shares of common stock withheld by the company at $27.92 per share to cover taxes from vesting restricted stock units. This routine tax-withholding disposition leaves her holding 65,402 shares of common stock directly.
ATN International, Inc. chief executive officer Brad W. Martin reported a routine tax-related share disposition. On the vesting of previously granted restricted stock units, the company withheld 1,237 shares of common stock at $27.92 per share to cover his tax obligations. After this withholding, Martin directly holds 126,129 shares of ATN International common stock, indicating this was a relatively small, non-market transaction tied to compensation rather than an open-market trade.
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.