ATNI shareholder plans sale of 5,000 common shares

ATNI reports a planned sale of 5,000 shares of common stock through Fidelity Brokerage Services LLC on August 10, 2026 on NASDAQ.

Rhea-AI Filing Summary

ATNI reports a planned sale of 5,000 shares of common stock through Fidelity Brokerage Services LLC on August 10, 2026 on NASDAQ. The shares, with an aggregate market value of $154,650.00, trace to multiple long stock awards granted between 2018 and 2021.

Key Figures

Shares to be sold: 5,000 shares Aggregate market value: $154,650.00 Earliest stock award date: 03/08/2018 +1 more

4 metrics

Shares to be sold 5,000 shares Common stock planned for sale on NASDAQ

Aggregate market value $154,650.00 Market value of 5,000 common shares to be sold

Earliest stock award date 03/08/2018 Initial long stock award contributing to the shares

Latest stock award date 03/12/2021 Most recent long stock award listed

Key Terms

Form 144, stock award, aggregate market value, common stock

4 terms

Form 144 regulatory

"144: Securities Information Common | FIDELITY BROKERAGE SERVICES LLC"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

stock award financial

"Long | Stock Award | | | 221 | 03/08/2018 | Cash"

aggregate market value financial

"5000 | 154650.00 | 15403357 | 08/10/2026 | NASDAQ"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

common stock financial

"144: Securities Information Common | FIDELITY BROKERAGE SERVICES LLC"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does ATNI’s Form 144 filing disclose?

It discloses an intention to sell 5,000 shares of ATNI common stock, with an aggregate market value of $154,650.00, through a broker on NASDAQ on August 10, 2026.

How many ATNI shares are planned to be sold and at what value?

The filing states a planned sale of 5,000 common shares with an aggregate market value of $154,650.00. These figures come directly from the securities information section.

Which broker is handling the ATNI share sale under Form 144?

The sale is to be executed through Fidelity Brokerage Services LLC, listed at 245 Summer Street, Boston, MA 02110, as the broker for the 5,000-share NASDAQ transaction.

On which market will the ATNI Form 144 shares be sold?

The 5,000 ATNI common shares covered by this Form 144 are listed for sale on NASDAQ, as indicated in the securities information section of the filing.

What is the origin of the ATNI shares covered by this Form 144?

The common shares derive from multiple long stock awards granted between 2018 and 2021, with individual award dates such as March 8, 2018 and March 11, 2021 referenced in the disclosure.

Does the ATNI Form 144 mention recent sales of these securities?

The document references a section for securities sold during the past 3 months, but the provided excerpt only details the planned sale of 5,000 shares and the underlying award history.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/10/2026 - 03:46 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001735750
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ATN International, Inc.
SEC File Number	001-12593
Address of Issuer	500 CUMMINGS CENTER BEVERLY MASSACHUSETTS 01915
Phone	9786191300
Name of Person for Whose Account the Securities are To Be Sold	Mabey Mary
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	FIDELITY BROKERAGE SERVICES LLC 245 Summer Street BOSTON MA 02110	5000	154650.00	15403357	08/10/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/08/2018	Long	Stock Award			221	03/08/2018	Cash
Common	03/09/2018	Long	Stock Award			229	03/09/2018	Cash
Common	03/17/2018	Long	Stock Award			415	03/17/2018	Cash
Common	03/17/2018	Long	Stock Award			367	03/17/2018	Cash
Common	03/20/2018	Long	Stock Award			227	03/20/2018	Cash
Common	03/07/2019	Long	Stock Award			327	03/07/2019	Cash
Common	03/08/2019	Long	Stock Award			177	03/08/2019	Cash
Common	03/09/2019	Long	Stock Award			184	03/09/2019	Cash
Common	03/07/2020	Long	Stock Award			328	03/07/2020	Cash
Common	03/08/2020	Long	Stock Award			177	03/08/2020	Cash
Common	03/09/2020	Long	Stock Award			184	03/09/2020	Cash
Common	03/13/2020	Long	Stock Award			720	03/13/2020	Cash
Common	03/05/2021	Long	Stock Award			315	03/05/2021	Cash
Common	03/08/2021	Long	Stock Award			170	03/08/2021	Cash
Common	03/11/2021	Long	Stock Award			806	03/11/2021	Cash
Common	03/12/2021	Long	Stock Award			153	03/12/2021	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/10/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jordyn Davis as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Mabey Mary
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)