Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * PRIOR CORNELIUS B JR 2. Issuer Name and Ticker or Trading Symbol ATN International, Inc. [ATNI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ATN INTERNATIONAL, INC., 500 CUMMINGS CENTER 3. Date of Earliest Transaction (Month/Day/Year) 04/20/2026 (Street) BEVERLY, MA 01915 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/20/2026(1) G(2) 200,000 D $ 0 3,974,303 D(3) Common Stock 04/20/2026(1) G(2) 200,000 A $ 0 200,000 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/07/2026(1) S 3,500 D $25.54(4) 196,500 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/07/2026(1) S 2,500 D $26 194,000 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/08/2026(1) S 1,000 D $26.25 193,000 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/11/2026(1) S 5,000 D $27.25 188,000 I By VI E-Cell Tropical Telecom Ltd Common Stock 05/14/2026(1) S 2,000 D $27.25 186,000 I By VI E-Cell Tropical Telecom Ltd Common Stock 05/20/2026(1) S 3,500 D $27.02 182,500 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/21/2026(1) S 2,000 D $27.25 180,500 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/26/2026(1) S 2,854 D $27.96(5) 177,646 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/27/2026(1) S 17,500 D $28.17(6) 160,146 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/27/2026(1) G(7) 30,000 D $ 0 130,146 I By VI E-Cell TropicalTelecom Ltd Common Stock 05/27/2026(1) G(7) 30,000 A $ 0 4,004,303 D Common Stock 05/28/2026(1) S 2,500 D $28.25 127,646 I By VI E-Cell TropicalTelecom Ltd Common Stock 06/01/2026(1) S 12,610 D $28.29(8) 115,036 I By VI E-Cell TropicalTelecom Ltd Common Stock 06/02/2026(1) S 6,000 D $28.30(9) 109,036 I By VI E-Cell TropicalTelecom Ltd Common Stock 06/03/2026(1) G(10) 10,000 D $ 0 3,994,303 D Common Stock 06/11/2026 S 2,000 D $27.30 107,036 I By VI E-Cell TropicalTelecom Ltd Common Stock 06/12/2026 S 19,100 D $27.96(11) 87,936 I By VI E-Cell TropicalTelecom Ltd Common Stock 500 I By Wife Common Stock 8,227 I By Tropical Aircraft Co

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PRIOR CORNELIUS B JR C/O ATN INTERNATIONAL, INC. 500 CUMMINGS CENTER BEVERLY, MA 01915		X

Signatures

/s/ Andy Fienberg, Attorney-in-Fact		06/15/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This Form 4 is being filed late due to inadvertent administrative error.
(2)	Represents shares transferred by the reporting person to VI E-Cell Tropical Telecom Ltd. ("VI E-Cell"), a U.S. Virgin Islands limited company that is 80% owned by the reporting person and of which the reporting person serves as the chairman.
(3)	In the Form 4 filed by the reporting person on April 20, 2026, the reporting person inadvertently reported indirect beneficial ownership of 363,424 shares held as trustee of a revocable trust. Such shares are not reported on this Form 4 as they are held by a 501(c)(3) foundation and the reporting person has no pecuniary interest in such shares, and as such, have been removed from this filing to correct the prior report.
(4)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.00 to $25.75, inclusive. The reporting person undertakes to provide to ATN International, Inc., any security holder of ATN International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(5)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.87 to $28.00, inclusive. The reporting person undertakes to provide to ATN International, Inc., any security holder of ATN International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(6)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.00 to $28.65, inclusive. The reporting person undertakes to provide to ATN International, Inc., any security holder of ATN International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(7)	Represents shares transferred by VI E-Cell to the reporting person.
(8)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.25 to $28.35, inclusive. The reporting person undertakes to provide to ATN International, Inc., any security holder of ATN International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(9)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.30 to $28.31, inclusive. The reporting person undertakes to provide to ATN International, Inc., any security holder of ATN International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(10)	Represents a bona fide gift of 10,000 shares from the reporting person to a non-profit entity.
(11)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.56 to $28.40, inclusive. The reporting person undertakes to provide to ATN International, Inc., any security holder of ATN International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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