Key facts
- This page summarizes Michael T. Prior's Form 4 filing for ATN International, Inc. (ATNI).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 27 Mar 2026, 17:36.
Michael T. Prior - 25 Mar 2026 Form 4 Insider Report for ATN International, Inc. (ATNI)
- Reporting relationship
- Director, EXECUTIVE CHAIRMAN
- Issuer ticker
- ATNI
- Reported as of
- 25 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 27 Mar 2026, 17:36:29 UTC
- Prior SEC filing
- 27 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Michael T. Prior
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Michael T. Prior filed Form 4 for ATN International, Inc. (ATNI) on 27 Mar 2026.
Change
- Previous filing in this sequence was filed on 27 Mar 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001244465
Primary reporting owner
PRIOR MICHAEL T
- Relationship
- Director, EXECUTIVE CHAIRMAN
- Address
- C/O ATN INTERNATIONAL, INC., 500 CUMMINGS CENTER, BEVERLY
- Signature
- /s/ Michael T. Prior
- Signature date
- 27 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ATNI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -2,378
- Change %
- -0.4%
- Price
- $27.92*
- Shares after
- 587,673
- Date
- 25 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
ATNI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 128,847
- Date
- 25 Mar 2026
- Ownership
- Trustee of Lauren S. Prior 2013 Trust
ATNI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 8,141
- Date
- 25 Mar 2026
- Ownership
- Trustee of JP 2018 Trust
ATNI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 7,741
- Date
- 25 Mar 2026
- Ownership
- Trustee of WP 2015 Trust
ATNI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 8,041
- Date
- 25 Mar 2026
- Ownership
- Trustee of RP 2014 Trust
ATNI
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 7,982
- Date
- 25 Mar 2026
- Ownership
- Trustee of Prior Family Trust 2019
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Represents shares withheld by the Company for payment of Mr. Prior's tax obligation arising from the vesting of previously granted Restricted Stock Units.