A Form 4 filed on August 21, 2026 discloses that Cornelius B. Prior Jr., a director of ATN International, Inc. (NASDAQ:ATNI), sold a combined 10,500 shares of common stock on August 19 and August 20, 2026, through an indirect holding entity.

Key Highlights

  • August 19 sale: 10,000 shares disposed of at a weighted average price of $31.8617, with individual transaction prices ranging from $31.70 to $32.00, inclusive.
  • August 20 sale: 500 additional shares disposed of at $31.25.
  • Selling entity: Both transactions were executed indirectly through VI E-Cell Tropical Telecom Ltd, which held 47,165 shares following the reported transactions.
  • Direct holdings: Prior also holds 3,982,303 shares of common stock directly, 500 shares indirectly through his wife, and 8,227 shares indirectly through Tropical Aircraft Co.
  • Transaction code: Both sales are coded "S," indicating open-market sales, according to the filing.
  • Weighted average disclosure: The filing notes the reporting person will provide full per-share breakdown upon request to ATN International, any security holder, or the SEC staff.

Prior's Share Sales Through VI E-Cell Tropical Telecom Ltd

According to the filing, Cornelius B. Prior Jr. is identified as a director of ATN International, Inc. The two reported transactions reduced the indirect stake held by VI E-Cell Tropical Telecom Ltd from an implied 58,165 shares to 47,165 shares following the two sales on August 19 and August 20, 2026.

The August 19 transaction involved 10,000 shares sold at a weighted average price of $31.8617. Per the filing's footnote, "These shares were sold in multiple transactions at prices ranging from $31.70 to $32.00, inclusive." The August 20 transaction covered 500 shares at a stated price of $31.25, with no weighted-average qualification noted for that transaction.

Beyond the indirect holdings through VI E-Cell Tropical Telecom Ltd, the filing reports Prior's direct beneficial ownership at 3,982,303 shares of common stock. Additional indirect positions include 500 shares held through his wife and 8,227 shares held through Tropical Aircraft Co. No derivative securities transactions were reported. The form was signed by Andy Fienberg as Attorney-in-Fact on August 21, 2026.

What Was Disclosed

Director Cornelius B. Prior Jr. disclosed the sale of 10,500 shares of ATN International common stock across two dates via an indirect entity, with total beneficial ownership across all holdings remaining substantial after the transactions.