ATN International's three largest insider shareholders as of April 17, 2026 are Michael T Prior (Chairman And Ceo, 587.67K shares), Brad W Martin (Chief Executive Officer, 126.13K shares), Justin D Benincasa (Cfo, 68.14K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael T Prior | Chairman And Ceo | 587,673 | 0 | 27 Mar, 2026 |
| Brad W Martin | Chief Executive Officer | 126,129 | 0 | 27 Mar, 2026 |
| Justin D Benincasa | Cfo | 68,135 | 0 | 27 Mar, 2024 |
| Mary Mabey | Svp And General Counsel | 65,402 | 0 | 27 Mar, 2026 |
| Carlos Doglioli | Chief Financial Officer | 50,449 | 0 | 19 Mar, 2026 |
| Justin M Leon | Svp, Corporate Development | 49,707 | 0 | 27 Mar, 2026 |
| Bernard J Bulkin | - | 32,429 | 0 | 20 Jun, 2025 |
| Cornelius B Jr Prior | - | 0 | 32,232 | 10 Nov, 2021 |
| Richard J Ganong | - | 23,787 | 0 | 20 Jun, 2024 |
| April Henry | - | 21,550 | 0 | 20 Jun, 2025 |
| Patricia Jacobs | - | 17,670 | 0 | 20 Jun, 2025 |
| Derek Hudson | - | 12,369 | 0 | 20 Jun, 2025 |
| James S Eisenstein | - | 8,982 | 0 | 07 Jun, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 25 Mar, 2026 | Michael T Prior | Common Stock | D | 2,378 | $27.92 | 587,673 | D | F |
| 25 Mar, 2026 | Brad W Martin | Common Stock | D | 1,237 | $27.92 | 126,129 | D | F |
| 25 Mar, 2026 | Justin M Leon | Common Stock | D | 560 | $27.92 | 49,707 | D | F |
| 07 Mar, 2026 | Michael T Prior | Common Stock | A | 14,500 | - | 592,816 | D | M |
| 12 Mar, 2026 | Michael T Prior | Common Stock | D | 2,191 | $24.65 | 581,213 | D | F |
| 17 Mar, 2026 | Michael T Prior | Common Stock | A | 13,524 | $0.00 | 590,051 | D | A |
| 25 Mar, 2026 | Mary Mabey | Common Stock | D | 875 | $27.92 | 65,402 | D | F |
| 07 Mar, 2026 | Michael T Prior | Common Stock | D | 6,430 | $24.18 | 586,386 | D | F |
| 13 Mar, 2026 | Michael T Prior | Common Stock | D | 4,686 | $24.49 | 576,527 | D | F |
| 07 Mar, 2026 | Michael T Prior | Common Stock | D | 2,982 | $24.18 | 583,404 | D | F |
| 17 Mar, 2026 | Michael T Prior | Performance-Based Restricted Stock Units | A | 13,524 | $0.00 | 13,524 | D | A |
| 07 Mar, 2026 | Michael T Prior | Performance-Based Restricted Stock Units | D | 25,000 | $0.00 | 0 | D | M |
| 17 Mar, 2026 | Mary Mabey | Common Stock | A | 12,624 | $0.00 | 66,277 | D | A |
| 17 Mar, 2026 | Brad W Martin | Common Stock | A | 27,048 | $0.00 | 127,366 | D | A |
| 17 Mar, 2026 | Justin M Leon | Common Stock | A | 10,820 | $0.00 | 50,267 | D | A |
| 17 Mar, 2026 | Carlos Doglioli | Common Stock | A | 18,032 | $0.00 | 50,449 | D | A |
| 17 Mar, 2026 | Mary Mabey | Performance-Based Restricted Stock Units | A | 12,624 | $0.00 | 12,624 | D | A |
| 17 Mar, 2026 | Justin M Leon | Performance-Based Restricted Stock Units | A | 10,820 | $0.00 | 10,820 | D | A |
| 17 Mar, 2026 | Carlos Doglioli | Performance - Based Restricted Stock Units | A | 18,032 | $0.00 | 18,032 | D | A |
| 17 Mar, 2026 | Brad W Martin | Performance-Based Restricted Stock Units | A | 27,048 | $0.00 | 27,048 | D | A |