SEC Form 4 · Updated Daily
ATNI
— ATN INTERNATIONAL, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| PRIOR MICHAEL T | Director | 587,673 | 2026-03-25 | F |
| Martin Brad W | Director · Officer | 126,129 | 2026-03-25 | F |
| Mabey Mary | Officer | 60,402 | 2026-08-10 | S |
| Doglioli Carlos | Officer | 50,449 | 2026-03-17 | A |
| Leon Justin M | Officer | 49,707 | 2026-03-25 | F |
| LENEHAN PAMELA F | Director | 38,086 | 2026-06-16 | A |
| Bulkin Bernard J | Director | 37,217 | 2026-06-16 | A |
| Khoury Naji | Officer | 36,853 | 2026-04-24 | A |
| PRIOR CORNELIUS B JR | 10%+ Owner | 30,041 | 2026-09-03 | S |
| Henry April | Director | 26,338 | 2026-06-16 | A |
| Jacobs Patricia | Director | 19,958 | 2026-08-31 | S |
| Hudson Derek | Director | 15,721 | 2026-06-16 | F |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-03 | PRIOR CORNELIUS B JR | Open-market sale | 4,542 | $31.02 | 30,041 |
| 2026-09-02 | PRIOR CORNELIUS B JR | Open-market sale | 2,582 | $31.12 | 34,583 |
| 2026-08-31 | Jacobs Patricia | Open-market sale | 1,500 | $30.04 | 19,958 |
| 2026-08-24 | PRIOR CORNELIUS B JR | Open-market sale | 10,000 | $31.34 | 37,165 |
| 2026-08-20 | Jacobs Patricia | Open-market sale | 1,000 | $31.14 | 21,458 |
| 2026-08-20 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $31.25 | 47,165 |
| 2026-08-19 | PRIOR CORNELIUS B JR | Open-market sale | 10,000 | $31.86 | 47,665 |
| 2026-08-18 | PRIOR CORNELIUS B JR | Open-market sale | 1,000 | $31.75 | 57,665 |
| 2026-08-17 | PRIOR CORNELIUS B JR | Open-market sale | 5,745 | $31.79 | 58,665 |
| 2026-08-14 | PRIOR CORNELIUS B JR | Open-market sale | 26 | $32.10 | 64,410 |
| 2026-08-13 | PRIOR CORNELIUS B JR | Open-market sale | 2,500 | $32.05 | 64,436 |
| 2026-08-10 | Mabey Mary | Open-market sale | 5,000 | $32.13 | 60,402 |
| 2026-08-10 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $33.25 | 66,936 |
| 2026-08-10 | PRIOR CORNELIUS B JR | Open-market sale | 6,500 | $32.49 | 67,436 |
| 2026-08-10 | PRIOR CORNELIUS B JR | Gift | 12,000 | $0.00 | 3,982,303 |
| 2026-08-07 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $31.17 | 73,936 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.25 | 74,436 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.35 | 74,936 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $29.15 | 75,436 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.25 | 75,936 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $29.10 | 76,436 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.35 | 76,936 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $28.95 | 77,436 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.30 | 77,936 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $28.96 | 78,436 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.30 | 78,936 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.30 | 79,436 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $28.80 | 79,936 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $30.50 | 80,436 |
| 2026-08-06 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $28.76 | 80,936 |
| 2026-06-29 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $27.52 | 81,436 |
| 2026-06-29 | PRIOR CORNELIUS B JR | Open-market sale | 2,000 | $27.57 | 81,936 |
| 2026-06-29 | PRIOR CORNELIUS B JR | Open-market sale | 1,000 | $27.60 | 83,936 |
| 2026-06-29 | PRIOR CORNELIUS B JR | Open-market sale | 1,000 | $27.86 | 84,936 |
| 2026-06-29 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $27.75 | 85,936 |
| 2026-06-26 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $27.10 | 86,436 |
| 2026-06-25 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $27.05 | 86,936 |
| 2026-06-25 | PRIOR CORNELIUS B JR | Open-market sale | 500 | $27.10 | 87,436 |
| 2026-06-16 | LENEHAN PAMELA F | Grant / award | 4,788 | $27.15 | 38,086 |
| 2026-06-16 | Hudson Derek | Tax withholding | 1,436 | $27.15 | 15,721 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.