13 insiders reported 126 Form 4 transactions for ATN International, Inc. (ATNI) over the past 18 months (most recent 2026-08-21). Recent activity: PRIOR CORNELIUS B JR (10% Owner) Sell 10,000 shares, Jacobs Patricia (Director) Sell 1,000 shares, PRIOR CORNELIUS B JR (10% Owner) Sell 500 shares, PRIOR CORNELIUS B JR (10% Owner) Sell 5,745 shares, PRIOR CORNELIUS B JR (10% Owner) Sell 1,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 10,000 | $318,617 |
| 2026-08-21 | Jacobs Patricia | Director | Sell | 1,000 | $31,140 |
| 2026-08-21 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,625 |
| 2026-08-19 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 5,745 | $182,651 |
| 2026-08-19 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 1,000 | $31,750 |
| 2026-08-17 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 2,500 | $80,125 |
| 2026-08-17 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 26 | $835 |
| 2026-08-12 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 12,000 | $0 |
| 2026-08-12 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 6,500 | $211,213 |
| 2026-08-12 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $16,625 |
| 2026-08-11 | Mabey Mary | SVP AND GENERAL COUNSEL | Sell | 5,000 | $160,625 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $14,378 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,125 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $14,398 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,152 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,150 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $14,482 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,150 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $14,475 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,175 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $14,550 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,125 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $14,575 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,175 |
| 2026-08-10 | PRIOR CORNELIUS B JR | 10% Owner | Sell | 500 | $15,250 |
Source: SEC Form 4 filings · as of 2026-08-21