Nasdaq · CIK 0000879585
ATNI ATN International, Inc.
Insider trading from SEC Form 4. Last filing 8 d ago. Close $25.49 on Oct 9, 2026, +89% from the 52-week low and -20% from the high.
In brief
ATN International, Inc. (ATNI) has 85 SEC Form 4 filings on file from 9 insiders, the latest filed on Oct 5, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 11 open-market sells worth $2.2M, net -$2.2M.
17 open-market trades have been scored at ATNI. The newest: Cornelius B Prior Jr (10% owner) sold $308k of stock on Aug 7, 2026, filed Sep 18, 2026, scored 51 (moderate). The largest of the 17 shown: Cornelius B Prior Jr (10% owner) sold $2.3M on May 7, 2026, scored 47 (moderate). 3 insiders sold within 14 days of each other around Aug 7, 2026.
7 Form 144 notices of planned sales are on file, the latest filed Sep 15, 2026.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at ATN International, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 51Moderate | Cornelius B Prior Jr owner sell | $308k 9,867 shares | -33% | +134% from low0% from high | |
| 37Weak | Cornelius B Prior Jr owner sell | $221k 7,124 shares | -19% | +126% from low-4% from high | |
| 29Weak | Patricia Jacobs director sell | $45k 1,500 shares | -7% | +121% from low-6% from high | |
| 46Moderate | Cornelius B Prior Jr owner sell | $313k 10,000 shares | -21% | +127% from low-4% from high | |
| 47Moderate | Cornelius B Prior Jr owner sell | $334k 10,500 shares | -18% | +134% from low-1% from high | |
| 35Weak | Patricia Jacobs director sell | $31k 1,000 shares | -4% | +128% from low-3% from high | |
| 44Moderate | Cornelius B Prior Jr owner sell | $214k 6,745 shares | -10% | +131% from low-2% from high | |
| 36Weak | Cornelius B Prior Jr owner sell | $81k 2,526 shares | -4% | +133% from low-1% from high | |
| 40Moderate | Cornelius B Prior Jr owner sell | $228k 7,000 shares | -9% | +135% from low0% from high | |
| 41Moderate | Mary Mabey SVP AND GENERAL COUNSEL sell | $161k 5,000 shares | -8% | +135% from low0% from high | |
| 39Weak | Cornelius B Prior Jr owner sell | $224k 7,500 shares | -9% | +124% from low0% from high | |
| 23Weak | Cornelius B Prior Jr owner sell | $138k 5,000 shares | -6% | +101% from low-7% from high | |
| 18Weak | Cornelius B Prior Jr owner sell | $41k 1,500 shares | -2% | +94% from low-10% from high | |
| 47Moderate | Cornelius B Prior Jr owner sell | $2.3M 82,064 shares | -41% | +94% from low-13% from high | |
| 62Notable | Michael T Prior CHAIRMAN AND CEO buy | $311k 10,000 shares | +2% | +11% from low-36% from high | |
| 62Notable | Pamela F Lenehan director buy | $297k 9,500 shares | +86% | +11% from low-36% from high | |
| 54Moderate | Richard J Ganong director buy | $99k 3,200 shares | +21% | +11% from low-36% from high |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 15, 2026 | Prior Family Foundation DTD 6/9/06 Stakeholder | 5,000 0.03% of outstanding | $155k | Sep 15, 2026 | $2.4M |
| Aug 24, 2026 | Prior Family Foundation DTD 6/9/06 Stakeholder | 5,000 0.03% of outstanding | $155k | Aug 24, 2026 | $3.3M |
| Aug 20, 2026 | Prior Family Foundation DTD 6/9/06 Stakeholder | 5,000 0.03% of outstanding | $155k | Aug 20, 2026 | $3.2M |
| Aug 17, 2026 | Prior Family Foundation DTD 6/9/06 Stakeholder | 5,000 0.03% of outstanding | $157k | Aug 17, 2026 | $2.5M |
| Aug 14, 2026 | Prior Family Foundation DTD 6/9/06 Stakeholder | 5,000 0.03% of outstanding | $159k | Aug 14, 2026 | $2.4M |
| Aug 10, 2026 | Mabey Mary Officer | 5,000 0.03% of outstanding | $155k | Aug 10, 2026 | none |
| Jun 9, 2026 | Cornelius Prior Affiliate | 170,000 1.11% of outstanding | $4.8M | Jun 5, 2026 | none |
Transactions
The newest 50 of 198 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Cornelius B Prior Jr owner | GGift Common Stock | -13,500 | $0.00 | $0 | 3,956,303 | 8 d ago |
| Aug 7, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -4,500 | $31.03 | $140k | 25,541 | 25 d ago |
| Aug 21, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -5,367 | $31.32 | $168k | 20,174 | 25 d ago |
| Sep 4, 2026 | Cornelius B Prior Jr owner | GGift Common Stock | -12,500 | $0.00 | $0 | 3,969,803 | 25 d ago |
| Sep 2, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -2,582 | $31.12 | $80k | 34,583 | 39 d ago |
| Sep 3, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -4,542 | $31.02 | $141k | 30,041 | 39 d ago |
| Aug 31, 2026 | Patricia Jacobs director | SOpen-market sale Common Stock | -1,500 | $30.04 | $45k | 19,958 | 41 d ago |
| Aug 24, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -10,000 | $31.34 | $313k | 37,165 | Aug 26, 2026 |
| Aug 20, 2026 | Patricia Jacobs director | SOpen-market sale Common Stock | -1,000 | $31.14 | $31k | 21,458 | Aug 21, 2026 |
| Aug 19, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -10,000 | $31.86 | $319k | 47,665 | Aug 21, 2026 |
| Aug 20, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $31.25 | $16k | 47,165 | Aug 21, 2026 |
| Aug 17, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -5,745 | $31.79 | $183k | 58,665 | Aug 19, 2026 |
| Aug 18, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -1,000 | $31.75 | $32k | 57,665 | Aug 19, 2026 |
| Aug 13, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -2,500 | $32.05 | $80k | 64,436 | Aug 17, 2026 |
| Aug 14, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -26 | $32.10 | $835 | 64,410 | Aug 17, 2026 |
| Aug 10, 2026 | Cornelius B Prior Jr owner | GGift Common Stock | -12,000 | $0.00 | $0 | 3,982,303 | Aug 12, 2026 |
| Aug 10, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -6,500 | $32.49 | $211k | 67,436 | Aug 12, 2026 |
| Aug 10, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $33.25 | $17k | 66,936 | Aug 12, 2026 |
| Aug 10, 2026 | Mary Mabey SVP AND GENERAL COUNSEL | SOpen-market sale Common Stock | -5,000 | $32.13 | $161k | 60,402 | Aug 11, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $28.76 | $14k | 80,936 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.50 | $15k | 80,436 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $28.80 | $14k | 79,936 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.30 | $15k | 79,436 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.30 | $15k | 78,936 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $28.96 | $14k | 78,436 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.30 | $15k | 77,936 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $28.95 | $14k | 77,436 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.35 | $15k | 76,936 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $29.10 | $15k | 76,436 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.25 | $15k | 75,936 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $29.15 | $15k | 75,436 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.35 | $15k | 74,936 | Aug 10, 2026 |
| Aug 6, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $30.25 | $15k | 74,436 | Aug 10, 2026 |
| Aug 7, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $31.17 | $16k | 73,936 | Aug 10, 2026 |
| Jun 29, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $27.75 | $14k | 85,936 | Jul 1, 2026 |
| Jun 29, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -1,000 | $27.86 | $28k | 84,936 | Jul 1, 2026 |
| Jun 29, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -1,000 | $27.60 | $28k | 83,936 | Jul 1, 2026 |
| Jun 29, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -2,000 | $27.57 | $55k | 81,936 | Jul 1, 2026 |
| Jun 29, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $27.52 | $14k | 81,436 | Jul 1, 2026 |
| Jun 25, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $27.10 | $14k | 87,436 | Jun 29, 2026 |
| Jun 25, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $27.05 | $14k | 86,936 | Jun 29, 2026 |
| Jun 26, 2026 | Cornelius B Prior Jr owner | SOpen-market sale Common Stockindirect: By VI E-Cell Tropical Telecom Ltd | -500 | $27.10 | $14k | 86,436 | Jun 29, 2026 |
| Jun 16, 2026 | April Henry director | AGrant or award Common Stock | +4,788 | $27.15 | $130k | 26,338 | Jun 18, 2026 |
| Jun 16, 2026 | Pamela F Lenehan director | AGrant or award Common Stock | +4,788 | $27.15 | $130k | 38,086 | Jun 18, 2026 |
| Jun 16, 2026 | Bernard J Bulkin director | AGrant or award Common Stock | +4,788 | $27.15 | $130k | 37,217 | Jun 18, 2026 |
| Jun 16, 2026 | Patricia Jacobs director | AGrant or award Common Stock | +4,788 | $27.15 | $130k | 22,458 | Jun 18, 2026 |
| Jun 16, 2026 | April Henry director | AGrant or award Common Stock | +4,788 | $27.15 | $130k | 26,338 | Jun 18, 2026 |
| Jun 16, 2026 | Derek Hudson director | AGrant or award Common Stock | +4,788 | $27.15 | $130k | 17,157 | Jun 18, 2026 |
| Jun 16, 2026 | Derek Hudson director | FTax withholding Common Stock | -1,436 | $27.15 | $39k | 15,721 | Jun 18, 2026 |
| Apr 20, 2026 | Cornelius B Prior Jr owner | GGift Common Stock | -200,000 | $0.00 | $0 | 3,974,303 | Jun 15, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Bernard J Bulkindirector
- Richard J Ganongdirector
- April Henrydirector
- Derek Hudsondirector
- Patricia Jacobsdirector
- Pamela F Lenehandirector
- Mary MabeySVP AND GENERAL COUNSEL
- Cornelius B Prior Jrowner
- Michael T PriorCHAIRMAN AND CEO
Questions about ATNI
Answered from the filings on this page, as of the latest one.
Are insiders buying ATNI?
As of Oct 5, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 11 open-market sells worth $2.2M by 3 insiders at ATN International, Inc. in the last 90 days, net -$2.2M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade ATNI on the open market?
Cornelius B Prior Jr (10% owner) sold $308k of ATNI on Aug 7, 2026 and filed the Form 4 on Sep 18, 2026. InsiderTell scored 51 (moderate), with 3 insiders on the same side within 14 days.
How many insiders file Form 4 at ATN International, Inc.?
9 people have filed a Form 4 at ATN International, Inc., among them Bernard J Bulkin (director), Richard J Ganong (director), April Henry (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.