Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 35 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 25, 2026 ATNI F 560 $27.92 $15,635 49,707 Direct -1.11% Disposed 1.5% (price as of 2026-10-06)
March 17, 2026 ATNI A 10,820 · · 50,267 Direct +27.43% Acquired (price as of 2026-10-06)
March 17, 2026 ATNI A 10,820 · · 10,820 Direct · Acquired (price as of 2026-10-06)
March 13, 2026 ATNI F 1,671 $24.49 $40,923 39,447 Direct -4.06% Disposed 15.7% (price as of 2026-10-06)
March 12, 2026 ATNI F 903 $24.65 $22,259 41,118 Direct -2.15% Disposed 15.0% (price as of 2026-10-06)
March 7, 2026 ATNI M 3,190 · · 44,058 Direct +7.81% Acquired (price as of 2026-10-06)
March 7, 2026 ATNI F 1,424 $24.18 $34,432 42,634 Direct -3.23% Disposed 17.2% (price as of 2026-10-06)
March 7, 2026 ATNI F 613 $24.18 $14,822 42,021 Direct -1.44% Disposed 17.2% (price as of 2026-10-06)
March 7, 2026 ATNI M 5,500 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
April 7, 2025 ATNI A 16,988 · · 40,868 Direct +71.14% Acquired (price as of 2026-10-06)
April 7, 2025 ATNI A 16,988 · · 16,988 Direct · Acquired (price as of 2026-10-06)
March 25, 2025 ATNI M 3,591 · · 25,391 Direct +16.47% Acquired (price as of 2026-10-06)
March 25, 2025 ATNI F 1,093 $20.91 $22,855 24,298 Direct -4.30% Disposed 35.5% (price as of 2026-10-06)
March 25, 2025 ATNI F 418 $20.91 $8,740 23,880 Direct -1.72% Disposed 35.5% (price as of 2026-10-06)
March 25, 2025 ATNI M 5,700 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
March 12, 2025 ATNI F 752 $20.36 $15,311 21,800 Direct -3.33% Disposed 39.2% (price as of 2026-10-06)
March 9, 2025 ATNI F 281 $19.89 $5,589 22,552 Direct -1.23% Disposed 42.5% (price as of 2026-10-06)
March 7, 2025 ATNI F 476 $19.89 $9,468 22,833 Direct -2.04% Disposed 42.5% (price as of 2026-10-06)
March 25, 2024 ATNI F 640 $30.21 $19,334 23,360 Direct -2.67% Disposed -6.2% (price as of 2026-10-06)
March 14, 2024 ATNI A 8,692 · · 22,428 Direct +63.28% Acquired (price as of 2026-10-06)
March 14, 2024 ATNI A 8,690 · · 14,190 Direct +158.00% Acquired (price as of 2026-10-06)
March 12, 2024 ATNI A 8,692 · · 22,428 Direct +63.28% Acquired (price as of 2026-10-06)
March 12, 2024 ATNI A 8,692 · · 14,192 Direct +158.04% Acquired (price as of 2026-10-06)
March 11, 2024 ATNI F 262 $32.99 $8,643 13,736 Direct -1.87% Disposed -14.1% (price as of 2026-10-06)
March 9, 2024 ATNI F 387 $33.06 $12,794 13,998 Direct -2.69% Disposed -14.3% (price as of 2026-10-06)
March 8, 2024 ATNI M 2,795 · · 25,223 Direct +12.46% Acquired (price as of 2026-10-06)
March 8, 2024 ATNI F 1,274 $33.06 $42,118 23,949 Direct -5.05% Disposed -14.3% (price as of 2026-10-06)
March 8, 2024 ATNI M 3,250 · · 20,347 Direct +19.01% Acquired (price as of 2026-10-06)
March 7, 2024 ATNI F 659 $32.20 $21,220 14,385 Direct -4.38% Disposed -12.0% (price as of 2026-10-06)
March 25, 2023 ATNI F 589 $38.74 $22,818 15,044 Direct -3.77% Disposed -26.8% (price as of 2026-10-06)
March 13, 2023 ATNI F 206 $40.10 $8,261 15,633 Direct -1.30% Disposed -29.3% (price as of 2026-10-06)
March 11, 2023 ATNI F 256 $40.49 $10,365 15,839 Direct -1.59% Disposed -30.0% (price as of 2026-10-06)
March 9, 2023 ATNI F 378 $40.69 $15,381 16,095 Direct -2.29% Disposed -30.4% (price as of 2026-10-06)
March 7, 2023 ATNI A 5,500 · · 16,473 Direct +50.12% Acquired (price as of 2026-10-06)
March 7, 2023 ATNI A 5,500 · · 5,500 Direct · Acquired (price as of 2026-10-06)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 17, 2026 ATNI Performance-Based Restricted Stock Units Common Stock (10,820) $0.00 · 10,820 Acquired
March 7, 2026 ATNI Performance-Based Restricted Stock Units Common Stock (5,500) $0.00 March 7, 2026 5,500 Disposed
April 7, 2025 ATNI Performance-Based Restricted Stock Units Common Stock (16,988) $0.00 · 16,988 Acquired
March 25, 2025 ATNI Performance-Based Restricted Stock Units Common Stock (5,700) $0.00 March 25, 2025 5,700 Disposed
March 14, 2024 ATNI Performance-Based Restricted Stock Units Common Stock (8,690) $0.00 · 8,690 Acquired
March 12, 2024 ATNI Performance-Based Restricted Stock Units Common Stock $0.00 · 8,692 Acquired
March 8, 2024 ATNI Performance-Based Restricted Stock Units Common Stock (3,250) $0.00 · 3,250 Acquired
March 7, 2023 ATNI Performance-Based Restricted Stock Units Common Stock $0.00 · 5,500 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 16, 2022 ATNI Common Stock · Direct
June 16, 2022 ATNI Performance-Based Restricted Stock Units→ Common Stock · Direct
June 16, 2022 ATNI Performance-Based Restricted Stock Units→ Common Stock · Direct