Michael T Prior
Insider
First SEC filing: Feb. 6, 2024 · Latest: Feb. 6, 2024
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 25, 2026 | ATNI | F | 2,378 | $27.92 | $66,394 | 587,673 Direct | -0.40% | Disposed | 0.0% (price as of 2026-10-02) |
| March 17, 2026 | ATNI | A | 13,524 | · | · | 590,051 Direct | +2.35% | Acquired | (price as of 2026-10-02) |
| March 17, 2026 | ATNI | A | 13,524 | · | · | 13,524 Direct | · | Acquired | (price as of 2026-10-02) |
| March 13, 2026 | ATNI | F | 4,686 | $24.49 | $114,760 | 576,527 Direct | -0.81% | Disposed | 14.0% (price as of 2026-10-02) |
| March 12, 2026 | ATNI | F | 2,191 | $24.65 | $54,008 | 581,213 Direct | -0.38% | Disposed | 13.2% (price as of 2026-10-02) |
| March 7, 2026 | ATNI | M | 14,500 | · | · | 592,816 Direct | +2.51% | Acquired | (price as of 2026-10-02) |
| March 7, 2026 | ATNI | F | 6,430 | $24.18 | $155,477 | 586,386 Direct | -1.08% | Disposed | 15.4% (price as of 2026-10-02) |
| March 7, 2026 | ATNI | F | 2,982 | $24.18 | $72,105 | 583,404 Direct | -0.51% | Disposed | 15.4% (price as of 2026-10-02) |
| March 7, 2026 | ATNI | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 7, 2025 | ATNI | A | 42,472 | · | · | 578,316 Direct | +7.93% | Acquired | (price as of 2026-10-02) |
| April 7, 2025 | ATNI | A | 42,472 | · | · | 42,472 Direct | · | Acquired | (price as of 2026-10-02) |
| March 25, 2025 | ATNI | M | 13,514 | · | · | 535,844 Direct | +2.59% | Acquired | (price as of 2026-10-02) |
| March 25, 2025 | ATNI | M | 21,450 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 29, 2024 | ATNI | P | 10,000 | $19.88 | $198,800 | 523,026 Direct | +1.95% | Acquired | 40.4% (price as of 2026-10-02) |
| March 25, 2024 | ATNI | F | 2,431 | $30.21 | $73,441 | 513,026 Direct | -0.47% | Disposed | -7.6% (price as of 2026-10-02) |
| March 12, 2024 | ATNI | A | 21,720 | · | · | 514,760 Direct | +4.41% | Acquired | (price as of 2026-10-02) |
| March 12, 2024 | ATNI | A | 21,720 | · | · | 21,720 Direct | · | Acquired | (price as of 2026-10-02) |
| March 12, 2024 | ATNI | A | 21,720 | · | · | 514,760 Direct | +4.41% | Acquired | (price as of 2026-10-02) |
| March 12, 2024 | ATNI | A | 21,720 | · | · | 21,720 Direct | · | Acquired | (price as of 2026-10-02) |
| March 11, 2024 | ATNI | F | 3,186 | $32.99 | $105,106 | 493,040 Direct | -0.64% | Disposed | -15.4% (price as of 2026-10-02) |
| March 9, 2024 | ATNI | F | 2,271 | $33.06 | $75,079 | 487,327 Direct | -0.46% | Disposed | -15.6% (price as of 2026-10-02) |
| March 8, 2024 | ATNI | M | 16,641 | · | · | 503,968 Direct | +3.41% | Acquired | (price as of 2026-10-02) |
| March 8, 2024 | ATNI | F | 7,742 | $33.06 | $255,951 | 496,226 Direct | -1.54% | Disposed | -15.6% (price as of 2026-10-02) |
| March 8, 2024 | ATNI | M | 19,350 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| March 7, 2024 | ATNI | F | 2,926 | $32.20 | $94,217 | 489,598 Direct | -0.59% | Disposed | -13.3% (price as of 2026-10-02) |
| Nov. 20, 2023 | ATNI | P | 10,000 | $31.11 | $311,100 | 495,118 Direct | +2.06% | Acquired | -10.3% (price as of 2026-10-02) |
| March 25, 2023 | ATNI | F | 1,734 | $38.74 | $67,175 | 487,172 Direct | -0.35% | Disposed | -28.0% (price as of 2026-10-02) |
| March 25, 2023 | ATNI | F | 1,734 | $38.74 | $67,175 | 487,172 Direct | -0.35% | Disposed | -28.0% (price as of 2026-10-02) |
| March 13, 2023 | ATNI | F | 2,021 | $40.10 | $81,042 | 488,906 Direct | -0.41% | Disposed | -30.4% (price as of 2026-10-02) |
| March 13, 2023 | ATNI | F | 2,021 | $40.10 | $81,042 | 488,906 Direct | -0.41% | Disposed | -30.4% (price as of 2026-10-02) |
| March 11, 2023 | ATNI | F | 2,224 | $40.49 | $90,050 | 490,927 Direct | -0.45% | Disposed | -31.1% (price as of 2026-10-02) |
| March 11, 2023 | ATNI | F | 2,224 | $40.49 | $90,050 | 490,927 Direct | -0.45% | Disposed | -31.1% (price as of 2026-10-02) |
| March 9, 2023 | ATNI | F | 1,585 | $40.69 | $64,494 | 493,151 Direct | -0.32% | Disposed | -31.4% (price as of 2026-10-02) |
| March 9, 2023 | ATNI | F | 1,585 | $40.69 | $64,494 | 493,151 Direct | -0.32% | Disposed | -31.4% (price as of 2026-10-02) |
| March 7, 2023 | ATNI | A | 25,000 | · | · | 494,736 Direct | +5.32% | Acquired | (price as of 2026-10-02) |
| March 7, 2023 | ATNI | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 7, 2023 | ATNI | A | 25,000 | · | · | 494,736 Direct | +5.32% | Acquired | (price as of 2026-10-02) |
| March 7, 2023 | ATNI | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 25, 2022 | ATNI | A | 21,450 | · | · | 469,736 Direct | +4.78% | Acquired | (price as of 2026-10-02) |
| March 25, 2022 | ATNI | A | 21,450 | · | · | 21,450 Direct | · | Acquired | (price as of 2026-10-02) |
| March 13, 2022 | ATNI | F | 2,026 | $35.22 | $71,356 | 448,286 Direct | -0.45% | Disposed | -20.8% (price as of 2026-10-02) |
| March 11, 2022 | ATNI | F | 2,207 | $35.22 | $77,731 | 450,312 Direct | -0.49% | Disposed | -20.8% (price as of 2026-10-02) |
| March 9, 2022 | ATNI | F | 1,569 | $35.35 | $55,464 | 452,519 Direct | -0.35% | Disposed | -21.0% (price as of 2026-10-02) |
| March 7, 2022 | ATNI | F | 2,091 | $33.45 | $69,944 | 454,088 Direct | -0.46% | Disposed | -16.6% (price as of 2026-10-02) |
| Dec. 10, 2021 | ATNI | G | 10,774 | · | · | 459,544 Direct | +2.40% | Acquired | (price as of 2026-10-02) |
| March 13, 2021 | ATNI | F | 2,772 | $52.09 | $144,393 | 448,770 Direct | -0.61% | Disposed | -46.4% (price as of 2026-10-02) |
| March 11, 2021 | ATNI | F | 3,021 | $52.11 | $157,424 | 451,542 Direct | -0.66% | Disposed | -46.4% (price as of 2026-10-02) |
| March 9, 2021 | ATNI | A | 19,350 | · | · | 19,350 Direct | · | Acquired | (price as of 2026-10-02) |
| March 9, 2021 | ATNI | A | 19,350 | · | · | 454,563 Direct | +4.45% | Acquired | (price as of 2026-10-02) |
| March 8, 2021 | ATNI | F | 2,428 | $52.28 | $126,936 | 435,213 Direct | -0.55% | Disposed | -46.6% (price as of 2026-10-02) |
| March 7, 2021 | ATNI | F | 2,409 | $49.88 | $120,161 | 437,641 Direct | -0.55% | Disposed | -44.0% (price as of 2026-10-02) |
| Aug. 12, 2020 | ATNI | S 10b5-1 | 700 | $60.28 | $42,196 | 440,050 Direct | -0.16% | Disposed | -53.7% (price as of 2026-10-02) |
| Aug. 11, 2020 | ATNI | S 10b5-1 | 1,300 | $60.09 | $78,117 | 440,750 Direct | -0.29% | Disposed | -53.6% (price as of 2026-10-02) |
| July 30, 2020 | ATNI | S 10b5-1 | 300 | $64.02 | $19,206 | 128,847 Indirect | -0.23% | Disposed | -56.4% (price as of 2026-10-02) |
| July 15, 2020 | ATNI | S 10b5-1 | 2,000 | $62.49 | $124,980 | 129,147 Indirect | -1.53% | Disposed | -55.3% (price as of 2026-10-02) |
| June 1, 2020 | ATNI | S 10b5-1 | 2,000 | $60.43 | $120,860 | 442,050 Direct | -0.45% | Disposed | -53.8% (price as of 2026-10-02) |
| April 29, 2020 | ATNI | S 10b5-1 | 400 | $79.21 | $31,684 | 444,050 Direct | -0.09% | Disposed | -64.8% (price as of 2026-10-02) |
| April 29, 2020 | ATNI | S 10b5-1 | 900 | $76.82 | $69,138 | 444,450 Direct | -0.20% | Disposed | -63.7% (price as of 2026-10-02) |
| April 29, 2020 | ATNI | S 10b5-1 | 1,100 | $75.55 | $83,105 | 445,350 Direct | -0.25% | Disposed | -63.1% (price as of 2026-10-02) |
| April 24, 2020 | ATNI | S 10b5-1 | 939 | $70.00 | $65,730 | 131,147 Indirect | -0.71% | Disposed | -60.1% (price as of 2026-10-02) |
| April 24, 2020 | ATNI | S 10b5-1 | 1,700 | $70.00 | $119,000 | 446,450 Direct | -0.38% | Disposed | -60.1% (price as of 2026-10-02) |
| April 23, 2020 | ATNI | S 10b5-1 | 61 | $70.00 | $4,270 | 132,086 Indirect | -0.05% | Disposed | -60.1% (price as of 2026-10-02) |
| April 23, 2020 | ATNI | S 10b5-1 | 307 | $67.12 | $20,606 | 132,147 Indirect | -0.23% | Disposed | -58.4% (price as of 2026-10-02) |
| April 23, 2020 | ATNI | S 10b5-1 | 300 | $70.00 | $21,000 | 448,150 Direct | -0.07% | Disposed | -60.1% (price as of 2026-10-02) |
| March 17, 2020 | ATNI | S 10b5-1 | 300 | $69.23 | $20,769 | 132,454 Indirect | -0.23% | Disposed | -59.7% (price as of 2026-10-02) |
| March 17, 2020 | ATNI | S 10b5-1 | 214 | $68.16 | $14,586 | 132,754 Indirect | -0.16% | Disposed | -59.1% (price as of 2026-10-02) |
| March 17, 2020 | ATNI | S 10b5-1 | 1,171 | $67.08 | $78,551 | 132,968 Indirect | -0.87% | Disposed | -58.4% (price as of 2026-10-02) |
| March 17, 2020 | ATNI | S 10b5-1 | 200 | $69.07 | $13,814 | 8,041 Indirect | -2.43% | Disposed | -59.6% (price as of 2026-10-02) |
| March 17, 2020 | ATNI | S 10b5-1 | 300 | $68.08 | $20,424 | 8,241 Indirect | -3.51% | Disposed | -59.0% (price as of 2026-10-02) |
| March 13, 2020 | ATNI | F | 1,829 | $51.41 | $94,029 | 448,450 Direct | -0.41% | Disposed | -45.7% (price as of 2026-10-02) |
| March 11, 2020 | ATNI | A | 27,250 | · | · | 450,279 Direct | +6.44% | Acquired | (price as of 2026-10-02) |
| March 9, 2020 | ATNI | F | 2,423 | $50.68 | $122,798 | 423,029 Direct | -0.57% | Disposed | -44.9% (price as of 2026-10-02) |
| March 8, 2020 | ATNI | F | 2,423 | $55.52 | $134,525 | 425,452 Direct | -0.57% | Disposed | -49.7% (price as of 2026-10-02) |
| March 7, 2020 | ATNI | F | 2,856 | $55.52 | $158,565 | 427,875 Direct | -0.66% | Disposed | -49.7% (price as of 2026-10-02) |
| Feb. 20, 2020 | ATNI | S 10b5-1 | 726 | $62.10 | $45,085 | 134,139 Indirect | -0.54% | Disposed | -55.1% (price as of 2026-10-02) |
| Feb. 19, 2020 | ATNI | S 10b5-1 | 709 | $62.01 | $43,965 | 134,865 Indirect | -0.52% | Disposed | -55.0% (price as of 2026-10-02) |
| Feb. 18, 2020 | ATNI | S 10b5-1 | 2,240 | $62.10 | $139,104 | 135,574 Indirect | -1.63% | Disposed | -55.1% (price as of 2026-10-02) |
| Nov. 1, 2019 | ATNI | S 10b5-1 | 1,838 | $59.15 | $108,718 | 137,814 Indirect | -1.32% | Disposed | -52.8% (price as of 2026-10-02) |
| Nov. 1, 2019 | ATNI | S 10b5-1 | 1,495 | $58.32 | $87,188 | 139,652 Indirect | -1.06% | Disposed | -52.1% (price as of 2026-10-02) |
| March 17, 2019 | ATNI | F | 1,952 | $55.39 | $108,121 | 431,431 Direct | -0.45% | Disposed | -49.6% (price as of 2026-10-02) |
| March 13, 2019 | ATNI | A | 25,000 | · | · | 433,383 Direct | +6.12% | Acquired | (price as of 2026-10-02) |
| March 9, 2019 | ATNI | F | 2,036 | $55.16 | $112,306 | 408,383 Direct | -0.50% | Disposed | -49.4% (price as of 2026-10-02) |
| March 8, 2019 | ATNI | F | 2,036 | $55.16 | $112,306 | 410,419 Direct | -0.49% | Disposed | -49.4% (price as of 2026-10-02) |
| March 7, 2019 | ATNI | F | 2,401 | $55.06 | $132,199 | 412,455 Direct | -0.58% | Disposed | -49.3% (price as of 2026-10-02) |
| Nov. 30, 2018 | ATNI | M | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 30, 2018 | ATNI | M | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 30, 2018 | ATNI | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 30, 2018 | ATNI | F | 43,768 | $84.56 | $3,701,022 | 416,356 Direct | -9.51% | Disposed | -67.0% (price as of 2026-10-02) |
| Nov. 30, 2018 | ATNI | M | 30,000 | $37.36 | $1,120,800 | 460,124 Direct | +6.97% | Acquired | -25.3% (price as of 2026-10-02) |
| Nov. 30, 2018 | ATNI | M | 7,500 | $32.96 | $247,200 | 430,124 Direct | +1.77% | Acquired | -15.3% (price as of 2026-10-02) |
| Nov. 30, 2018 | ATNI | M | 25,000 | $46.85 | $1,171,250 | 422,624 Direct | +6.29% | Acquired | -40.4% (price as of 2026-10-02) |
| Sept. 4, 2018 | ATNI | S 10b5-1 | 1,000 | $72.69 | $72,690 | 141,647 Indirect | -0.70% | Disposed | -61.6% (price as of 2026-10-02) |
| Sept. 4, 2018 | ATNI | S 10b5-1 | 1,000 | $72.69 | $72,690 | 397,624 Direct | -0.25% | Disposed | -61.6% (price as of 2026-10-02) |
| Aug. 6, 2018 | ATNI | S 10b5-1 | 1,000 | $64.17 | $64,170 | 142,647 Indirect | -0.70% | Disposed | -56.5% (price as of 2026-10-02) |
| Aug. 6, 2018 | ATNI | S 10b5-1 | 4,000 | $65.00 | $260,000 | 398,624 Direct | -0.99% | Disposed | -57.1% (price as of 2026-10-02) |
| July 9, 2018 | ATNI | S 10b5-1 | 1,000 | $56.10 | $56,100 | 143,647 Indirect | -0.69% | Disposed | -50.2% (price as of 2026-10-02) |
| June 13, 2018 | ATNI | S | 800 | $53.38 | $42,704 | 8,141 Indirect | -8.95% | Disposed | -47.7% (price as of 2026-10-02) |
| June 13, 2018 | ATNI | S | 800 | $53.38 | $42,704 | 7,741 Indirect | -9.37% | Disposed | -47.7% (price as of 2026-10-02) |
| June 13, 2018 | ATNI | S | 800 | $53.38 | $42,704 | 8,541 Indirect | -8.56% | Disposed | -47.7% (price as of 2026-10-02) |
| June 11, 2018 | ATNI | S | 2,000 | $55.48 | $110,960 | 144,647 Indirect | -1.36% | Disposed | -49.7% (price as of 2026-10-02) |
Showing latest 100 of 229 transactions
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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 17, 2026 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 13,524 | Acquired |
| March 7, 2026 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | March 7, 2026 | 25,000 | Disposed |
| April 7, 2025 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 42,472 | Acquired |
| March 25, 2025 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | March 25, 2025 | 21,450 | Disposed |
| March 12, 2024 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 21,720 | Acquired |
| March 12, 2024 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 21,720 | Acquired |
| March 8, 2024 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 19,350 | Acquired |
| March 7, 2023 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 25,000 | Acquired |
| March 7, 2023 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 25,000 | Acquired |
| March 25, 2022 | ATNI | Performance-Based Restricted Stock Units | Common Stock | $0.00 | · | 21,450 | Acquired |
| March 9, 2021 | ATNI | Performance -Based Restricted Stock Units | Common Stock | $0.00 | · | 19,350 | Acquired |
| Nov. 30, 2018 | ATNI | Employee Stock Option (right to buy) | Common Stock | $37.36 | March 22, 2022 | 30,000 | Disposed |
| Nov. 30, 2018 | ATNI | Employee Stock Option (right to buy) | Common Stock | $32.96 | March 15, 2021 | 7,500 | Disposed |
| Nov. 30, 2018 | ATNI | Employee Stock Option (right to buy) | Common Stock | $46.85 | Feb. 11, 2020 | 25,000 | Disposed |
| Aug. 18, 2016 | ATNI | Stock Option (Right to Buy) | Common stock | $32.96 | March 15, 2021 | 10,000 | Disposed |
| Nov. 15, 2013 | ATNI | Stock Option | Common Stock | $32.96 | March 15, 2021 | 17,500 | Disposed |
| Aug. 2, 2013 | ATNI | Common Stock | Common Stock | $32.98 | Sept. 17, 2017 | 50,000 | Disposed |
| March 6, 2013 | ATNI | Common Stock | Common Stock | $23.78 | Dec. 5, 2018 | 20,000 | Disposed |
| Dec. 4, 2012 | ATNI | Stock Option (right to buy) | Common Stock | $18.70 | Sept. 14, 2013 | 8,800 | Disposed |
| March 22, 2012 | ATNI | Stock Option (Right to Buy) | Common Stock | $37.36 | March 22, 2022 | 30,000 | Acquired |
| Nov. 15, 2011 | ATNI | Stock Option (right to buy) | Common Stock | $18.70 | Sept. 14, 2016 | 16,200 | Acquired |
| March 15, 2011 | ATNI | Stock Option (Right to Buy) | Common Stock | $32.96 | March 15, 2021 | 35,000 | Acquired |
| Nov. 16, 2010 | ATNI | Stock Option (Right to Buy) | Common Stock | $18.70 | Sept. 14, 2013 | 5,000 | Disposed |
| June 10, 2010 | ATNI | Stock Option (Right to Buy) | Common Stock | $18.70 | Sept. 14, 2016 | 10,000 | Disposed |
| Feb. 11, 2010 | ATNI | Stock Option (right to buy) | Common Stock | $46.85 | Feb. 11, 2020 | 25,000 | Acquired |
| Dec. 5, 2008 | ATNI | Stock Option (right to buy) | Common Stock | $23.78 | Dec. 5, 2018 | 20,000 | Acquired |
| Sept. 17, 2007 | ATNI | Stock Option (right to buy) | Common Stock | $32.98 | Sept. 17, 2017 | 50,000 | Acquired |
| Sept. 14, 2006 | ATNI | Stock Option (Right to Buy) | Common Stock | $18.70 | Sept. 14, 2013 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2019 | $630,000 | · | $1,393,000 | · | $525,000 | · | $75,523 | $2,623,523 |
| 2018 | $615,000 | · | $1,617,660 | · | $554,000 | · | $85,474 | $2,872,134 |
| 2017 | $600,000 | $375,000 | $1,495,770 | · | · | · | $201,911 | $2,672,681 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.