Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 241,751 | $40,525 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 271,689 | $46,391 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 323,145 | $49,800 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 366,542 | $56,660 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 276,912 | $38,566 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 329,015 | $45,638 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 305,709 | $35,661 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 268,505 | $31,917 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 269,137 | $31,193 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 284,528 | $30,140 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 301,204 | $35,042 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 376,472 | $42,300 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 476,181 | $53,366 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 528,980 | $53,877 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 573,380 | $64,276 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 620,933 | $74,195 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 695,883 | $72,908 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 683,066 | $60,246 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 714,481 | $68,669 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 675,522 | $66,775 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 598,621 | $57,126 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 546,672 | $52,256 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 495,291 | $49,321 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 469,432 | $46,582 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 499,216 | $55,842 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 402,033 | $45,788 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 397,146 | $41,923 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 379,482 | $39,060 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 425,898 | $39,489 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 429,686 | $40,352 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 544,730 | $49,102 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 597,630 | $50,344 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 495,650 | $42,571 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 512,800 | $42,993 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 509,150 | $42,234 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 502,850 | $39,720 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 442,150 | $32,785 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 400,150 | $29,799 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 415,100 | $30,825 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 351,700 | $26,117 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 326,600 | $20,589 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 287,100 | $16,703 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 181,300 | $9,297 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 172,100 | $9,517 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 193,700 | $10,797 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 184,700 | $8,810 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 178,700 | $9,543 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 266,500 | $12,560 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 324,700 | $14,748 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 338,500 | $14,417 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 214,700 | $9,166 | $31.05 | $27.80 - $33.01 |