Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 816,586 | $136,888 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 530,180 | $90,511 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 552,595 | $85,097 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 417,847 | $64,513 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 552,225 | $76,898 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 687,678 | $95,406 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 730,759 | $85,240 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 534,596 | $63,505 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 453,385 | $52,510 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 476,028 | $50,399 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 439,186 | $51,089 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 267,764 | $30,049 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 330,167 | $37,020 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 277,328 | $28,693 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 170,607 | $19,122 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 133,562 | $16,053 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 119,915 | $12,555 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 150,595 | $13,328 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 140,546 | $13,520 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 136,723 | $13,530 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 181,371 | $17,144 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 132,025 | $12,628 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 124,853 | $12,433 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 147,663 | $14,859 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 162,796 | $18,169 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 89,000 | $10,136 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 101,878 | $10,754 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 91,018 | $9,369 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 72,773 | $6,748 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 67,523 | $6,341 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 141,347 | $12,741 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 62,721 | $5,283 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 60,913 | $5,231 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 149,672 | $12,550 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 153,613 | $12,743 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 204,633 | $16,184 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 202,685 | $15,032 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 199,141 | $14,833 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 111,542 | $9,057 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 142,325 | $10,569 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 198,451 | $12,510 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 101,198 | $5,888 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 100,512 | $5,154 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 12,515 | $693 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 7,899 | $440 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 7,991 | $381 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 8,070 | $431 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 9,054 | $427 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 7,844 | $357 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 7,830 | $334 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 6,000 | $246 | $31.05 | $27.80 - $33.01 |
| Q1 2013 | 10,246 | $437 | $27.73 | $25.08 - $31.01 |
| Q4 2012 | 6,122 | $215 | — | — |
| Q3 2012 | 12,448 | $446 | — | — |
| Q2 2012 | 6,000 | $210 | — | — |