Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 181,364 | $30,402 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 183,641 | $31,357 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 171,617 | $26,448 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 173,649 | $26,843 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 171,016 | $23,817 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 173,279 | $24,036 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 175,498 | $20,472 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 177,065 | $21,048 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 187,325 | $21,711 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 239,538 | $25,374 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 189,441 | $22,040 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 188,264 | $21,153 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 188,281 | $21,101 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 186,545 | $19,000 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 189,762 | $21,272 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 185,467 | $22,161 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 187,520 | $19,646 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 221,320 | $19,520 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 214,489 | $20,615 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 181,580 | $17,949 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 183,341 | $17,496 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 184,399 | $17,627 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 182,745 | $18,198 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 199,651 | $19,811 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 197,130 | $22,051 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 207,013 | $23,577 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 206,531 | $21,801 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 193,251 | $19,891 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 211,388 | $19,600 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 78,318 | $7,355 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 81,210 | $7,320 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 75,495 | $6,360 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 76,164 | $6,542 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 76,333 | $6,400 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 70,801 | $5,873 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 72,177 | $5,701 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 74,692 | $5,538 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 77,081 | $5,740 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 77,771 | $6,324 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 77,991 | $5,792 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 75,092 | $4,734 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 72,959 | $4,245 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 73,954 | $3,792 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 242,124 | $13,389 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 1,568,680 | $87,438 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 1,898,328 | $90,550 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 1,912,498 | $102,127 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 2,105,949 | $99,253 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 2,568,120 | $116,644 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 2,610,422 | $111,178 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 2,368,600 | $97,255 | $31.05 | $27.80 - $33.01 |