Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 353,048 | $59,181 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 360,565 | $61,566 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 437,881 | $67,482 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 444,464 | $68,705 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 229,307 | $31,936 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 232,292 | $32,221 | $124.46 | $109.64 - $135.08 |
| Q2 2020 | 493,257 | $49,119 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 493,257 | $48,946 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 475,785 | $53,221 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 641,901 | $73,106 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 641,901 | $67,759 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 641,901 | $66,071 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 851,194 | $78,923 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 851,194 | $79,936 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 851,194 | $76,727 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 982,687 | $82,782 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 982,687 | $84,403 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 982,687 | $82,388 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 1,037,449 | $86,056 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 1,032,821 | $81,583 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 1,033,153 | $76,608 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 987,440 | $73,535 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 1,083,187 | $88,085 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 847,814 | $62,959 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 473,662 | $29,860 | $48.30 | $44.95 - $51.11 |