Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 228,619 | $38,326 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 244,442 | $41,741 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 259,166 | $39,943 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 255,091 | $39,435 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 262,914 | $36,618 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 265,414 | $36,817 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 267,805 | $31,241 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 250,757 | $29,809 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 133,886 | $15,518 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 132,104 | $13,995 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 134,485 | $15,647 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 134,820 | $15,149 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 135,388 | $15,173 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 131,749 | $13,420 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 133,038 | $14,915 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 118,022 | $14,104 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 103,941 | $10,890 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 61,720 | $5,445 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 60,811 | $5,845 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 86,063 | $8,508 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 62,349 | $5,951 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 62,006 | $5,928 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 65,255 | $6,497 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 72,561 | $7,170 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 44,850 | $5,022 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 44,379 | $5,054 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 43,518 | $4,598 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 42,193 | $4,353 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 46,058 | $4,268 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 43,239 | $4,055 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 37,270 | $3,360 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 40,029 | $3,366 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 40,334 | $3,468 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 40,378 | $3,382 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 40,062 | $3,320 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 40,167 | $3,173 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 41,656 | $3,087 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 36,475 | $2,720 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 43,064 | $3,502 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 43,303 | $3,216 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 37,266 | $2,350 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 35,243 | $2,049 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 14,643 | $749 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 12,415 | $687 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 12,148 | $678 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 11,597 | $553 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 3,951 | $211 | $38.03 | $34.82 - $40.36 |