Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 52,000 | $8,717 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 73,400 | $12,533 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 20,500 | $3,159 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 98,000 | $15,149 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 17,300 | $2,409 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 49,600 | $6,880 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 218,700 | $25,511 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 13,400 | $2 | $109.59 | $105.24 - $114.22 |
| Q3 2022 | 381,700 | $38,876 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 388,800 | $43,584 | $104.70 | $93.56 - $112.06 |
| Q4 2021 | 9,200 | $964 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 109,700 | $9,676 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 153,100 | $14,714 | $89.25 | $85.46 - $93.19 |
| Q1 2020 | 116,800 | $11,590 | $94.97 | $67.49 - $104.36 |
| Q3 2019 | 52,900 | $6,025 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 297,400 | $31,394 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 81,100 | $8,348 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 90,200 | $8,363 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 204,304 | $19,186 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 232,800 | $20,985 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 290,200 | $24,446 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 289,600 | $24,874 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 173,500 | $14,546 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 160,600 | $13,322 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 149,000 | $11,770 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 115,400 | $8,557 | $58.13 | $55.00 - $60.79 |
| Q2 2016 | 35,100 | $2,854 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 386,100 | $28,672 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 373,400 | $23,539 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 292,500 | $17,018 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 179,200 | $9,189 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 177,400 | $9,810 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 519,800 | $28,974 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 174,400 | $8,319 | $37.83 | $35.35 - $40.41 |
| Q1 2014 | 43,200 | $2,036 | $34.39 | $32.86 - $35.99 |
| Q3 2013 | 15,500 | $660 | $31.01 | $28.94 - $33.33 |