Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 311,213 | $52,169 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 309,463 | $52,841 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 311,517 | $48,008 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 296,325 | $45,806 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 293,367 | $40,857 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 287,170 | $39,833 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 301,798 | $35,205 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 302,029 | $35,902 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 278,545 | $32,283 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 267,536 | $28,340 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 266,633 | $31,020 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 241,364 | $27,120 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 243,356 | $27 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 212,757 | $21,669 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 173,885 | $19,493 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 167,984 | $20,072 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 120,516 | $12,626 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 120,284 | $10,609 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 86,996 | $8,361 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 62,998 | $6,227 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 15,730 | $1,501 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 11,429 | $1,092 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 6,994 | $696 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 7,625 | $757 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 7,685 | $860 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 7,574 | $863 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 6,868 | $725 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 6,834 | $703 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 20,506 | $1,901 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 22,593 | $2,122 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 29,979 | $2,702 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 29,917 | $2,520 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 16,187 | $1,390 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 15,473 | $1,297 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 15,366 | $1,275 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 15,363 | $1,214 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 15,392 | $1,141 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 15,361 | $1,144 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 19,677 | $1,600 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 18,242 | $1,355 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 29,430 | $1,855 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 29,264 | $1,703 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 29,187 | $1,497 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 26,308 | $1,455 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 21,536 | $1,200 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 13,927 | $664 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 13,930 | $744 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 13,985 | $659 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 12,759 | $580 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 12,866 | $548 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 12,886 | $529 | $31.05 | $27.80 - $33.01 |