Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 92,708 | $15,541 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 99,079 | $16,918 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 99,235 | $15,293 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 101,245 | $15,650 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 86,926 | $12,106 | $138.63 | $132.87 - $149.29 |
| Q2 2024 | 100,522 | $11,726 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 95,187 | $11,315 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 64,820 | $7,513 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 60,421 | $6,400 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 66,489 | $7,735 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 71,967 | $8,086 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 72,146 | $8,085 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 70,495 | $7,180 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 69,924 | $7,838 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 139,682 | $16,691 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 69,514 | $7,283 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 74,598 | $6,580 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 76,773 | $7,379 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 67,455 | $6,668 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 61,302 | $5,850 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 50,589 | $4,836 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 47,923 | $4,772 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 49,670 | $4,929 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 41,684 | $4,663 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 41,445 | $4,720 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 41,291 | $4,359 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 44,206 | $4,550 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 44,670 | $4,142 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 44,089 | $4,140 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 72,817 | $6,564 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 75,205 | $6,335 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 76,502 | $6,571 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 76,428 | $6,408 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 45,430 | $3,768 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 46,376 | $3,663 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 46,376 | $3,583 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 46,234 | $3,443 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 39,579 | $3,219 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 39,273 | $2,916 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 33,167 | $2,091 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 33,857 | $1,970 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 39,930 | $2,048 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 36,317 | $2,008 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 203,391 | $11,337 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 264,481 | $12,616 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 290,868 | $15,532 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 298,204 | $14,054 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 191,849 | $8,714 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 186,878 | $7,959 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 16,816 | $690 | $31.05 | $27.80 - $33.01 |