Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 66,985 | $11,229 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 60,426 | $10,318 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 91,544 | $14,108 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 9,624 | $1,488 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 42,041 | $5,855 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 224,658 | $31,162 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 240,405 | $28,043 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 276,763 | $32,899 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 511,653 | $59,301 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 126,125 | $13,360 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 62,765 | $7,302 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 324,680 | $36 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 124,412 | $14 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 14,765 | $1,504 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 270,486 | $30,321 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 3,725 | $445 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 10,563 | $1,107 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 67,723 | $5,973 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 6,336 | $609 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 228,742 | $22,611 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 552,486 | $52,724 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 25,963 | $2,482 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 71,577 | $7,128 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 203,565 | $20,200 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 134,349 | $15,028 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 340,306 | $38,757 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 272,297 | $28,744 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 561,328 | $57,777 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 225,178 | $20,879 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 112,272 | $10,543 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 345,706 | $31,162 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 169,355 | $14,266 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 414,345 | $35,588 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 216,746 | $18,172 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 357,007 | $29,614 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 467,219 | $36,906 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 627,452 | $46,526 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 691,443 | $51,492 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 672,673 | $54,702 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 714,701 | $53,074 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 371,925 | $23,446 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 90,484 | $5,264 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 306,250 | $15,705 | $41.53 | $39.55 - $43.78 |
| Q4 2014 | 245,390 | $13,678 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 435,144 | $20,756 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 81,526 | $4,353 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 216,160 | $10,188 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 75,073 | $3,410 | $32.69 | $30.16 - $35.01 |
| Q2 2013 | 75,439 | $3,098 | $31.05 | $27.80 - $33.01 |