Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 83,136 | $13,936 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 84,259 | $14,387 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 86,585 | $13,344 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 87,009 | $13,450 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 97,104 | $13,524 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 85,204 | $11,819 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 85,986 | $10,030 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 87,778 | $10,434 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 156,447 | $18,132 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 156,605 | $16,589 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 154,423 | $17,966 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 163,356 | $18,355 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 153,643 | $17,219 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 162,011 | $16,501 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 177,757 | $19,927 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 166,190 | $19,858 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 164,901 | $17,277 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 170,199 | $15,012 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 160,860 | $15,460 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 161,720 | $15,986 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 173,126 | $16,521 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 180,756 | $17,278 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 170,366 | $16,965 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 149,896 | $14,874 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 225,083 | $25,178 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 228,951 | $26,075 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 227,105 | $23,973 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 242,331 | $24,943 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 191,111 | $17,720 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 179,661 | $16,872 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 187,246 | $16,878 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 173,890 | $14,648 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 151,342 | $12,999 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 151,433 | $12,696 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 146,627 | $12,163 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 129,937 | $10,264 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 117,431 | $8,707 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 142,078 | $10,581 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 225,273 | $18,319 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 229,433 | $17,038 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 243,683 | $15,362 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 244,044 | $14,198 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 246,154 | $12,623 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 244,694 | $13,532 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 246,774 | $13,755 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 278,672 | $13,293 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 278,182 | $14,855 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 275,712 | $12,994 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 269,632 | $12,247 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 271,562 | $11,566 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 306,860 | $12,600 | $31.05 | $27.80 - $33.01 |