Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 596,913 | $100,081 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 604,281 | $103,157 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 609,354 | $93,875 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 575,183 | $88,839 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 580,866 | $80,876 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 585,867 | $81,247 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 560,913 | $65,422 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 443,300 | $52,688 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 379,410 | $43,974 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 184,252 | $19,518 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 183,949 | $21,401 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 187,492 | $21,067 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 193,120 | $21,643 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 195,736 | $19,937 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 197,483 | $22,139 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 203,202 | $24,280 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 208,499 | $21,709 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 208,698 | $18,293 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 213,119 | $20,395 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 229,257 | $22,609 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 235,200 | $22,438 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 243,236 | $23,245 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 266,524 | $26,532 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 276,735 | $27,461 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 289,986 | $32,438 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 299,672 | $34,130 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 303,320 | $32,018 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 316,274 | $32,554 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 328,573 | $30,466 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 333,290 | $31,299 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 364,239 | $32,832 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 370,513 | $31,212 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 384,660 | $33,038 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 383,868 | $32,183 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 395,844 | $32,835 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 444,134 | $35,082 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 462,160 | $34,269 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 536,246 | $39,934 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 647,994 | $52,695 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 674,164 | $50,063 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 731,231 | $46,097 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 751,424 | $43,718 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 772,307 | $39,604 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 794,650 | $43,944 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 795,005 | $44,313 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 912,778 | $43,539 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 1,033,883 | $55,209 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 671,282 | $31,637 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 251,331 | $11,415 | $32.69 | $30.16 - $35.01 |