Ticker: ATRC CUSIP: 04963C209 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 3,917,991 | $154,996 | $36.66 | $30.94 - $42.60 |
| Q3 2025 | 4,292,087 | $151,296 | $34.45 | $28.96 - $38.33 |
| Q2 2025 | 3,969,269 | $130,073 | $32.50 | $28.29 - $35.60 |
| Q1 2025 | 702,055 | $22,648 | $37.12 | $29.92 - $43.11 |
| Q4 2024 | 654,504 | $20,002 | $32.16 | $25.57 - $38.34 |
| Q3 2024 | 1,543,896 | $43,291 | $24.65 | $20.20 - $30.15 |
| Q2 2024 | 1,537,851 | $35,017 | $23.08 | $18.94 - $30.39 |
| Q1 2024 | 1,640,162 | $49,894 | $33.50 | $27.92 - $39.05 |
| Q4 2023 | 1,329,457 | $47,448 | $37.19 | $32.27 - $43.54 |
| Q3 2023 | 1,233,633 | $54,033 | $48.78 | $40.84 - $59.61 |
| Q2 2023 | 1,291,826 | $63,765 | $46.09 | $39.03 - $50.85 |
| Q1 2023 | 1,482,673 | $61,457 | $41.50 | $35.20 - $47.85 |
| Q4 2022 | 1,608,895 | $71,403 | $41.77 | $32.51 - $49.60 |
| Q3 2022 | 287,351 | $11,235 | $45.75 | $37.81 - $52.96 |
| Q2 2022 | 370,915 | $15,156 | $47.37 | $32.84 - $68.58 |
| Q1 2022 | 363,293 | $23,857 | $64.80 | $56.84 - $72.31 |
| Q4 2021 | 382,395 | $26,588 | $72.69 | $63.31 - $89.18 |
| Q3 2021 | 382,760 | $26,621 | $76.95 | $69.01 - $85.50 |
| Q2 2021 | 496,151 | $39,360 | $72.70 | $62.67 - $80.98 |
| Q1 2021 | 496,365 | $32,522 | $61.58 | $52.54 - $68.00 |
| Q4 2020 | 516,552 | $28,756 | $43.24 | $34.04 - $58.03 |
| Q3 2020 | 536,571 | $21,409 | $42.41 | $34.12 - $48.16 |
| Q2 2020 | 578,560 | $26,006 | $43.54 | $30.66 - $51.76 |
| Q1 2020 | 2,027,177 | $68,094 | $35.95 | $23.17 - $44.51 |
| Q4 2019 | 2,484,017 | $80,756 | $28.46 | $23.45 - $32.80 |
| Q3 2019 | 2,726,855 | $68,008 | $28.55 | $22.57 - $33.00 |
| Q2 2019 | 2,539,967 | $75,794 | $29.19 | $26.43 - $31.03 |
| Q1 2019 | 2,602,435 | $69,719 | $30.37 | $26.11 - $33.92 |
| Q4 2018 | 2,727,614 | $83,465 | $31.15 | $26.41 - $36.49 |
| Q3 2018 | 3,224,825 | $112,965 | $31.66 | $26.90 - $36.14 |
| Q2 2018 | 3,261,061 | $88,212 | $23.50 | $19.22 - $30.96 |
| Q1 2018 | 4,562,057 | $93,615 | $18.06 | $14.88 - $21.21 |
| Q4 2017 | 4,507,903 | $82,224 | $19.80 | $16.18 - $23.73 |
| Q3 2017 | 3,772,188 | $84,384 | $22.61 | $19.85 - $25.18 |
| Q2 2017 | 2,033,986 | $49,324 | $21.26 | $18.33 - $24.85 |
| Q1 2017 | 3,313,575 | $63,456 | $17.52 | $14.78 - $19.79 |
| Q4 2016 | 3,137,550 | $61,403 | $18.12 | $15.15 - $20.40 |
| Q3 2016 | 3,392,452 | $53,668 | $15.37 | $13.45 - $17.27 |
| Q2 2016 | 2,951,682 | $41,707 | $15.24 | $13.44 - $18.03 |
| Q1 2016 | 2,221,863 | $37,394 | $17.59 | $14.85 - $22.42 |
| Q4 2015 | 2,521,022 | $56,571 | $20.61 | $17.46 - $23.24 |
| Q3 2015 | 1,713,605 | $37,545 | $24.99 | $19.14 - $28.15 |
| Q2 2015 | 1,762,815 | $43,436 | $22.33 | $19.90 - $25.36 |
| Q1 2015 | 1,878,245 | $38,486 | $19.37 | $17.22 - $22.97 |
| Q4 2014 | 1,821,091 | $36,350 | $17.16 | $13.19 - $20.09 |
| Q3 2014 | 1,754,535 | $25,827 | $15.93 | $14.28 - $18.66 |
| Q2 2014 | 542,215 | $9,966 | $16.64 | $13.80 - $19.67 |
| Q1 2014 | 298,510 | $5,615 | $20.49 | $17.57 - $23.00 |
| Q4 2013 | 425,340 | $7,945 | $14.54 | $11.00 - $19.11 |
| Q3 2013 | 571,625 | $6,276 | $9.86 | $8.48 - $11.25 |
| Q2 2013 | 668,310 | $6,349 | $8.71 | $7.48 - $9.75 |