Ticker: ATRC CUSIP: 04963C209 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2021 | 81,337 | $5,329 | $61.58 | $52.54 - $68.00 |
| Q4 2020 | 87,562 | $4,875 | $43.24 | $34.04 - $58.03 |
| Q3 2020 | 99,971 | $3,989 | $42.41 | $34.12 - $48.16 |
| Q2 2020 | 87,264 | $3,923 | $43.54 | $30.66 - $51.76 |
| Q1 2020 | 84,575 | $2,841 | $35.95 | $23.17 - $44.51 |
| Q4 2019 | 79,632 | $2,589 | $28.46 | $23.45 - $32.80 |
| Q3 2019 | 80,599 | $2,010 | $28.55 | $22.57 - $33.00 |
| Q2 2019 | 52,491 | $1,566 | $29.19 | $26.43 - $31.03 |
| Q1 2019 | 47,159 | $1,263 | $30.37 | $26.11 - $33.92 |
| Q4 2018 | 45,838 | $1,403 | $31.15 | $26.41 - $36.49 |
| Q3 2018 | 32,973 | $1,155 | $31.66 | $26.90 - $36.14 |
| Q2 2018 | 31,700 | $857 | $23.50 | $19.22 - $30.96 |
| Q1 2018 | 34,600 | $710 | $18.06 | $14.88 - $21.21 |
| Q4 2017 | 34,600 | $631 | $19.80 | $16.18 - $23.73 |
| Q3 2017 | 37,479 | $838 | $22.61 | $19.85 - $25.18 |
| Q2 2017 | 36,100 | $875 | $21.26 | $18.33 - $24.85 |
| Q1 2017 | 34,600 | $663 | $17.52 | $14.78 - $19.79 |
| Q4 2016 | 40,500 | $793 | $18.12 | $15.15 - $20.40 |
| Q3 2016 | 38,600 | $611 | $15.37 | $13.45 - $17.27 |
| Q2 2016 | 41,200 | $582 | $15.24 | $13.44 - $18.03 |
| Q1 2016 | 42,500 | $715 | $17.59 | $14.85 - $22.42 |
| Q4 2015 | 42,500 | $954 | $20.61 | $17.46 - $23.24 |
| Q3 2015 | 62,100 | $1,361 | $24.99 | $19.14 - $28.15 |
| Q2 2015 | 43,900 | $1,082 | $22.33 | $19.90 - $25.36 |
| Q1 2015 | 43,900 | $877 | $19.37 | $17.22 - $22.97 |
| Q4 2014 | 43,900 | $877 | $17.16 | $13.19 - $20.09 |
| Q3 2014 | 43,900 | $646 | $15.93 | $14.28 - $18.66 |
| Q2 2014 | 43,900 | $807 | $16.64 | $13.80 - $19.67 |
| Q1 2014 | 47,400 | $788 | $20.49 | $17.57 - $23.00 |
| Q4 2013 | 45,000 | $843 | $14.54 | $11.00 - $19.11 |
| Q3 2013 | 44,500 | $489 | $9.86 | $8.48 - $11.25 |
| Q2 2013 | 39,368 | $374 | $8.71 | $7.48 - $9.75 |