| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ATRC | Chief Technical Officer | Jun 30, 2023 | Option Exercise | $38.11 | 557 | 21,227 | 79,217 | Jul 03, 2023, 08:19 AM |
| ATRC | Chief Technical Officer | Mar 01, 2023 | Option Exercise | $38.81 | 6,314 | 245,046 | 78,660 | Mar 03, 2023, 05:17 PM |
| ATRC | Chief Technical Officer | Jun 30, 2022 | Option Exercise | $34.73 | 350 | 12,155 | 60,834 | Jul 05, 2022, 04:23 PM |
| ATRC | Chief Technical Officer | Mar 01, 2022 | Option Exercise | $69.59 | 6,700 | 466,253 | 60,484 | Mar 03, 2022, 04:29 PM |
| ATRC | Chief Technical Officer | Dec 31, 2021 | Option Exercise | $59.10 | 151 | 8,924 | 52,570 | Jan 04, 2022, 08:43 AM |
| ATRC | Chief Technical Officer | Jul 30, 2021 | Sale | $85.00 | 8,808 | 748,680 | 52,419 | Aug 03, 2021, 08:11 AM |
| ATRC | Chief Technical Officer | Jul 28, 2021 | Sale | $82.50 | 8,000 | 660,000 | 61,227 | Jul 30, 2021, 08:41 AM |
| ATRC | Chief Technical Officer | Jul 20, 2021 | Sale | $80.00 | 2,000 | 160,000 | 69,227 | Jul 22, 2021, 04:34 PM |
| ATRC | Chief Technical Officer | Mar 01, 2021 | Option Exercise | $66.31 | 8,819 | 584,788 | 71,056 | Mar 03, 2021, 06:20 PM |
| ATRC | Chief Technical Officer | Dec 31, 2020 | Option Exercise | $38.48 | 184 | 7,080 | 68,446 | Jan 04, 2021, 08:22 AM |
| ATRC | Chief Technical Officer | Dec 17, 2020 | Sale | $51.33 | 10,654 | 546,870 | 68,262 | Dec 21, 2020, 05:03 PM |
| ATRC | Chief Technical Officer | Dec 09, 2020 | Sale | $47.50 | 3,846 | 182,685 | 78,916 | Dec 11, 2020, 07:52 AM |
| ATRC | Chief Technical Officer | Jul 24, 2020 | Option Exercise | $44.59 | 6,596 | 294,116 | 82,762 | Jul 28, 2020, 07:58 AM |
| ATRC | Chief Technical Officer | Jun 30, 2020 | Option Exercise | $28.11 | 503 | 14,139 | 89,358 | Jul 02, 2020, 04:40 PM |
| ATRC | Chief Technical Officer | Mar 01, 2020 | Option Exercise | $38.42 | 4,743 | 182,226 | 88,855 | Mar 03, 2020, 04:12 PM |
| ATRC | Chief Technology Officer | Dec 31, 2019 | Option Exercise | $25.99 | 108 | 2,807 | 85,139 | Jan 03, 2020, 04:27 PM |
| ATRC | Chief Technology Officer | Jul 24, 2019 | Option Exercise | $32.52 | 6,596 | 214,502 | 85,031 | Jul 26, 2019, 07:38 AM |
| ATRC | Chief Technology Officer | Jun 30, 2019 | Option Exercise | $25.36 | 717 | 18,183 | 91,627 | Jul 02, 2019, 09:18 PM |
| ATRC | Chief Technology Officer | Mar 01, 2019 | Option Exercise | $30.77 | 3,212 | 98,833 | 90,910 | Mar 06, 2019, 06:07 AM |
| ATRC | Chief Technology Officer | Dec 31, 2018 | Option Exercise | $24.00 | 732 | 17,568 | 83,560 | Jan 03, 2019, 07:51 AM |
| ATRC | Chief Technology Officer | Jul 24, 2018 | Option Exercise | $28.49 | 4,346 | 123,818 | 82,828 | Jul 26, 2018, 08:35 AM |
| ATRC | VP Engineering & Product Dev | Jul 29, 2011 | Option Exercise | $12.17 | 2,785 | 33,893 | 72,956 | Aug 01, 2011, 04:54 PM |
| ATRC | VP Engineering & Product Dev | Jun 30, 2011 | Option Exercise | $8.71 | 1,010 | 8,797 | 75,741 | Jul 05, 2011, 01:41 PM |
| ATRC | VP Engineering & Product Dev | Jun 15, 2011 | Sale | $13.45 | 5,590 | 75,185 | 74,731 | Jun 16, 2011, 05:07 PM |
| ATRC | VP Engineering & Product Dev | Jun 14, 2011 | Sale | $14.29 | 3,360 | 48,014 | 80,321 | Jun 16, 2011, 05:07 PM |
| ATRC | VP Engineering & Product Dev | Feb 17, 2011 | Option Exercise | $11.52 | 851 | 9,804 | 83,681 | Feb 18, 2011, 04:46 PM |
| ATRC | VP Engineering & Product Dev | Feb 09, 2011 | Option Exercise | $11.20 | 4,050 | 45,360 | 84,532 | Feb 10, 2011, 03:16 PM |
| ATRC | VP Engineering & Product Dev | Dec 31, 2010 | Option Exercise | $5.50 | 1,052 | 5,785 | 66,582 | Jan 04, 2011, 09:32 AM |
| ATRC | VP Engineering & Product Dev | Jul 29, 2010 | Option Exercise | $6.41 | 2,695 | 17,275 | 65,530 | Jul 30, 2010, 01:30 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ATRC | Chief Technical Officer | Jun 30, 2023 | Option Exercise | 21,227 |
| ATRC | Chief Technical Officer | Mar 01, 2023 | Option Exercise | 245,046 |
| ATRC | Chief Technical Officer | Jun 30, 2022 | Option Exercise | 12,155 |
| ATRC | Chief Technical Officer | Mar 01, 2022 | Option Exercise | 466,253 |
| ATRC | Chief Technical Officer | Dec 31, 2021 | Option Exercise | 8,924 |
| ATRC | Chief Technical Officer | Jul 30, 2021 | Sale | 748,680 |
| ATRC | Chief Technical Officer | Jul 28, 2021 | Sale | 660,000 |
| ATRC | Chief Technical Officer | Jul 20, 2021 | Sale | 160,000 |
| ATRC | Chief Technical Officer | Mar 01, 2021 | Option Exercise | 584,788 |
| ATRC | Chief Technical Officer | Dec 31, 2020 | Option Exercise | 7,080 |
| ATRC | Chief Technical Officer | Dec 17, 2020 | Sale | 546,870 |
| ATRC | Chief Technical Officer | Dec 09, 2020 | Sale | 182,685 |
| ATRC | Chief Technical Officer | Jul 24, 2020 | Option Exercise | 294,116 |
| ATRC | Chief Technical Officer | Jun 30, 2020 | Option Exercise | 14,139 |
| ATRC | Chief Technical Officer | Mar 01, 2020 | Option Exercise | 182,226 |
| ATRC | Chief Technology Officer | Dec 31, 2019 | Option Exercise | 2,807 |
| ATRC | Chief Technology Officer | Jul 24, 2019 | Option Exercise | 214,502 |
| ATRC | Chief Technology Officer | Jun 30, 2019 | Option Exercise | 18,183 |
| ATRC | Chief Technology Officer | Mar 01, 2019 | Option Exercise | 98,833 |
| ATRC | Chief Technology Officer | Dec 31, 2018 | Option Exercise | 17,568 |
| ATRC | Chief Technology Officer | Jul 24, 2018 | Option Exercise | 123,818 |
| ATRC | VP Engineering & Product Dev | Jul 29, 2011 | Option Exercise | 33,893 |
| ATRC | VP Engineering & Product Dev | Jun 30, 2011 | Option Exercise | 8,797 |
| ATRC | VP Engineering & Product Dev | Jun 15, 2011 | Sale | 75,185 |
| ATRC | VP Engineering & Product Dev | Jun 14, 2011 | Sale | 48,014 |
| ATRC | VP Engineering & Product Dev | Feb 17, 2011 | Option Exercise | 9,804 |
| ATRC | VP Engineering & Product Dev | Feb 09, 2011 | Option Exercise | 45,360 |
| ATRC | VP Engineering & Product Dev | Dec 31, 2010 | Option Exercise | 5,785 |
| ATRC | VP Engineering & Product Dev | Jul 29, 2010 | Option Exercise | 17,275 |