| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ATRC | Chief Human Resources Officer | Jun 30, 2023 | Option Exercise | $38.11 | 450 | 17,150 | 29,883 | Jul 03, 2023, 08:22 AM |
| ATRC | Chief Human Resources Officer | Dec 30, 2022 | Option Exercise | $34.86 | 294 | 10,249 | 17,194 | Jan 03, 2023, 05:10 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ATRC | Chief Human Resources Officer | Jun 30, 2023 | Option Exercise | 17,150 |
| ATRC | Chief Human Resources Officer | Dec 30, 2022 | Option Exercise | 10,249 |