| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WEHRWEIN SVEN | Director | 4877 EAST LAKE HARRIET PARKWAY, MINNEAPOLIS | /s/ Sven Wehrwein | 26 Nov 2025 | 0001205069 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATRC | Common Stock | Options Exercise | $100,408 | +5,033 | +15% | $19.95 | 39,407 | 24 Nov 2025 | Direct | |
| transaction | ATRC | Common Stock | Sale | $187,832 | -5,033 | -13% | $37.32 | 34,374 | 24 Nov 2025 | Direct | F1 |
| transaction | ATRC | Common Stock | Options Exercise | $99,092 | +4,967 | +14% | $19.95 | 39,341 | 25 Nov 2025 | Direct | |
| transaction | ATRC | Common Stock | Sale | $188,746 | -4,967 | -13% | $38.00 | 34,374 | 25 Nov 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATRC | Non-qualified Stock Option (right to buy) | Options Exercise | $0 | -5,033 | -14% | $0.000000 | 29,967 | 24 Nov 2025 | Non-qualified Stock Option (right to buy) | 5,033 | $19.95 | Direct | F2 |
| transaction | ATRC | Non-qualified Stock Option (right to buy) | Options Exercise | $0 | -4,967 | -17% | $0.000000 | 25,000 | 25 Nov 2025 | Non-qualified Stock Option (right to buy) | 4,967 | $19.95 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $37.32 to $38.00 per share. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |
| F2 | These options were granted on November 11, 2016. These options vest and are exercisable as to 25% of the shares one year from the date of grant and the remaining 75% thereafter vests and are exercisable in equal monthly installments on the same day of the month over the following three years. |