As of May 23, 2026, the three largest insider holders of ATRC are Douglas J Seith (Chief Operating Officer, 229.34K shares), Angela L Wirick (Chief Financial Officer, 204.89K shares), Salvatore Privitera (Chief Technical Officer, 158.05K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Salvatore Privitera | Chief Technical Officer | 158,048 | 0 | 03 Mar, 2026 |
| Douglas J Seith | Chief Operating Officer | 229,340 | 0 | 03 Mar, 2026 |
| Robert S. White | - | 122,174 | 0 | 12 Mar, 2026 |
| Regina E Groves | - | 33,715 | 0 | 08 Aug, 2025 |
| Justin J Noznesky | Chief Mktg Strategy Officer | 106,401 | 0 | 03 Mar, 2026 |
| Maggie Yuen | - | 11,371 | 0 | 25 Nov, 2025 |
| Angela L Wirick | Chief Financial Officer | 204,893 | 0 | 03 Mar, 2026 |
| Deborah H Telman | - | 22,184 | 0 | 21 May, 2025 |
| Tonya Austin | Chief Human Resources Officer | 17,621 | 0 | 17 May, 2022 |
| Karl S. Dahlquist | Chief Legal Officer | 96,053 | 0 | 03 Mar, 2026 |
| Vinayak Doraiswamy | Chief Scientific Officer | 96,875 | 0 | 16 Mar, 2026 |
| Deborah Lee Yount | Chief Human Resources Officer | 45,578 | 0 | 04 Mar, 2025 |
| Shlomo Nachman | - | 18,511 | 0 | 21 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Vinayak Doraiswamy | Common Stock | D | 5,000 | $29.83 | 96,875 | D | S |
| 12 Mar, 2026 | Vinayak Doraiswamy | Common Stock | D | 5,000 | $29.83 | 96,875 | D | S |
| 10 Mar, 2026 | Robert S. White | Common Stock | A | 10,000 | $14.99 | 122,174 | D | M |
| 10 Mar, 2026 | Robert S. White | Common Stock | A | 10,000 | $14.99 | 122,174 | D | M |
| 10 Mar, 2026 | Robert S. White | Non-qualified Stock Option (right to buy) | D | 10,000 | $14.99 | 0 | D | M |
| 10 Mar, 2026 | Robert S. White | Non-qualified Stock Option (right to buy) | D | 10,000 | $14.99 | 0 | D | M |
| 01 Mar, 2026 | Douglas J Seith | Common Stock | A | 42,386 | $0.00 | 226,756 | D | A |
| 01 Mar, 2026 | Salvatore Privitera | Common Stock | A | 30,390 | $0.00 | 155,977 | D | A |
| 01 Mar, 2026 | Angela L Wirick | Common Stock | A | 39,987 | $0.00 | 204,757 | D | A |
| 01 Mar, 2026 | Vinayak Doraiswamy | Common Stock | A | 30,390 | $0.00 | 102,262 | D | A |
| 01 Mar, 2026 | Angela L Wirick | Common Stock | A | 39,987 | $0.00 | 204,757 | D | A |
| 01 Mar, 2026 | Karl S. Dahlquist | Common Stock | A | 27,991 | $0.00 | 96,542 | D | A |
| 01 Mar, 2026 | Salvatore Privitera | Common Stock | A | 30,390 | $0.00 | 155,977 | D | A |
| 01 Mar, 2026 | Karl S. Dahlquist | Common Stock | A | 27,991 | $0.00 | 96,542 | D | A |
| 01 Mar, 2026 | Douglas J Seith | Common Stock | A | 42,386 | $0.00 | 226,756 | D | A |
| 01 Mar, 2026 | Justin J Noznesky | Common Stock | A | 27,991 | $0.00 | 106,789 | D | A |
| 01 Mar, 2026 | Justin J Noznesky | Common Stock | A | 27,991 | $0.00 | 106,789 | D | A |
| 01 Mar, 2026 | Vinayak Doraiswamy | Common Stock | A | 30,390 | $0.00 | 102,262 | D | A |
| 01 Mar, 2026 | Salvatore Privitera | Common Stock | A | 15,198 | $0.00 | 171,175 | D | A |
| 01 Mar, 2026 | Karl S. Dahlquist | Common Stock | A | 15,198 | $0.00 | 111,740 | D | A |