Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| ATRC | Groves Regina E | Director | 09/11/2026 | Verkauf | 54.22 | 5,313 | 288,071 | Form 4 |
| ATRC | Privitera Salvatore | Chief Technical Officer | 09/08/2026 | Verkauf | 55.00 | 3,657 | 201,135 | Form 4 |
| ATRA | Cherry Brian N | Director | 09/04/2026 | Kauf | 9.60 | 104,166 | 999,994 | Form 4 |
| ATRC | Privitera Salvatore | Chief Technical Officer | 09/02/2026 | Verkauf | 52.50 | 7,763 | 407,558 | Form 4 |
| ATR | Vinczeller Shiela | Chief Human Resources Officer | 09/02/2026 | Verkauf | 130.37 | 765 | 99,733 | Form 4 |
| ATR | Touya Gael | President and CEO | 09/01/2026 | Zuteilung | — | 2,637 | — | Form 4 |
| ATR | Touya Gael | Segment Pres., CEO Designate | 08/27/2026 | Verkauf | 134.55 | 325 | 43,730 | Form 4 |
| ATR | Touya Gael | Segment Pres., CEO Designate | 08/27/2026 | Verkauf | 133.69 | 3,415 | 456,546 | Form 4 |
| ATROB | Keane Robert S | Director | 08/25/2026 | Wandlung | — | 76,000 | — | Form 4 |
| ATRC | Dahlquist Karl S. | Chief Legal Officer | 08/24/2026 | Verkauf | 48.89 | 9,370 | 458,099 | Form 4 |
| ATROB | Peabody Mark | Executive VP & Pres-Aerospace | 08/18/2026 | Schenkung | — | 150 | — | Form 4 |
| ATRA | Nguyen AnhCo | President and CEO | 08/17/2026 | Verkauf | 8.08 | 5,062 | 40,883 | Form 4 |
| ATROB | Frisby Jeffry D | Director | 08/17/2026 | Schenkung | — | 2,000 | — | Form 4 |
| ATRC | Yuen Maggie | Director | 08/05/2026 | Verkauf | 38.42 | 3,500 | 134,470 | Form 4 |
| ATRC | Prange Karen | Director | 08/05/2026 | Verkauf | 38.80 | 3,564 | 138,283 | Form 4 |
| ATR | Prieur Marc | Segment President | 08/04/2026 | Verkauf | 137.10 | 124 | 17,000 | Form 4 |
| ATR | Prieur Marc | Segment President | 08/04/2026 | Verkauf | 136.23 | 3,376 | 459,897 | Form 4 |
| ATR | Tanda Stephan B. | President and CEO | 08/03/2026 | Verkauf | 136.16 | 9,838 | 1,339,588 | Form 4 |
| ATR | Tanda Stephan B. | President and CEO | 08/03/2026 | Optionsausübung | 74.79 | 9,838 | 735,784 | Form 4 |
| ATR | Tlili Hedi | Segment President | 08/03/2026 | Verkauf | 135.00 | 8,854 | 1,195,290 | Form 4 |
| ATRC | Carrel Michael H | President, CEO, & Director | 07/30/2026 | Schenkung | — | 4,000 | — | Form 4 |
| ATRC | Carrel Michael H | President, CEO, & Director | 07/30/2026 | Schenkung | — | 700 | — | Form 4 |
| ATRC | Noznesky Justin J | Chief Mktg & Strategy Officer | 07/29/2026 | Verkauf | 38.80 | 6,182 | 239,862 | Form 4 |
| ATRC | Doraiswamy Vinayak | Chief Scientific Officer | 07/28/2026 | Verkauf | 38.88 | 6,000 | 233,280 | Form 4 |
| ATRC | Wehrwein Sven | Director | 07/28/2026 | Verkauf | 37.84 | 25,000 | 946,000 | Form 4 |
| ATRC | Wehrwein Sven | Director | 07/28/2026 | Optionsausübung | 19.95 | 25,000 | 498,750 | Form 4 |
| ATRA | Redmile Group, LLC | Director | 07/22/2026 | Steuer-Abgabe | — | 60 | — | Form 4 |
| ATRA | Redmile Group, LLC | Director | 07/22/2026 | Optionsausübung | — | 195,211 | — | Form 4 |
| ATR | Fotiades George L | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
| ATR | Kampouri Monnas Giovanna | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
| ATR | Marey-Semper Isabel | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
| ATR | Matthews Candace S. | Director | 07/16/2026 | Zuteilung | — | 226 | — | Form 4 |
| ATR | Wunderlich Ralf K. | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
| ATR | Owens B Craig | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
| ATR | Glickman Sarah JS | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
| ATR | Xing Julie | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
| ATR | Trerotola Matthew L. | Director | 07/16/2026 | Zuteilung | — | 151 | — | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).