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 |
|---|---|---|---|---|---|---|---|---|
| NTRA | Brophy Michael Burkes | CHIEF FINANCIAL OFFICER | 10/30/2026 | Verkauf | 425.55 | 1,906 | 811,098 | Form 4 |
| NTRA | Brophy Michael Burkes | CHIEF FINANCIAL OFFICER | 10/28/2026 | Verkauf | 426.87 | 865 | 369,245 | Form 4 |
| NTRA | Brophy Michael Burkes | CHIEF FINANCIAL OFFICER | 10/28/2026 | Verkauf | 425.32 | 313 | 133,126 | Form 4 |
| NTRA | Fesko John | PRESIDENT, CHIEF BUS. OFFICER | 10/28/2026 | Verkauf | 426.34 | 898 | 382,854 | Form 4 |
| NTRA | Moshkevich Solomon | PRESIDENT, CLINICALDIAGNOSTICS | 10/28/2026 | Verkauf | 426.34 | 1,162 | 495,408 | Form 4 |
| NTRA | Rabinowitz Daniel | SEC. AND CHIEF LEGAL OFFICER | 10/28/2026 | Verkauf | 426.34 | 968 | 412,698 | Form 4 |
| NTRA | Chapman Steven Leonard | CEO AND PRESIDENT | 10/28/2026 | Verkauf | 426.34 | 3,430 | 1,462,348 | Form 4 |
| NTRA | Brophy Michael Burkes | CHIEF FINANCIAL OFFICER | 10/28/2026 | Verkauf | 426.34 | 1,198 | 510,756 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/28/2026 | Verkauf | 426.34 | 187 | 79,726 | Form 4 |
| NTRA | Fesko John | PRESIDENT, CHIEF BUS. OFFICER | 10/27/2026 | Verkauf | 406.00 | 781 | 317,086 | Form 4 |
| NTRA | Moshkevich Solomon | PRESIDENT, CLINICALDIAGNOSTICS | 10/27/2026 | Verkauf | 406.00 | 1,010 | 410,060 | Form 4 |
| NTRA | Rabinowitz Daniel | SEC. AND CHIEF LEGAL OFFICER | 10/27/2026 | Verkauf | 406.00 | 884 | 358,904 | Form 4 |
| NTRA | Chapman Steven Leonard | CEO AND PRESIDENT | 10/27/2026 | Verkauf | 406.00 | 2,264 | 919,184 | Form 4 |
| NTRA | Brophy Michael Burkes | CHIEF FINANCIAL OFFICER | 10/27/2026 | Verkauf | 406.00 | 781 | 317,086 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/27/2026 | Verkauf | 406.00 | 291 | 118,146 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/27/2026 | Verkauf | 406.00 | 1,718 | 697,508 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 416.67 | 165 | 68,751 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 415.67 | 255 | 105,995 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 413.05 | 125 | 51,631 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 412.20 | 211 | 86,974 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 411.32 | 605 | 248,847 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 409.89 | 627 | 257,003 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 408.26 | 962 | 392,745 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/21/2026 | Verkauf | 406.50 | 200 | 81,300 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 409.34 | 98 | 40,116 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 401.62 | 60 | 24,097 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 398.95 | 142 | 56,651 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 406.06 | 80 | 32,485 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 406.63 | 35 | 14,232 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 405.15 | 50 | 20,258 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 403.70 | 90 | 36,333 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 400.68 | 280 | 112,189 | Form 4 |
| NTRA | Sheena Jonathan | Director | 10/16/2026 | Verkauf | 399.34 | 215 | 85,858 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 408.24 | 2,000 | 816,471 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 407.27 | 3,800 | 1,547,612 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 406.63 | 1,400 | 569,282 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 405.18 | 6,274 | 2,542,096 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 404.64 | 10,321 | 4,176,306 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 403.27 | 3,858 | 1,555,798 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 402.23 | 6,309 | 2,537,684 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 401.42 | 5,974 | 2,398,094 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 400.31 | 2,671 | 1,069,226 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 399.31 | 793 | 316,655 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 397.16 | 1,100 | 436,875 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 396.30 | 1,900 | 752,979 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 393.47 | 800 | 314,777 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 394.40 | 300 | 118,319 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 398.09 | 600 | 238,854 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 389.84 | 714 | 278,345 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Verkauf | 388.32 | 286 | 111,059 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/15/2026 | Optionsausübung | 10.41 | 50,000 | 520,500 | Form 4 |
| NTRA | Rabinowitz Matthew | EXECUTIVE CHAIRMAN | 10/07/2026 | Schenkung | — | 6,000 | — | Form 4 |
| NTRA | Moshkevich Solomon | PRESIDENT, CLINICALDIAGNOSTICS | 10/01/2026 | Verkauf | 415.07 | 1,846 | 766,218 | Form 4 |
| NTRA | Moshkevich Solomon | PRESIDENT, CLINICALDIAGNOSTICS | 10/01/2026 | Verkauf | 413.11 | 954 | 394,104 | Form 4 |
| NTRA | Moshkevich Solomon | PRESIDENT, CLINICALDIAGNOSTICS | 10/01/2026 | Verkauf | 411.62 | 200 | 82,324 | Form 4 |
| NTRA | Chapman Steven Leonard | CEO AND PRESIDENT | 10/01/2026 | Verkauf | 413.31 | 1,273 | 526,144 | Form 4 |
| NTRA | Sheena Jonathan | Director | 09/23/2026 | Verkauf | 390.53 | 220 | 85,916 | Form 4 |
| NTRA | Sheena Jonathan | Director | 09/23/2026 | Verkauf | 389.71 | 1,935 | 754,090 | Form 4 |
| NTRA | Sheena Jonathan | Director | 09/23/2026 | Verkauf | 388.76 | 1,341 | 521,332 | Form 4 |
| NTRA | Sheena Jonathan | Director | 09/23/2026 | Verkauf | 387.74 | 2,846 | 1,103,494 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).