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 |
|---|---|---|---|---|---|---|---|---|
| PRTA | Scully William P | 10% Owner | 10/27/2026 | Schenkung | — | 566,444 | — | Form 4 |
| PRTA | Scully William P | 10% Owner | 10/23/2026 | Kauf | 8.07 | 50,000 | 403,525 | Form 4 |
| PRTA | Scully William P | 10% Owner | 10/22/2026 | Kauf | 8.19 | 100,000 | 818,520 | Form 4 |
| PRTA | Scully William P | 10% Owner | 10/14/2026 | Kauf | 8.46 | 10,000 | 84,569 | Form 4 |
| PRTA | Scully William P | 10% Owner | 10/13/2026 | Kauf | 8.35 | 100,000 | 835,480 | Form 4 |
| PRTA | Scully William P | 10% Owner | 10/08/2026 | Kauf | 8.57 | 90,000 | 770,904 | Form 4 |
| PRTA | Scully William P | 10% Owner | 10/07/2026 | Kauf | 8.40 | 125,000 | 1,050,150 | Form 4 |
| PRTA | Scully William P | 10% Owner | 10/02/2026 | Kauf | 8.57 | 100,000 | 857,240 | Form 4 |
| PRTA | Scully William P | 10% Owner | 09/29/2026 | Kauf | 8.68 | 162,000 | 1,405,674 | Form 4 |
| PRTA | Scully William P | 10% Owner | 09/28/2026 | Kauf | 8.60 | 103,500 | 889,872 | Form 4 |
| PRTA | Scully William P | 10% Owner | 09/18/2026 | Kauf | 8.43 | 100,000 | 843,460 | Form 4 |
| PRTA | Scully William P | 10% Owner | 09/02/2026 | Kauf | 9.47 | 27,000 | 255,739 | Form 4 |
| PRTA | Scully William P | 10% Owner | 08/20/2026 | Kauf | 8.79 | 50,000 | 439,430 | Form 4 |
| PRTA | Scully William P | 10% Owner | 08/18/2026 | Schenkung | — | 627,553 | — | Form 4 |
| PRTA | Scully William P | 10% Owner | 08/17/2026 | Schenkung | — | 336,000 | — | Form 4 |
| PRTA | Scully William P | 10% Owner | 08/10/2026 | Schenkung | — | 251,553 | — | Form 4 |
| PRTA | Scully William P | 10% Owner | 08/07/2026 | Kauf | 8.62 | 3,500 | 30,167 | Form 4 |
| PRTA | Scully William P | 10% Owner | 08/07/2026 | Kauf | 8.62 | 34,000 | 293,053 | Form 4 |
| PRTA | Kingston Anne Evans | Chief Strategy Officer | 07/29/2026 | Verkauf | 8.47 | 7,662 | 64,919 | Form 4 |
| PRTA | Isaacs Michael John | General Counsel & Company Sec. | 07/29/2026 | Verkauf | 8.47 | 8,386 | 71,055 | Form 4 |
| PRTA | Zago Wagner M. | Chief Scientific Officer | 07/28/2026 | Abgabe | 8.56 | 51,000 | 436,560 | Form 4 |
| PRTA | Zago Wagner M. | Chief Scientific Officer | 07/28/2026 | Optionsausübung | — | 51,000 | — | Form 4 |
| PRTA | Walker Karin L | Chief Accounting Officer | 07/28/2026 | Abgabe | 8.56 | 15,000 | 128,400 | Form 4 |
| PRTA | Walker Karin L | Chief Accounting Officer | 07/28/2026 | Optionsausübung | — | 15,000 | — | Form 4 |
| PRTA | Swanson Chad J. | Chief Development Officer | 07/28/2026 | Steuer-Abgabe | 8.56 | 3,467 | 29,678 | Form 4 |
| PRTA | Swanson Chad J. | Chief Development Officer | 07/28/2026 | Abgabe | 8.56 | 40,800 | 349,248 | Form 4 |
| PRTA | Swanson Chad J. | Chief Development Officer | 07/28/2026 | Optionsausübung | — | 51,000 | — | Form 4 |
| PRTA | Smith Brandon S. | Chief Operating Officer | 07/28/2026 | Abgabe | 8.56 | 78,000 | 667,680 | Form 4 |
| PRTA | Smith Brandon S. | Chief Operating Officer | 07/28/2026 | Optionsausübung | — | 78,000 | — | Form 4 |
| PRTA | Nguyen Tran | Chief Strategy Officer and CFO | 07/28/2026 | Abgabe | 8.56 | 57,000 | 487,920 | Form 4 |
| PRTA | Nguyen Tran | Chief Strategy Officer and CFO | 07/28/2026 | Optionsausübung | — | 57,000 | — | Form 4 |
| PRTA | Kinney Gene G. | President and CEO | 07/28/2026 | Abgabe | 8.56 | 84,000 | 719,040 | Form 4 |
| PRTA | Kinney Gene G. | President and CEO | 07/28/2026 | Optionsausübung | — | 84,000 | — | Form 4 |
| PRTA | Kingston Anne Evans | Chief Strategy Officer | 07/28/2026 | Steuer-Abgabe | 8.56 | 3,498 | 29,943 | Form 4 |
| PRTA | Isaacs Michael John | General Counsel & Company Sec. | 07/28/2026 | Steuer-Abgabe | 8.56 | 4,694 | 40,181 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).