| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Sep 02, 2026 | Buy | $9.47 | 27,000 | 255,739 | 827,000 | Sep 03, 2026, 06:23 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Aug 20, 2026 | Buy | $8.79 | 50,000 | 439,430 | 800,000 | Aug 21, 2026, 02:32 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Aug 17, 2026 | Gift | - | 336,000 | - | 1,377,553 | Aug 18, 2026, 04:03 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Aug 18, 2026 | Gift | - | 627,553 | - | 750,000 | Aug 18, 2026, 04:03 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Aug 10, 2026 | Gift | - | 251,553 | - | 1,041,553 | Aug 11, 2026, 04:08 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Aug 07, 2026 | Buy | $8.62 | 3,500 | 30,167 | 83,500 | Aug 10, 2026, 03:24 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Aug 07, 2026 | Buy | $8.62 | 34,000 | 293,053 | 790,000 | Aug 10, 2026, 03:24 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jun 16, 2026 | Buy | $7.90 | 20,000 | 157,990 | 756,000 | Jun 18, 2026, 11:38 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jun 15, 2026 | Gift | - | 325,000 | - | 736,000 | Jun 16, 2026, 04:58 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jun 11, 2026 | Buy | $8.17 | 125,000 | 1,021,225 | 1,061,000 | Jun 12, 2026, 05:59 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jun 04, 2026 | Buy | $9.31 | 50,000 | 465,295 | 936,000 | Jun 05, 2026, 01:46 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jun 02, 2026 | Buy | $9.43 | 50,000 | 471,300 | 886,000 | Jun 03, 2026, 12:41 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | May 22, 2026 | Buy | $9.81 | 100,000 | 981,300 | 836,000 | May 26, 2026, 02:51 PM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jan 02, 2025 | Gift | - | 13,200 | - | 636,993 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Dec 19, 2024 | Gift | - | 681,000 | - | 616,693 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jan 03, 2025 | Gift | - | 1,000 | - | 635,993 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Dec 20, 2024 | Gift | - | 500 | - | 618,193 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jan 14, 2025 | Buy | $12.79 | 100,000 | 1,279,040 | 735,993 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Dec 20, 2024 | Buy | $15.91 | 2,000 | 31,813 | 618,693 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Jan 15, 2025 | Gift | - | 12,000 | - | 47,000 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Dec 20, 2024 | Gift | - | 40,000 | - | 59,000 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Dec 18, 2024 | Gift | - | 430,000 | - | 1,224,257 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Dec 31, 2024 | Buy | $13.01 | 32,000 | 416,393 | 650,193 | May 02, 2025, 10:29 AM | |
| PRTA | PROTHENA CORP PUBLIC LTD CO | William P. Scully | 10% Owner | Dec 18, 2024 | Buy | $13.93 | 73,436 | 1,022,670 | 1,297,693 | May 02, 2025, 10:29 AM |
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