PROTHENA CORP PUBLIC LTD CO (PRTA)
Nasdaq · Pharmaceutical Preparations · Inc. L2
What they're doing
Between 2026-06-21 and 2026-09-19, public records show 3 signals for PROTHENA CORP PUBLIC LTD CO. Most notable: 2026-08-20: SCULLY WILLIAM P (ten_percent_owner) bought $439k of stock; 2026-08-07: SCULLY WILLIAM P (ten_percent_owner) bought $293k of stock; 2026-09-02: SCULLY WILLIAM P (ten_percent_owner) bought $256k of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-09-19 from public records.
Signals, last 12 months
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $843k of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $256k of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $439k of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $293k of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $158k of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $1.0M of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $466k of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $472k of stock
- Insider purchaseSCULLY WILLIAM P (ten_percent_owner) bought $981k of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-18 | SCULLY WILLIAM P | ten percent owner | P | 100,000 | 8.43 | $843,460 |
| 2026-09-02 | SCULLY WILLIAM P | ten percent owner | P | 27,000 | 9.47 | $255,739 |
| 2026-08-20 | SCULLY WILLIAM P | ten percent owner | P | 50,000 | 8.79 | $439,430 |
| 2026-08-18 | SCULLY WILLIAM P | ten percent owner | G | 627,553 | 0 | $0 |
| 2026-08-17 | SCULLY WILLIAM P | ten percent owner | G | 336,000 | 0 | $0 |
| 2026-08-10 | SCULLY WILLIAM P | ten percent owner | G | 251,553 | 0 | $0 |
| 2026-08-07 | SCULLY WILLIAM P | ten percent owner | P | 34,000 | 8.62 | $293,053 |
| 2026-08-07 | SCULLY WILLIAM P | ten percent owner | P | 3,500 | 8.62 | $30,167 |
| 2026-07-29 | Kingston Anne Evans | officer | S | 7,662 | 8.47 | $64,919 |
| 2026-07-29 | Isaacs Michael John | officer | S | 8,386 | 8.47 | $71,055 |
| 2026-07-28 | Zago Wagner M. | officer | M | 51,000 | — | — |
| 2026-07-28 | Zago Wagner M. | officer | D | 51,000 | 8.56 | $436,560 |
| 2026-07-28 | Walker Karin L | officer | M | 15,000 | — | — |
| 2026-07-28 | Walker Karin L | officer | D | 15,000 | 8.56 | $128,400 |
| 2026-07-28 | Swanson Chad J. | officer | M | 51,000 | — | — |
| 2026-07-28 | Swanson Chad J. | officer | D | 40,800 | 8.56 | $349,248 |
| 2026-07-28 | Swanson Chad J. | officer | F | 3,467 | 8.56 | $29,678 |
| 2026-07-28 | Smith Brandon S. | officer | M | 78,000 | — | — |
| 2026-07-28 | Smith Brandon S. | officer | D | 78,000 | 8.56 | $667,680 |
| 2026-07-28 | Nguyen Tran | officer | M | 57,000 | — | — |
| 2026-07-28 | Nguyen Tran | officer | D | 57,000 | 8.56 | $487,920 |
| 2026-07-28 | Kinney Gene G. | director | M | 84,000 | — | — |
| 2026-07-28 | Kinney Gene G. | director | D | 84,000 | 8.56 | $719,040 |
| 2026-07-28 | Kingston Anne Evans | officer | F | 3,498 | 8.56 | $29,943 |
| 2026-07-28 | Isaacs Michael John | officer | F | 4,694 | 8.56 | $40,181 |
| 2026-06-16 | SCULLY WILLIAM P | ten percent owner | P | 20,000 | 7.9 | $158,000 |
| 2026-06-16 | SCULLY WILLIAM P | ten percent owner | P | 20,000 | 7.9 | $157,990 |
| 2026-06-15 | SCULLY WILLIAM P | ten percent owner | G | 325,000 | 0 | $0 |
| 2026-06-15 | SCULLY WILLIAM P | ten percent owner | G | 325,000 | 0 | $0 |
| 2026-06-11 | SCULLY WILLIAM P | ten percent owner | P | 125,000 | 8.17 | $1,021,250 |
| 2026-06-11 | SCULLY WILLIAM P | ten percent owner | P | 125,000 | 8.17 | $1,021,225 |
| 2026-06-04 | SCULLY WILLIAM P | ten percent owner | P | 50,000 | 9.31 | $465,500 |
| 2026-06-04 | SCULLY WILLIAM P | ten percent owner | P | 50,000 | 9.31 | $465,295 |
| 2026-06-02 | SCULLY WILLIAM P | ten percent owner | P | 50,000 | 9.43 | $471,500 |
| 2026-06-02 | SCULLY WILLIAM P | ten percent owner | P | 50,000 | 9.43 | $471,300 |
| 2026-05-22 | SCULLY WILLIAM P | ten percent owner | P | 100,000 | 9.81 | $981,000 |
| 2026-05-22 | SCULLY WILLIAM P | ten percent owner | P | 100,000 | 9.81 | $981,300 |
| 2025-07-28 | Zago Wagner M. | officer | A | 85,000 | 0 | $0 |
| 2025-07-28 | Walker Karin L | officer | A | 25,000 | 0 | $0 |
| 2025-07-28 | Swanson Chad J. | officer | A | 85,000 | 0 | $0 |
| 2025-07-28 | Smith Brandon S. | officer | A | 130,000 | 0 | $0 |
| 2025-07-28 | Nguyen Tran | officer | A | 95,000 | 0 | $0 |
| 2025-07-28 | Malecek Michael J | officer | A | 80,000 | 0 | $0 |
| 2025-07-28 | Kinney Gene G. | director | A | 140,000 | 0 | $0 |
| 2025-07-28 | Zago Wagner M. | officer | A | 85,000 | 0 | $0 |
| 2025-07-28 | Walker Karin L | officer | A | 25,000 | 0 | $0 |
| 2025-07-28 | Swanson Chad J. | officer | A | 85,000 | 0 | $0 |
| 2025-07-28 | Smith Brandon S. | officer | A | 130,000 | 0 | $0 |
| 2025-07-28 | Nguyen Tran | officer | A | 95,000 | 0 | $0 |
| 2025-07-28 | Malecek Michael J | officer | A | 80,000 | 0 | $0 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
No Wikipedia pageview data linked to this company.