PRTA insider transaction filings
PROTHENA CORP PUBLIC LTD CO — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-21. Screen PRTA transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-21 | 4 | SCULLY WILLIAM P — 10% owner | Purchase (P): 50,000 @ $8.79 | EDGAR |
| 2026-08-18 | 4 | SCULLY WILLIAM P — 10% owner | Gift (G): 336,000 @ $0 · Gift (G): 627,553 @ $0 | EDGAR |
| 2026-08-11 | 4 | SCULLY WILLIAM P — 10% owner | Gift (G): 251,553 @ $0 | EDGAR |
| 2026-08-10 | 4 | SCULLY WILLIAM P — 10% owner | Purchase (P): 34,000 @ $8.62 · Purchase (P): 3,500 @ $8.62 | EDGAR |
| 2026-07-30 | 4 | Swanson Chad J. — Chief Development Officer | Option exercise (M): 51,000 · Disposition to issuer (D): 40,800 @ $8.56 · Tax withholding (F): 3,467 @ $8.56 · Option exercise (M): 51,000 (derivative) @ $0 | EDGAR |
| 2026-07-30 | 4 | Walker Karin L — Chief Accounting Officer | Option exercise (M): 15,000 · Disposition to issuer (D): 15,000 @ $8.56 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2026-07-30 | 4 | Zago Wagner M. — Chief Scientific Officer | Option exercise (M): 51,000 · Disposition to issuer (D): 51,000 @ $8.56 · Option exercise (M): 51,000 (derivative) @ $0 | EDGAR |
| 2026-07-30 | 4 | Kinney Gene G. — President and CEO, Director | Option exercise (M): 84,000 · Disposition to issuer (D): 84,000 @ $8.56 · Option exercise (M): 84,000 (derivative) @ $0 | EDGAR |
| 2026-07-30 | 4 | Nguyen Tran — Chief Strategy Officer and CFO | Option exercise (M): 57,000 · Disposition to issuer (D): 57,000 @ $8.56 · Option exercise (M): 57,000 (derivative) @ $0 | EDGAR |
| 2026-07-30 | 4 | Smith Brandon S. — Chief Operating Officer | Option exercise (M): 78,000 · Disposition to issuer (D): 78,000 @ $8.56 · Option exercise (M): 78,000 (derivative) @ $0 | EDGAR |
| 2026-07-30 | 4 | Isaacs Michael John — General Counsel & Company Sec. | Tax withholding (F): 4,694 @ $8.56 · Sale (S): 8,386 @ $8.47 | EDGAR |
| 2026-07-30 | 4 | Kingston Anne Evans — Chief Strategy Officer | Tax withholding (F): 3,498 @ $8.56 · Sale (S): 7,662 @ $8.47 | EDGAR |
| 2026-06-18 | 4 | SCULLY WILLIAM P — 10% owner | Purchase (P): 20,000 @ $7.90 | EDGAR |
| 2026-06-16 | 4 | SCULLY WILLIAM P — 10% owner | Gift (G): 325,000 @ $0 | EDGAR |
| 2026-06-12 | 4 | SCULLY WILLIAM P — 10% owner | Purchase (P): 125,000 @ $8.17 | EDGAR |
| 2026-06-05 | 4 | SCULLY WILLIAM P — 10% owner | Purchase (P): 50,000 @ $9.31 | EDGAR |
| 2026-06-03 | 4 | SCULLY WILLIAM P — 10% owner | Purchase (P): 50,000 @ $9.43 | EDGAR |
| 2026-05-26 | 4 | SCULLY WILLIAM P — 10% owner | Purchase (P): 100,000 @ $9.81 | EDGAR |
| 2026-05-15 | 4 | Selkoe Dennis J. — Director | Grant/award (A): 27,000 (derivative) @ $0 | EDGAR |
| 2026-05-15 | 4 | Dunn William H. Jr. — Director | Grant/award (A): 27,000 (derivative) @ $0 | EDGAR |
| 2026-05-15 | 4 | Cooke Shane — Director | Grant/award (A): 27,000 (derivative) @ $0 | EDGAR |
| 2026-05-15 | 4 | Ekman Lars — Director | Grant/award (A): 27,000 (derivative) @ $0 | EDGAR |
| 2026-05-15 | 4 | WELCH DANIEL G — Director | Grant/award (A): 27,000 (derivative) @ $0 | EDGAR |
| 2026-05-15 | 4 | COLLIER RICHARD T — Director | Grant/award (A): 27,000 (derivative) @ $0 | EDGAR |
| 2026-04-10 | 4 | Kingston Anne Evans — Chief Strategy Officer | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Zago Wagner M. — Chief Scientific Officer | Grant/award (A): 190,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Walker Karin L — Chief Accounting Officer | Grant/award (A): 150,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Swanson Chad J. — Chief Development Officer | Grant/award (A): 190,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Smith Brandon S. — Chief Operating Officer | Grant/award (A): 190,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Malecek Michael J — Chief Legal Officer | Grant/award (A): 190,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Kinney Gene G. — President and CEO, Director | Grant/award (A): 520,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Nguyen Tran — Chief Strategy Officer and CFO | Grant/award (A): 230,000 (derivative) @ $0 | EDGAR |
| 2025-07-30 | 4 | Zago Wagner M. — Chief Scientific Officer | Grant/award (A): 85,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Walker Karin L — Chief Accounting Officer | Grant/award (A): 25,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Swanson Chad J. — Chief Development Officer | Grant/award (A): 85,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Smith Brandon S. — Chief Operating Officer | Grant/award (A): 130,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Malecek Michael J — Chief Legal Officer | Grant/award (A): 80,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Kinney Gene G. — President and CEO, Director | Grant/award (A): 140,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Nguyen Tran — Chief Strategy Officer and CFO | Grant/award (A): 95,000 @ $0 | EDGAR |
| 2025-05-16 | 4 | Dunn William H. Jr. — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | Selkoe Dennis J. — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | Cobb Paula K — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | Cooke Shane — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | Kim Helen Susan — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | Ekman Lars — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | WELCH DANIEL G — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | COLLIER RICHARD T — Director | Grant/award (A): 20,183 (derivative) @ $0 | EDGAR |
| 2025-05-06 | 4 | EcoR1 Capital, LLC — 10% owner | Sale (S): 3,317,938 @ $8.36 · Sale (S): 977,693 @ $8.11 · Sale (S): 1,984,053 @ $7.64 | EDGAR |
| 2025-05-02 | 4 | SCULLY WILLIAM P — 10% owner | Gift (G): 430,000 @ $0 · Purchase (P): 73,436 @ $13.93 · Gift (G): 681,000 @ $0 · Purchase (P): 2,000 @ $15.91 · Gift (G): 500 @ $0 · Purchase (P): 1,200 @ $13.37 · +7 more | EDGAR |
| 2025-03-07 | 4 | Zago Wagner M. — Chief Scientific Officer | Grant/award (A): 107,500 (derivative) @ $0 | EDGAR |
Recent 8-K events — PROTHENA CORP PUBLIC LTD CO
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-15 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-27 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-19 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-12 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-19 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-27 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-06 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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