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SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-13 · 0001045463-26-000021

  2. 4 · Ownership change

    Report date 2026-10-07 · 0001045463-26-000020

  3. 4 · Ownership change

    Report date 2026-10-02 · 0001045463-26-000019

  4. 8-K · Current report

    Report date 2026-10-02 · 0001559053-26-000024 · Items 5.02

  5. 4 · Ownership change

    Report date 2026-09-29 · 0001045463-26-000018

  6. 4 · Ownership change

    Report date 2026-09-28 · 0001045463-26-000017

  7. 4 · Ownership change

    Report date 2026-09-18 · 0001045463-26-000016

  8. 4 · Ownership change

    Report date 2026-09-02 · 0001045463-26-000015

  9. 4 · Ownership change

    Report date 2026-08-20 · 0001045463-26-000014

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001559053-26-000022

  11. 8-K · Current report

    Report date 2026-08-06 · 0001559053-26-000021 · Items 2.02,9.01

  12. 8-K · Current report

    Report date 2026-05-14 · 0001193125-26-226968 · Items 5.07

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001559053-26-000017

  14. 8-K · Current report

    Report date 2026-05-07 · 0001559053-26-000016 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-05-14 · 0001559053-26-000012

  16. 8-K · Current report

    Report date 2026-02-27 · 0001559053-26-000009 · Items 7.01,8.01,9.01

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001559053-26-000008

  18. 8-K · Current report

    Report date 2026-02-19 · 0001559053-26-000003 · Items 2.02,9.01

  19. 8-K · Current report

    Report date 2025-12-10 · 0001559053-25-000049 · Items 5.02,9.01

  20. 8-K · Current report

    Report date 2025-11-19 · 0001559053-25-000047 · Items 5.07,9.01

  21. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001559053-25-000044

  22. 8-K · Current report

    Report date 2025-11-06 · 0001559053-25-000042 · Items 2.02,9.01

  23. DEF 14A · Proxy statement

    Report date 2025-11-19 · 0001140361-25-037500

  24. 8-K · Current report

    Report date 2025-08-27 · 0001193125-25-189765 · Items 8.01,9.01

  25. 8-K · Current report

    Report date 2025-08-06 · 0001193125-25-174061 · Items 8.01,9.01

  26. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001559053-25-000031

  27. 8-K · Current report

    Report date 2025-08-04 · 0001559053-25-000029 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2025-07-30 · 0001193125-25-169367 · Items 5.02,9.01

  29. 8-K · Current report

    Report date 2025-06-13 · 0001193125-25-142725 · Items 2.05,5.02

  30. 8-K · Current report

    Report date 2025-06-15 · 0001193125-25-141098 · Items 8.01,9.01

  31. 8-K · Current report

    Report date 2025-05-23 · 0001193125-25-125881 · Items 8.01,9.01

  32. 8-K · Current report

    Report date 2025-05-13 · 0001559053-25-000025 · Items 5.02,5.07,9.01

  33. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001559053-25-000023

  34. 8-K · Current report

    Report date 2025-05-08 · 0001559053-25-000022 · Items 2.02,9.01

  35. DEF 14A · Proxy statement

    Report date 2025-05-13 · 0001559053-25-000017

  36. 10-K · Annual report

    Report date 2024-12-31 · 0001559053-25-000009

  37. 8-K · Current report

    Report date 2025-02-20 · 0001559053-25-000003 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2024-12-29 · 0001193125-24-286866 · Items 5.02

  39. SC 13G/A · Ownership disclosure

    0000080255-24-001411

  40. SC 13G/A · Ownership disclosure

    0001193125-24-256587

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 7 transaction rows7PSale: 2 transaction rows2SGrant / award: 0 transaction rows0AExercise / conversion: 12 transaction rows12MTax / exercise payment: 3 transaction rows3FGift: 3 transaction rows3G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

33 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-29
2026-09-30
SCULLY WILLIAM PP · Purchase
Acquired
Ordinary Shares, par value $0.01 per share162000.08.68
2026-09-28
2026-09-29
SCULLY WILLIAM PP · Purchase
Acquired
Ordinary Shares, par value $0.01 per share103500.08.6
2026-09-18
2026-09-21
SCULLY WILLIAM PP · Purchase
Acquired
Ordinary Shares, par value $0.01 per share100000.08.43
2026-09-02
2026-09-03
SCULLY WILLIAM PP · Purchase
Acquired
Ordinary Shares, par value $0.01 per share27000.09.47
2026-08-20
2026-08-21
SCULLY WILLIAM PP · Purchase
Acquired
Ordinary Shares, par value $0.01 per share50000.08.79
2026-08-18
2026-08-18
SCULLY WILLIAM PG · Gift
Disposed
Ordinary Shares, par value $0.01 per share627553.00.0
2026-08-17
2026-08-18
SCULLY WILLIAM PG · Gift
Acquired
Ordinary Shares, par value $0.01 per share336000.00.0
2026-08-10
2026-08-11
SCULLY WILLIAM PG · Gift
Acquired
Ordinary Shares, par value $0.01 per share251553.00.0
2026-08-07
2026-08-10
SCULLY WILLIAM PP · Purchase
Acquired
Ordinary Shares, par value $0.01 per share3500.08.62
2026-08-07
2026-08-10
SCULLY WILLIAM PP · Purchase
Acquired
Ordinary Shares, par value $0.01 per share34000.08.62
2026-07-29
2026-07-30
Kingston Anne EvansS · Sale
Disposed
Ordinary Shares, par value $0.01 per share7662.08.47
2026-07-29
2026-07-30
Isaacs Michael JohnS · Sale
Disposed
Ordinary Shares, par value $0.01 per share8386.08.47
2026-07-28
2026-07-30
Zago Wagner M.D · Disposition to issuer
Disposed
Ordinary Shares, par value $0.01 per share51000.08.56
2026-07-28
2026-07-30
Zago Wagner M.M · Exercise / conversion
Acquired
Ordinary Shares, par value $0.01 per share51000.0n/a
2026-07-28
2026-07-30
Zago Wagner M.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
51000.00.0
2026-07-28
2026-07-30
Walker Karin LD · Disposition to issuer
Disposed
Ordinary Shares, par value $0.01 per share15000.08.56
2026-07-28
2026-07-30
Walker Karin LM · Exercise / conversion
Acquired
Ordinary Shares, par value $0.01 per share15000.0n/a
2026-07-28
2026-07-30
Walker Karin LM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
15000.00.0
2026-07-28
2026-07-30
Swanson Chad J.M · Exercise / conversion
Acquired
Ordinary Shares, par value $0.01 per share51000.0n/a
2026-07-28
2026-07-30
Swanson Chad J.F · Tax / exercise payment
Disposed
Ordinary Shares, par value $0.01 per share3467.08.56
2026-07-28
2026-07-30
Swanson Chad J.D · Disposition to issuer
Disposed
Ordinary Shares, par value $0.01 per share40800.08.56
2026-07-28
2026-07-30
Swanson Chad J.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
51000.00.0
2026-07-28
2026-07-30
Smith Brandon S.M · Exercise / conversion
Acquired
Ordinary Shares, par value $0.01 per share78000.0n/a
2026-07-28
2026-07-30
Smith Brandon S.D · Disposition to issuer
Disposed
Ordinary Shares, par value $0.01 per share78000.08.56
2026-07-28
2026-07-30
Smith Brandon S.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
78000.00.0
2026-07-28
2026-07-30
Nguyen TranM · Exercise / conversion
Acquired
Ordinary Shares, par value $0.01 per share57000.0n/a
2026-07-28
2026-07-30
Nguyen TranD · Disposition to issuer
Disposed
Ordinary Shares, par value $0.01 per share57000.08.56
2026-07-28
2026-07-30
Nguyen TranM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
57000.00.0
2026-07-28
2026-07-30
Kinney Gene G.M · Exercise / conversion
Acquired
Ordinary Shares, par value $0.01 per share84000.0n/a
2026-07-28
2026-07-30
Kinney Gene G.D · Disposition to issuer
Disposed
Ordinary Shares, par value $0.01 per share84000.08.56
2026-07-28
2026-07-30
Kinney Gene G.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
84000.00.0
2026-07-28
2026-07-30
Kingston Anne EvansF · Tax / exercise payment
Disposed
Ordinary Shares, par value $0.01 per share3498.08.56
2026-07-28
2026-07-30
Isaacs Michael JohnF · Tax / exercise payment
Disposed
Ordinary Shares, par value $0.01 per share4694.08.56

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001559053PROTHENA CORP PUBLIC LTD CO

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names
  • Prothena Corp plc · former SEC name · 2012-10-29 to 2020-05-22
  • Neotope Corp Ltd · former SEC name · 2012-10-01 to 2012-10-01

Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$135.16M$145.17M
2023-12-31$91.37M$101.03M
2022-12-31$53.91M$62.05M
2021-12-31$200.58M$249.37M
2020-12-31$853.0K$1.11M
2019-12-31$814.0K$1.07M
2018-12-31$955.0K$1.28M
2017-12-31$27.52M$37.83M

Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

Explore the CPI history ↗