Skip to main content
PRTA logo

PRTA · Prothena Corp Public Ltd Co

Track PRTA — free
$8.86 -0.22 (-2.42%) At close · Aug 14
Market Cap
$454.85M
Shares
51.34M

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-07-29 ANNE KINGSTON 7,662
2026-07-29 MICHAEL JOHN ISAACS 8,386
2026-06-09 MALECEK MICHAEL J 80,000
2024-01-24 Walker Karin L 5,000
2023-12-20 Walker Karin L 5,000
2023-11-30 Walker Karin L 5,000
2023-10-25 Walker Karin L 5,000
2023-10-11 Smith Brandon S. 4,000
2023-10-04 Karp Carol D. 5,000
2023-09-27 Malecek Michael J 5,000
2023-09-25 Patel Sanjiv 35,000
2023-09-19 KARIN WALKER 5,000
2023-09-13 Smith Brandon S. 4,000
2023-09-13 Garren Hideki 2,000
2023-09-06 Karp Carol D. 5,000
2023-08-30 Malecek Michael J 5,000
2023-08-18 KARIN WALKER 5,000
2023-08-16 Smith Brandon S. 4,000
2023-08-16 Garren Hideki 2,000
2023-08-02 Zago Wagner M. 4,000
2023-08-02 Karp Carol D. 5,000
2023-07-26 Malecek Michael J 5,000
2023-07-19 KARIN WALKER 5,000
2023-07-12 Smith Brandon S. 4,000
2023-07-12 Garren Hideki 2,000
2023-07-05 Karp Carol D. 5,000
2023-07-05 Zago Wagner M. 4,000
2023-07-03 DENNIS SELKOE 5,000
2023-06-28 Malecek Michael J 5,000
2023-06-20 KARIN WALKER 5,000
2023-06-16 Garren Hideki 7,331
2023-06-14 Smith Brandon S. 5,333
2023-06-14 Garren Hideki 4,669
2023-06-14 Patel Sanjiv 35,000
2023-06-07 Karp Carol D. 20,000
2023-06-07 Zago Wagner M. 19,000
2023-05-31 Malecek Michael J 5,000
2023-05-19 KARIN WALKER 5,000
2023-05-17 Nguyen Tran 95,000
2023-05-17 Kinney Gene G. 45,000
2023-05-03 DENNIS SELKOE 15,000
2023-04-26 Malecek Michael J 5,000
2023-04-19 KARIN WALKER 5,000
Showing 1–43 of 43 filings
Key facts CIK 1559053 CUSIP G72800108 13F (30d) 181 filings 177 filers Visit website Investor relations