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CIK 0001559053 · Accelerated filer

PROTHENA CORP PUBLIC LTD CO

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Ticker
PRTA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
Ireland
Entity type
operating
Phone
011-353-1-236-2500
Business address
77 SIR JOHN ROGERSON'S QUAY, BLOCK C, GRAND CANAL DOCKLANDS, DUBLIN 2, Ireland, D02 VK60
Former names
Prothena Corp plc, Neotope Corp Ltd
Open-market buys, last 90 days
$9,848,721
in 10 filings
Open-market sales, last 90 days
$0
in 0 filings

Net +$9,848,721. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. SCULLY WILLIAM P +$9.8M 10% owner 10 filings

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-03-03 Nguyen Tran Chief Strategy Officer and CFO Grant or award · Stock Option (Right to Buy) +230,000 230,000
2026-03-03 Malecek Michael J Chief Legal Officer Grant or award · Stock Option (Right to Buy) +190,000 190,000
2026-03-03 Kinney Gene G. President and CEO Grant or award · Stock Option (Right to Buy) +520,000 520,000
2025-07-28 Zago Wagner M. Chief Scientific Officer Grant or award +85,000 85,000
2025-07-28 Walker Karin L Chief Accounting Officer Grant or award +25,000 25,000
2025-07-28 Swanson Chad J. Chief Development Officer Grant or award +85,000 85,000
2025-07-28 Smith Brandon S. Chief Operating Officer Grant or award +130,000 130,000
2025-07-28 Nguyen Tran Chief Strategy Officer and CFO Grant or award +95,000 97,205
2025-07-28 Malecek Michael J Chief Legal Officer Grant or award +80,000 80,000
2025-07-28 Kinney Gene G. President and CEO Grant or award +140,000 152,793
2025-05-14 WELCH DANIEL G Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-14 Selkoe Dennis J. Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-14 Kim Helen Susan Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-14 Ekman Lars Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-14 Dunn William H. Jr. Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-14 Cooke Shane Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-14 COLLIER RICHARD T Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-14 Cobb Paula K Director Grant or award · Stock Option (Right to Buy) +20,183 20,183
2025-05-06 EcoR1 Capital, LLC 10% owner Sale −1,984,053 $7.64 $15.2M 5,304,596
2025-05-05 EcoR1 Capital, LLC 10% owner Sale −977,693 $8.11 $7.9M 7,288,649

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