PROTHENA CORP PUBLIC LTD CO

PRTA

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0000905148-26-001179
Filing date: Mar 5, 2026
Earliest execution date: Mar 3, 2026
Reporting Owners: Smith Brandon S. (COO)

Summary

Type

Neutral

Net shares

0

% of shares

0.00%

Amount (USD)

$0

Insider confidence score

52.5 out of 100

Positive

  • Minimal sell amount (<$10K)

Derivative Transactions

Transaction 1

Security

Stock Option (Right to Buy)

Action

Grant

Date

2026-03-03

Code

A

Net shares

+190,000.0

Acquired/Disposed

Acquired

Shares Owned Before

0.0

Shares Owned After

190,000.0

Filing's footnotes

1. The shares subject to the option will vest and become exercisable as to 25% of the total number of shares subject to the option on March 3, 2027, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date.

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.