PROTHENA CORP PUBLIC LTD CO — Director's Dealing 2015

Jun 30, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Prothena Corp plc (PRTA)
CIK: 0001559053
Period of Report: 2015-06-29

Reporting Person: Harfstrand Karl Anders Olof (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-06-29	Stock Option (right to buy)	$49.60	A	30000	Acquired	2025-06-28	Ordinary Shares (30000)	Direct

Footnotes

F1: The shares subject to the option will vest and become exercisable as to 33 1/3% of the total number of shares subject to the option on the first anniversary of the grant date, 33 1/3% on the second anniversary of the grant date, and the remaining 33 1/3% on the earlier of the third anniversary of the grant date or the day prior to the annual general meeting in 2018 of the Issuer's shareholders, assuming continuous services as a director until each such vesting date.