PROTHENA CORP PUBLIC LTD CO — Director's Dealing 2017

Feb 24, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Prothena Corp plc (PRTA)
CIK: 0001559053
Period of Report: 2017-02-22

Reporting Person: Nguyen Tran (Chief Financial Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-22	Stock Option (right to buy)	$55.00	A	75000	Acquired	2027-02-22	Ordinary Shares (75000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares, par value $0.01 per share	2200	Direct

Footnotes

F1: 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 February 22, 2018 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.