Karin L. Walker - Feb 23, 2022 Form 4 Insider Report for PROTHENA CORP PUBLIC LTD CO (PRTA)

Role: Chief Accounting Officer
Signature: /s/ Michael Malecek, as Attorney in Fact for Karin L. Walker
Stock symbol: PRTA
Transactions as of: Feb 23, 2022
Transactions value $: $0
Form type: 4
Date filed: 2/25/2022, 08:31 PM
Previous filing: Nov 26, 2021
Next filing: Jun 16, 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PRTA	Stock Option (Right to Buy)	Award	$0	+45.5K		$0.00	45.5K	Feb 23, 2022	Ordinary Shares	45.5K	$32.45	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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 23, 2023 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.

Content

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 23, 2023 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.