Daniel G. Welch - Feb 21, 2024 Form 4 Insider Report for PROTHENA CORP PUBLIC LTD CO (PRTA)

Role: Director
Signature: /s/ Michael Malecek, as Attorney-in-Fact for Daniel G. Welch
Stock symbol: PRTA
Transactions as of: Feb 21, 2024
Transactions value $: $0
Form type: 4
Date filed: 2/23/2024, 05:37 PM
Previous filing: Dec 15, 2023
Next filing: May 17, 2024

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	+132K		$0.00	132K	Feb 21, 2024	Ordinary Shares	132K	$27.05	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 20% of the total number of shares subject to the option on the first anniversary of the grant date, 20% on the second anniversary of the grant date, 20% on the third anniversary of the grant date, 20% on the fourth anniversary of the grant date, and the remaining 20% on the fifth anniversary of the grant date, assuming continuous service as a director until each such vesting date.

Content

The shares subject to the option will vest and become exercisable as to 20% of the total number of shares subject to the option on the first anniversary of the grant date, 20% on the second anniversary of the grant date, 20% on the third anniversary of the grant date, 20% on the fourth anniversary of the grant date, and the remaining 20% on the fifth anniversary of the grant date, assuming continuous service as a director until each such vesting date.