Gene G. Kinney - Sep 28, 2022 Form 4 Insider Report for PROTHENA CORP PUBLIC LTD CO (PRTA)

Role: President and CEO
Signature: /s/ Michael Malecek, as Attorney in Fact for Gene G. Kinney
Stock symbol: PRTA
Transactions as of: Sep 28, 2022
Transactions value $: -$770,807
Form type: 4
Date filed: 9/30/2022, 09:31 PM
Previous filing: Sep 23, 2022
Next filing: Mar 3, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Options Exercise	$105K	+16.4K	+128.29%	$6.41^*	29.2K	Sep 28, 2022	Direct
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$50.3K	-1.05K	-3.58%	$48.09	28.2K	Sep 28, 2022	Direct	F1
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$6.32K	-128	-0.45%	$49.41	28K	Sep 28, 2022	Direct	F1
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$28.3K	-552	-1.97%	$51.30	27.5K	Sep 28, 2022	Direct	F1, F2
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$122K	-2.33K	-8.49%	$52.44	25.1K	Sep 28, 2022	Direct	F1, F3
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$312K	-5.85K	-23.27%	$53.40	19.3K	Sep 28, 2022	Direct	F1, F4
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$258K	-4.75K	-24.61%	$54.38	14.5K	Sep 28, 2022	Direct	F1, F5
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$74.2K	-1.34K	-9.23%	$55.32	13.2K	Sep 28, 2022	Direct	F1, F6
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$2.25K	-40	-0.3%	$56.19	13.2K	Sep 28, 2022	Direct	F1, F7
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$14K	-243	-1.85%	$57.70	12.9K	Sep 28, 2022	Direct	F1, F8
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	-$7.6K	-129	-1%	$58.93	12.8K	Sep 28, 2022	Direct	F1

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)	Options Exercise	$0	-16.4K	-100%	$0.00^*	0	Sep 28, 2022	Ordinary Shares	16.4K	$6.41	Direct	F9, F10

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

Explanation of Responses:

Id	Content
F1	The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
F2	The transaction was executed in multiple trades in prices ranging from $50.84 to $51.785, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in footnotes 2 through 8 of this Form 4.
F3	The transaction was executed in multiple trades in prices ranging from $51.95 to $52.93, inclusive.
F4	The transaction was executed in multiple trades in prices ranging from $52.96 to $53.92, inclusive.
F5	The transaction was executed in multiple trades in prices ranging from $53.96 to $54.91, inclusive.
F6	The transaction was executed in multiple trades in prices ranging from $54.995 to $55.94, inclusive.
F7	The transaction was executed in multiple trades in prices ranging from $56.115 to $56.34, inclusive.
F8	The transaction was executed in multiple trades in prices ranging from $57.37 to $58.08, inclusive.
F9	The option was granted on January 29, 2013 and all shares subject to the option were fully vested and exercisable. The option will expire in approximately four months and be forfeited to the extent it is not exercised on or prior to January 29, 2023.
F10	The Reporting Person holds options that give him the right to acquire an aggregate of 2,004,700 shares at exercise prices ranging from $12.15 to $32.45, of which 1,507,303 are currently exercisable, and 497,397 are currently unexercisable but vest over time, subject to the Reporting Person's continued employment with the Issuer on each applicable vesting date of each option award.