Richard T. Collier - 07 Nov 2022 Form 4 Insider Report for PROTHENA CORP PUBLIC LTD CO (PRTA)

Role: Director
Signature: /s/ Michael Malecek, as Attorney in Fact for Richard T. Collier
Issuer symbol: PRTA
Transactions as of: 07 Nov 2022
Net transactions value: -$246,033
Form type: 4
Filing time: 09 Nov 2022, 20:30:14 UTC
Previous filing: 07 Oct 2022
Next filing: 05 Dec 2022
SEC: View on sec.gov

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	$32,050	+5,000	+410%	$6.41^*	6,219	07 Nov 2022	Direct
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	$81,348	-1,486	-24%	$54.74	4,733	07 Nov 2022	Direct	F1, F2
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	$149,740	-2,688	-57%	$55.71	2,045	07 Nov 2022	Direct	F1, F3
transaction	PRTA	Ordinary Shares, par value $0.01 per share	Sale	$46,995	-826	-40%	$56.89	1,219	07 Nov 2022	Direct	F1, F4

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	-5,000	-33%	$0.000000	10,000	07 Nov 2022	Ordinary Shares	5,000	$6.41	Direct	F5

* 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 $54.29 to $55.195, 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 ranges set forth in footnotes 2 through 4 of this Form 4.
F3	The transaction was executed in multiple trades in prices ranging from $55.29 to $56.27, inclusive.
F4	The transaction was executed in multiple trades in prices ranging from $56.37 to $57.23, inclusive.
F5	The option was granted on January 29, 2013, and all shares subject to the option were fully vested and exercisable January 29, 2014. The option will expire in approximately three months and be forfeited to the extent it is not exercised on or prior to January 29, 2023.