PROTHENA CORP PUBLIC LTD CO — Director's Dealing 2021

Jul 16, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PROTHENA CORP PUBLIC LTD CO (PRTA)
CIK: 0001559053
Period of Report: 2021-07-14

Reporting Person: HENNEY CHRISTOPHER S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-07-14	Ordinary Shares, par value $0.01 per share	M	11108	$11.33	Acquired	11108	Direct
2021-07-14	Ordinary Shares, par value $0.01 per share	S	9108	$55.3093	Disposed	2000	Direct
2021-07-14	Ordinary Shares, par value $0.01 per share	S	2000	$56.1315	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-14	Stock Option (Right to Buy)	$11.33	M	11108	Disposed	2030-05-20	Ordinary Shares (11108)	Direct

Footnotes

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 $55.00 to $55.86, 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 this footnote.

F3: The transaction was executed in multiple trades in prices ranging from $56.005 to $56.20, 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 this footnote.

F4: The shares subject to the option were fully vested as of the date of the exercise.