PROTHENA CORP PUBLIC LTD CO — Director's Dealing 2016

Aug 5, 2016

SEC Form 4/A — Form 4/A

Issuer: Prothena Corp plc (PRTA)
CIK: 0001559053
Period of Report: 2015-08-07

Reporting Person: HENNEY CHRISTOPHER S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-08-07	Ordinary Shares, par value $0.01 per share	M	10000	$6.65	Acquired	10000	Direct
2015-08-07	Ordinary Shares, par value $0.01 per share	S	4400	$62.3356	Disposed	5600	Direct
2015-08-07	Ordinary Shares, par value $0.01 per share	S	4560	$63.2523	Disposed	1040	Direct
2015-08-07	Ordinary Shares, par value $0.01 per share	S	1040	$64.0301	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-08-07	Stock Option (right to buy)	$6.65	M	10000	Disposed	2023-03-18	Ordinary Shares (10000)	Direct

Footnotes

F1: The transaction was executed in multiple trades in prices ranging from $61.785 to $62.785, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.

F2: The transaction was executed in multiple trades in prices ranging from $62.80 to $63.785, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.

F3: The transaction was executed in multiple trades in prices ranging from $63.84 to $64.16, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.

F4: The shares subject to the option are fully vested and exercisable as of the date hereof.

F5: In the original Form 4 filed on August 7, 2015, due to an administrative error, the purchase price in column four of row one of Table I was incorrectly listed as $6.41, rather than the correct purchase price of $6.65. This amendment is filed to correct the Form 4 to report the acquisition price of $6.65 per share under the reported transaction.