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Filing Details

Accession Number:: 0000899243-15-004426
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-09-03 16:06:20
Reporting Period:: 2015-09-01

Filing Date:: 2015-09-03
Accepted Time:: 2015-09-03 16:06:20
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1559053	Prothena Corp Plc	PRTA	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1573351	Martin Koller	C/O Prothena Biosciences Inc 650 Gateway Boulevard South San Francisco CA 94080	Chief Medical Officer	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Ordinary Shares, Par Value $0.01 Per Share	Acquisiton	2015-09-01	24,600	$6.73	24,600	No	4	M	Direct
Ordinary Shares, Par Value $0.01 Per Share	Disposition	2015-09-01	21,650	$55.58	2,950	No	4	S	Direct
Ordinary Shares, Par Value $0.01 Per Share	Disposition	2015-09-01	2,950	$56.18	0	No	4	S	Direct
Ordinary Shares, Par Value $0.01 Per Share	Acquisiton	2015-09-02	5,400	$6.73	5,400	No	4	M	Direct
Ordinary Shares, Par Value $0.01 Per Share	Disposition	2015-09-02	5,400	$55.17	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Ordinary Shares	Stock Option (right to buy)	Disposition	2015-09-01	24,600	$0.00	24,600	$6.73
Ordinary Shares	Stock Option (right to buy)	Disposition	2015-09-02	5,400	$0.00	5,400	$6.73

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
100,400		2023-03-31	No	4	M	Direct
95,000		2023-03-31	No	4	M	Direct

Footnotes

The sale reported in the Form 4 was effected pursuant to a Rule 10b5 1 trading plan adopted by the Reporting Person.
The transaction was executed in multiple trades in prices ranging from $55.00 to $55.98, 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.
The transaction was executed in multiple trades in prices ranging from $56.00 to $56.53, 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.
The transaction was executed in multiple trades in prices ranging from $55.00 to $55.46, 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.
The shares subject to the option will vest and become exercisable as to 25% of the total number of shares subject to the option on March 25, 2014 and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.