Document

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
_______________________________________________________
FORM 8-K 
_______________________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): September 28, 2017
_______________________________________________________
PROTHENA CORPORATION PUBLIC LIMITED COMPANY
(Exact Name of Registrant as Specified in its Charter)
_______________________________________________________
 
 
 
 
 
Ireland
 
001-35676
 
98-1111119
(State or Other Jurisdiction
of Incorporation)
 
(Commission
File Number)
 
(IRS Employer
Identification No.)
 
 
 
Adelphi Plaza
Upper George's Street
Dún Laoghaire
Co. Dublin, A96 T927, Ireland
(Address of principal executive offices including Zip Code)
Registrant’s telephone number, including area code: 011-353-1-236-2500
(Former Name or Former Address, if Changed Since Last Report.) 
_______________________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o




Item 8.01.
Other Events

On September 28, 2017, Prothena Corporation plc issued a press release announcing results from a Phase 1b multiple ascending dose study of PRX003, an investigational monoclonal antibody for the potential treatment of inflammatory diseases. That press release is attached as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01.
Financial Statements and Exhibits
(d) Exhibits.
Exhibit No.
 
Description
99.1
 

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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:
September 28, 2017
PROTHENA CORPORATION PLC
 
 
 
 
 
 
 
By:
 
/s/ Tran B. Nguyen
 
 
Name:
 
Tran B. Nguyen
 
 
Title:
 
Chief Financial Officer



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