13G Filing: Adage Capital Management and Protagonist Therapeutics Inc (PTGX)

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Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Adage Capital Partners 0 2,056,076 0 2,056,076 2,056,076 12.2%
Adage Capital Partners GP 0 2,056,076 0 2,056,076 2,056,076 12.2%
Adage Capital Advisors 0 2,056,076 0 2,056,076 2,056,076 12.2%
Robert Atchinson 0 2,056,076 0 2,056,076 2,056,076 12.2%
Phillip Gross 0 2,056,076 0 2,056,076 2,056,076 12.2%

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Page 1 of 11 – SEC Filing

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
Under the Securities Exchange Act of 1934
(Amendment No. 2)*

Protagonist
Therapeutics, Inc.

(Name of Issuer)

Common Stock,
$0.00001 par value per share

(Title of Class of Securities)

74366E102

(CUSIP Number)

May 30, 2017

(Date of Event Which Requires Filing of This Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
¨ Rule 13d-1(b)
ý Rule 13d-1(c)
¨ Rule 13d-1(d)
(Page 1 of 11 Pages)

______________________________

*The remainder of this cover page shall
be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any
subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder
of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of
1934 (“Act“) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).

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