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13G Filing: Adage Capital Management and Puma Biotechnology Inc. (PBYI)

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Puma Biotechnology Inc. (NYSE:PBYI): Phill Gross And Robert Atchinson’s Adage Capital Management filed an amended 13D.

You can check out Adage Capital Management’s latest holdings and filings here.

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Phill Gross And Robert Atchinson
Phill Gross And Robert Atchinson
Adage Capital Management

You can access the original SEC filing by clicking here.

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 2,500,000 0 2,500,000 2,500,000 6.72%
Adage Capital Partners GP 0 2,500,000 0 2,500,000 2,500,000 6.72%
Adage Capital Advisors 0 2,500,000 0 2,500,000 2,500,000 6.72%
Robert Atchinson 0 2,500,000 0 2,500,000 2,500,000 6.72%
Phillip Gross 0 2,500,000 0 2,500,000 2,500,000 6.72%
Phill Gross And Robert Atchinson
Phill Gross And Robert Atchinson
Adage Capital Management

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. 4)*

Puma Biotechnology,
Inc.

(Name of Issuer)

Common Stock,
$0.0001 par value

(Title of Class of Securities)

74587V107

(CUSIP Number)

September
6, 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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