13D Filing: Tarpon Investimentos S.a. and B R F Brasil Foods S A (BRFS)

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 5)*

BRF S.A.

(Name of Issuer)

Common shares, no par value per share, including in the form of American Depositary Shares

(Title of Class of Securities)

10552T107¹

(CUSIP Number)

Tarpon
Investimentos S.A.

Att.: Compliance Office

Rua Iguatemi, 151, 23º andar

01451-011 São Paulo, SP Brazil

(55 11) 3074-5800

With
a Copy to:

William Sorabella, Esq.

David Feirstein, Esq.

Kirkland & Ellis LLP

601 Lexington Avenue

New
York, NY 10022

212-446-4800

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

February 25, 2016

(Date
of Event Which Requires Filing of This Statement)

If the filing
person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box.  ¨

Note: Schedules filed in paper format shall
include a signed original and five copies of the schedule, including all exhibits. See Section 240.13d-7 for other parties to whom copies are to be sent.

The information required on 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, as amended (the Exchange Act) or otherwise subject to the liabilities of that section of the Exchange Act but shall be
subject to all other provisions of the Exchange Act (however, see the Notes).