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Filing Details

Accession Number:: 0001140361-10-039795
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-10-04 20:08:50
Reporting Period:: 2010-09-30

Filing Date:: 2010-10-04
Accepted Time:: 2010-10-04 20:08:50
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1316175	Anthera Pharmaceuticals Inc	ANTH	Pharmaceutical Preparations (2834)	201852016

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1055949	D Samuel Isaly	767 Third Avenue, 30Th Floor New York NY 10017	No	No	Yes	No
1055951	Orbimed Advisors Llc	767 3Rd Avenue 30Th Floor New York NY 10017	No	No	Yes	No
1502240	Orbimed Capital Gp Iv Llc	767 Third Avenue, 30Th Floor New York NY 10017	No	No	Yes	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	Explanation
Common Stock	Acquisiton	2010-09-30	19,900	$4.08	3,449,734	No	4	P	Indirect	See Footnotes

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See Footnotes

Footnotes

The shares of Common Stock ("Shares") reported herein as indirectly beneficially owned by OrbiMed Capital GP IV LLC ("OrbiMed Capital"), OrbiMed Advisors LLC ("OrbiMed Advisors") and Samuel D. Isaly ("Isaly") are directly owned by Caduceus Private Investments IV, LP ("Caduceus") and each of OrbiMed Capital, OrbiMed Advisors and Isaly may be deemed to have a pecuniary interest in Shares beneficially owned by Caduceus. This Form 4 is being jointly filed by OrbiMed Capital, OrbiMed Advisors and Isaly and does not include common stock in which the Reporting Persons may be deemed to have a pecuniary interest as a result of ownership by Caduceus of derivative securities as reported on Form 3.
OrbiMed Capital is the sole general partner of Caduceus. OrbiMed Advisors is a registered adviser under the Investment Advisers Act of 1940, as amended, and the sole managing member of OrbiMed Capital GP IV. OrbiMed Advisors and OrbiMed Capital may be deemed to have beneficial ownership of the Shares reported herein by virtue of such relationships and the authority of OrbiMed Capital to direct the vote and disposition of the Shares held by Caduceus. Isaly, a natural person, may be deemed to have beneficial ownership of the Shares reported herein in his capacity as the holder of a controlling interest in OrbiMed Advisors.
Each of OrbiMed Advisors, OrbiMed Capital GP IV and Isaly disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Persons are beneficial owners for the purpose of Section 16 of the Exchange Act, or for any other purpose.