Sec Form 4 Filing - Index Venture Associates III Ltd @ Aegerion Pharmaceuticals, Inc. - 2012-01-30

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Index Venture Associates III Ltd 2. Issuer Name and Ticker or Trading Symbol Aegerion Pharmaceuticals, Inc. [ AEGR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) NO. 1 SEATON PLACE 3. Date of Earliest Transaction (MM/DD/YY) 01/30/2012 (Street) ST. HELIER, CHANNEL ISLANDSY9 JE48YJ 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 01/30/2012 S 50,000 ( 2 ) D $ 17.08 ( 3 ) 2,081,827 ( 4 ) I See footnote ( 1 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Index Venture Associates III Ltd NO. 1 SEATON PLACE ST. HELIER, CHANNEL ISLANDSY9 JE48YJ X Index Ventures III (Delaware) L.P. NO. 1 SEATON PLACE ST. HELIER, CHANNEL ISLANDSY9 JE48YJ X Index Ventures III (Jersey) L.P. NO. 1 SEATON PLACE ST. HELIER, CHANNEL ISLANDSY9 JE48YJ X Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. NO. 1 SEATON PLACE ST. HELIER, CHANNEL ISLANDSY9 JE48YJ X Yucca Partners L.P. Jersey Branch THE OGIER HOUSE, THE ESPLANADE ST. HELIER, CHANNEL ISLANDSY9 JE49WG X Signatures INDEX VENTURE ASSOCIATES III LTD, By: /s/ N.T. Greenwood, Director 02/01/2012 Signature of Reporting Person Date INDEX VENTURES III (DELAWARE), L.P., By: Index Venture Associates III Ltd. General Partner, By: /s/ N.T. Greenwood, Director 02/01/2012 Signature of Reporting Person Date INDEX VENTURES III (JERSEY), L.P., By: Index Ventures Associates III Ltd. General Partner, By: /s/ N.T. Greenwood, Director 02/01/2012 Signature of Reporting Person Date INDEX VENTURES III PARALLEL ENTREPRENEUR FUND (JERSEY), L.P., By: Index Venture Associates III Ltd. General Partner, By: /s/ N.T. Greenwood, Director 02/01/2012 Signature of Reporting Person Date YUCCA PARTNERS L.P. JERSEY BRANCH, By: Ogier Employee Benefit Services Limited as Authorized Signatory of Yucca Partners L.P. Jersey Branch in its Capacity as Administrator of the Index Co-Investment Scheme, By:/s/ Peter Le Breton, Authorised Signatory 02/01/2012 Signature of Reporting Person Date YUCCA PARTNERS L.P. JERSEY BRANCH, By: Ogier Employee Benefit Services Limited as Authorized Signatory of Yucca Partners L.P. Jersey Branch in its Capacity as Administrator of the Index Co-Investment Scheme, By:/s/ Donna Laverty, Authorised Signatory 02/01/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These securities are owned directly by Index Ventures III (Jersey), L.P. ("IVIII Jersey"), Index Ventures III (Delaware), L.P. ("IVIII Delaware") and Index Ventures Parallel Entrepreneur Fund (Jersey), L.P. ("IVPEF"), of which Index Venture Associates III Ltd. is the general partner, and by Yucca Partners L.P. Jersey Branch as Administrator of the Index Co-Investment Scheme ("Yucca"). Index Venture Associates III Ltd. disclaims beneficial ownership of all such shares held by the foregoing funds, except to the extent of its proportionate pecuniary interest therein. ( 2 )Such shares of Common Stock were sold by IVIII Jersey. ( 3 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.04 to $17.14. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. ( 4 )IVIII Jersey is the direct beneficial owner of 506,389 shares of Common Stock; IVIII Delaware is the direct beneficial owner of 1,541,886 shares of Common Stock; IVPEF is the direct beneficial owner of 21,273 shares of Common Stock; and Yucca is the direct beneficial owner of 12,279 shares of Common Stock.

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