CUSIP No. 29664W 10 5 Page 1 of 8 Pages
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_____________________
SCHEDULE 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(Amendment No. )1
(Name of Issuer)
Common Stock, $0.001 par value
(Title of Class of Securities)
29664W 10 5
(CUSIP Number)
December 31, 2013
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)
[ ] Rule 13d-1(c)
[X] Rule 13d-1(d)
_______________________
1The 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 disclosures provided in a prior cover page. 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 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act.
CUSIP No. 29664W 10 5 Page 2 of 8 Pages
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1)
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Name of Reporting Person
I.R.S. Identification
No. of Above Person
(Entities Only)
(Voluntary)
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Domain Partners VII, L.P.
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2)
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Check the Appropriate Box
if a Member of a Group
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(a) [X]
(b) [ ]
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3)
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SEC Use Only
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4)
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Citizenship or Place
of Organization
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Delaware
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Number of
Shares Beneficially
Owned by Each
Reporting Person
With
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5)
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Sole Voting
Power
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2,136,977 shares of Common Stock *
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6)
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Shared Voting
Power
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-0-
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7)
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Sole Dispositive
Power
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2,136,977 shares of Common Stock *
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8)
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Shared Dispositive Power
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-0-
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9)
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Aggregate Amount Beneficially Owned by Each Reporting Person
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2,136,977 shares of Common Stock *
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10)
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares
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11)
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Percent of Class Represented by Amount in Row (9)
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13.9%
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12)
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Type of Reporting Person
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PN
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* Including shares issuable upon exercise of Warrants to Purchase Common Stock
CUSIP No. 29664W 10 5 Page 3 of 8 Pages
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1)
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Name of Reporting Person
I.R.S. Identification
No. of Above Person
(Entities Only)
(Voluntary)
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DP VII Associates, L.P.
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2)
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Check the Appropriate Box
if a Member of a Group
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(a) [X]
(b) [ ]
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3)
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SEC Use Only
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4)
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Citizenship or Place
of Organization
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Delaware
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Number of Shares Beneficially Owned by Each Reporting Person With
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5)
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Sole Voting
Power
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36,446 shares of Common Stock *
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6)
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Shared Voting
Power
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-0-
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7)
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Sole Dispositive
Power
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36,446 shares of Common Stock *
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8)
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Shared Dispositive Power
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-0-
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9)
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Aggregate Amount Beneficially Owned by Each Reporting Person
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36,446 shares of Common Stock *
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10)
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares
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11)
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Percent of Class Represented by Amount in Row (9)
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0.2%
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12)
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Type of Reporting Person
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PN
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* Including shares issuable upon exercise of Warrants to Purchase Common Stock
CUSIP No. 29664W 10 5 Page 4 of 8 Pages
Schedule 13G
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Item 1(a)
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–
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Name of Issuer: Esperion Therapeutics, Inc.
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Item 1(b)
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–
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Address of Issuer’s Principal Executive Offices:
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46701 Commerce Center Drive
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Plymouth, MI 48170
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Item 2(a)
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Name of Person Filing:
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This statement is being filed by Domain Partners VII, L.P., a Delaware limited partnership (“Domain VII”), and DP VII Associates, L.P., a Delaware limited partnership (“DP VII A”) (together, the “Reporting Persons”).
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Item 2(b)
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Address of Principal Business Office:
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One Palmer Square
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Princeton, NJ 08542
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Item 2(c)
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Place of Organization:
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Domain VII: Delaware
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DP VII A: Delaware
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Item 2(d)
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Title of Class of Securities:
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Common Stock, $0.001 par value
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Item 2(e)
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CUSIP Number: 29664W 10 5
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Item 3
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Statements Filed Pursuant to Rules 13d-1(b) or 13d-2(b):
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Not applicable.
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Item 4
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–
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Ownership.
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CUSIP No. 29664W 10 5 Page 5 of 8 Pages
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(a) through (c):
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The information set forth in Items 5 through 9 and 11 of the cover pages to this Schedule 13G is incorporated herein by reference. In addition, Domain Associates, L.L.C., an affiliate and the investment manager of the Reporting Persons, directly beneficially owns 21,471 shares of Common Stock, or approximately 0.1% of the Common Stock. Ownership is stated as of December 31, 2013 and ownership percentages are based on 15,357,413 shares of Common Stock outstanding as of December 31, 2013, as provided to the Reporting Person by the Issuer.
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Item 5
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–
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Ownership of Five Percent or Less of a Class:
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Not applicable.
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Item 6
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–
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Ownership of More than Five Percent on Behalf of Another Person:
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Not applicable.
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Item 7
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–
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Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Company:
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Not applicable.
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Item 8
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–
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Identification and Classification of Members of the Group:
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See Exhibit 2.
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Item 9
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–
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Notice of Dissolution of Group:
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Not applicable.
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Item 10
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–
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Certification:
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Not applicable.
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CUSIP No. 29664W 10 5 Page 6 of 8 Pages
Signature:
After reasonable inquiry and to the best of their knowledge and belief, the undersigned hereby certify that the information set forth in this statement is true, complete and correct.
Dated: February 4, 2014
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DOMAIN PARTNERS VII, L.P.
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By:
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One Palmer Square Associates VII, L.L.C., General Partner
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By:
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/s/ Kathleen K. Schoemaker
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Managing Member
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DP VII ASSOCIATES, L.P.
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By:
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One Palmer Square Associates VII, L.L.C., General Partner
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By:
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/s/ Kathleen K. Schoemaker
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Managing Member
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CUSIP No. 29664W 10 5 Page 7 of 8 Pages
EXHIBIT 2
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G to which this Agreement is annexed as Exhibit 2, and any amendments thereto, is and will be filed on behalf of each of them in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
Dated: February 4, 2014
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DOMAIN PARTNERS VII, L.P.
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By:
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One Palmer Square Associates VII, L.L.C., General Partner
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By:
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/s/ Kathleen K. Schoemaker
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Managing Member
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DP VII ASSOCIATES, L.P.
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By:
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One Palmer Square Associates VII, L.L.C., General Partner
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By:
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/s/ Kathleen K. Schoemaker
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Managing Member
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CUSIP No. 29664W 10 5 Page 8 of 8 Pages
EXHIBIT 2
Identification and Classification of Members of the Group
Domain Partners VII, L.P. and DP VII Associates, L.P. are filing this statement on Schedule 13G as a group.
Domain Partners VII, L.P. is a Delaware limited partnership. Its sole general partner is One Palmer Square Associates VII, L.L.C., a Delaware limited liability company.
DP VII Associates, L.P. is a Delaware limited partnership. Its sole general partner is One Palmer Square Associates VII, L.L.C., a Delaware limited liability company.