SC 13G

 

 

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

SCHEDULE 13G

Under the Securities and Exchange Act of 1934

 

 

Supernus Pharmaceuticals, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

868459108

(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:

This Schedule is filed pursuant to Rule 13d-1(b)

The information required in the remainder of this cover page (except any items to which the form provides a cross-reference) 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.

 

 

 


CUSIP No. 868459108  

 

  1)   

Name of reporting person

S.S. or I.R.S. Identification No. of Above Person

 

Ameriprise Financial, Inc.

 

IRS No. 13-3180631

  2)  

Check the appropriate box if a member of a group

(a)  ¨        (b)  x*

 

*  This filing describes the reporting person’s relationship with other persons, but the reporting person does not affirm the existence of a group.

  3)  

SEC use only

 

  4)  

Citizenship or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

   5)    

Sole voting power

 

    0

   6)   

Shared voting power

 

    1,583,377

   7)   

Sole dispositive power

 

    0

   8)   

Shared dispositive power

 

    1,980,077

  9)  

Aggregate amount beneficially owned by each reporting person

 

    1,980,077

10)  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11)  

Percent of class represented by amount in Row (9)

 

    5.85%

12)  

Type of reporting person

 

    HC

 


CUSIP No. 868459108  

 

  1)   

Name of reporting person

S.S. or I.R.S. Identification No. of Above Person

 

Columbia Management Investment Advisers, LLC

 

IRS No. 41-1533211

  2)  

Check the appropriate box if a member of a group

(a)  ¨        (b)  x*

 

*  This filing describes the reporting person’s relationship with other persons, but the reporting person does not affirm the existence of a group.

  3)  

SEC use only

 

  4)  

Citizenship or place of organization

 

    Minnesota

Number of

shares

beneficially

owned by

each

reporting

person

with

   5)    

Sole voting power

 

    0

   6)   

Shared voting power

 

    1,583,377

   7)   

Sole dispositive power

 

    0

   8)   

Shared dispositive power

 

    1,980,077

  9)  

Aggregate amount beneficially owned by each reporting person

 

    1,980,077

10)  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11)  

Percent of class represented by amount in Row (9)

 

    5.85%

12)  

Type of reporting person

 

    IA

 


1(a)    Name of Issuer:    Supernus Pharmaceuticals, Inc.
1(b)    Address of Issuer’s Principal Executive Offices:   

1550 E Gude Drive

Rockville, MD 20850

2(a)    Name of Person Filing:    (a) Ameriprise Financial, Inc. (“AFI”)
      (b) Columbia Management Investment Advisers, LLC (“CMIA”)
2(b)    Address of Principal Business Office:    (a) Ameriprise Financial, Inc.
      145 Ameriprise Financial Center
      Minneapolis, MN 55474
      (b) 225 Franklin St.
      Boston, MA 02110
2(c)    Citizenship:    (a) Delaware
      (b) Minnesota
2(d)    Title of Class of Securities:    Common Stock
2(e)    Cusip Number:    868459108

 

3 Information if statement is filed pursuant to Rules 13d-1(b) or 13d-2(b):

(a) Ameriprise Financial, Inc.

A parent holding company in accordance with Rule 13d-1(b)(1)(ii)(G). (Note: See Item 7)

(b) Columbia Management Investment Advisers, LLC

An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

 

4 Incorporated by reference to Items (5)-(9) and (11) of the cover page pertaining to each reporting person.

AFI, as the parent company of CMIA, may be deemed to beneficially own the shares reported herein by CMIA. Accordingly, the shares reported herein by AFI include those shares separately reported herein by CMIA.

Each of AFI and CMIA disclaims beneficial ownership of any shares reported on this Schedule.

 

5 Ownership of 5% or Less of a Class: Not Applicable

 

6 Ownership of more than 5% on Behalf of Another Person: Not Applicable

 

7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:

AFI: See Exhibit I


8 Identification and Classification of Members of the Group:

Not Applicable

 

9 Notice of Dissolution of Group:

Not Applicable

 

10 Certification:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purposes or effect.


Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 12, 2014

 

Ameriprise Financial, Inc.

By:

 

/s/ Martha Skinner

 

Name:

  Martha Skinner
 

Title:

  Director – Fund Administration – Financial Reporting

 

Columbia Management Investment Advisers, LLC

By:

 

/s/ Amy Johnson

  Name:   Amy Johnson
  Title:   Chief Operating Officer

 

Contact Information
  Martha Skinner
  Director – Fund Administration – Financial Reporting
  Telephone: (612) 671-7086


Exhibit Index

 

Exhibit I    Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company.
Exhibit II    Joint Filing Agreement