UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13D
UNDERTHE SECURITIES EXCHANGE ACTOF 1934
(Amendment No. 2)*
Aratana Therapeutics, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
03874P 10 1
(CUSIP Number)
Ansbert Gadicke
MPM Asset Management
The John Hancock Tower
200 Clarendon Street, 54th Floor
Boston, MA 02116
Telephone: (617) 425-9200
(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
April 8, 2014
(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 §§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 §240.13d-7 for other parties to whom copies are to be sent.
| * | The 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 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
Page 1
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
MPM BioVentures V, L.P. | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
WC | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
Delaware | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
1,979,668 | ||||
| 8. | Shared Voting Power
0 | |||||
| 9. | Sole Dispositive Power
1,979,668 | |||||
| 10. | Shared Dispositive Power
0 | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
1,979,668 | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
6.7%(2) | |||||
| 14. | Type of Reporting Person (See Instructions)
PN | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by MPM BioVentures V, L.P. (“BV V”), MPM Asset Management Investors BV5 LLC (“AM LLC”), MPM BioVentures V GP LLC (“BV V GP”), MPM BioVentures V LLC (“BV V LLC”), MPM Capital LLC (“MPM Capital”), Medical Portfolio Management LLC (“Med Portfolio”) (collectively, the “MPM Entities”) and Ansbert Gadicke, Luke Evnin, Todd Foley, James Paul Scopa and Vaughn Kailian (collectively, the “Listed Persons” and together with the MPM Entities, the “Filing Persons”). The Listed Persons are members of BV V LLC and AM LLC. Ansbert Gadicke and Luke Evnin are members of Med Portfolio. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | This percentage is calculated based upon 29,477,246 shares of Aratana Therapeutics, Inc.’s (the “Issuer”) common stock, par value $0.001 per share (the “Common Stock”) outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission (the “Commission”) on March 26, 2014. |
Page 2
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
MPM Asset Management Investors BV5 LLC | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
WC | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
Delaware | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
77,060 | ||||
| 8. | Shared Voting Power
0 | |||||
| 9. | Sole Dispositive Power
77,060 | |||||
| 10. | Shared Dispositive Power
0 | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
77,060 | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
0.3%(2) | |||||
| 14. | Type of Reporting Person (See Instructions)
OO | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 3
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
MPM BioVentures V GP LLC | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
WC | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
Delaware | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
0 | ||||
| 8. | Shared Voting Power
1,979,668(2) | |||||
| 9. | Sole Dispositive Power
0 | |||||
| 10. | Shared Dispositive Power
1,979,668(2) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
1,979,668(2) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
6.7%(3) | |||||
| 14. | Type of Reporting Person (See Instructions)
OO | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | Represents shares of Common Stock held by BV V. BV V GP and BV V LLC are the direct and indirect general partners of BV V. |
| (3) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 4
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
MPM BioVentures V LLC | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
WC | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
Delaware | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
0 | ||||
| 8. | Shared Voting Power
2,056,728(2) | |||||
| 9. | Sole Dispositive Power
0 | |||||
| 10. | Shared Dispositive Power
2,056,728(2) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
2,056,728(2) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
7.0%(3) | |||||
| 14. | Type of Reporting Person (See Instructions)
OO | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | Includes 1,979,668 shares of Common Stock held by BV V and 77,060 shares of Common Stock held by AM LLC. BV V GP and BV V LLC are the direct and indirect general partners of BV V and BV V LLC is the manager of AM LLC. |
| (3) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 5
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
MPM Capital LLC | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
WC | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
Delaware | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
37,117 | ||||
| 8. | Shared Voting Power
0 | |||||
| 9. | Sole Dispositive Power
37,117 | |||||
| 10. | Shared Dispositive Power
0 | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
37,117 | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
0.1%(2) | |||||
| 14. | Type of Reporting Person (See Instructions)
OO | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 6
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
Medical Portfolio Management LLC | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
WC | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
Delaware | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
0 | ||||
| 8. | Shared Voting Power
37,117(2) | |||||
| 9. | Sole Dispositive Power
0 | |||||
| 10. | Shared Dispositive Power
37,117(2) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
37,117(2) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
0.1%(3) | |||||
| 14. | Type of Reporting Person (See Instructions)
OO | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | Shares held by MPM Capital, of which the Reporting Person is the managing member. |
| (3) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 7
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
Ansbert Gadicke | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
OO | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
United States | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
0 | ||||
| 8. | Shared Voting Power
2,093,845(2) | |||||
| 9. | Sole Dispositive Power
0 | |||||
| 10. | Shared Dispositive Power
2,093,845(2) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
2,093,845(2) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
7.1%(3) | |||||
| 14. | Type of Reporting Person (See Instructions)
IN | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | Includes 1,979,668 shares of Common Stock held by BV V, 77,060 shares of Common Stock held by AM LLC and 37,117 shares of Common Stock held by MPM Capital. BV V GP and BV V LLC are the direct and indirect general partners of BV V and BV V LLC is the manager of AM LLC. Med Portfolio is the managing member of MPM Capital. The Reporting Person is a member of BV V LLC and Med Portfolio. |
| (3) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 8
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
Luke Evnin | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
OO | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
United States | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
38,386 | ||||
| 8. | Shared Voting Power
2,093,845(2) | |||||
| 9. | Sole Dispositive Power
38,386 | |||||
| 10. | Shared Dispositive Power
2,093,845(2) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
2,132,231(2) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
7.2%(3) | |||||
| 14. | Type of Reporting Person (See Instructions)
IN | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | Includes 1,979,668 shares of Common Stock held by BV V, 77,060 shares of Common Stock held by AM LLC and 37,117 shares of Common Stock held by MPM Capital. BV V GP and BV V LLC are the direct and indirect general partners of BV V and BV V LLC is the manager of AM LLC. Med Portfolio is the managing member of MPM Capital. The Reporting Person is a member of BV V LLC and Med Portfolio. |
| (3) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 9
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
Todd Foley | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
OO | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
United States | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
0 | ||||
| 8. | Shared Voting Power
2,056,728(2) | |||||
| 9. | Sole Dispositive Power
0 | |||||
| 10. | Shared Dispositive Power
2,056,728(2) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
2,056,728(2) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
7.0%(3) | |||||
| 14. | Type of Reporting Person (See Instructions)
IN | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | Includes 1,979,668 shares of Common Stock held by BV V and 77,060 shares of Common Stock held by AM LLC. BV V GP and BV V LLC are the direct and indirect general partners of BV V and BV V LLC is the manager of AM LLC. The Reporting Person is a member of BV V LLC. |
| (3) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 10
| CUSIP No. 03874P 10 1 |
| 1. | Name of Reporting Persons.
James Paul Scopa | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
OO | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
United States | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
22,767 | ||||
| 8. | Shared Voting Power
2,056,728(2) | |||||
| 9. | Sole Dispositive Power
22,767 | |||||
| 10. | Shared Dispositive Power
2,056,728(2) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
2,079,495(2) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
7.1%(3) | |||||
| 14. | Type of Reporting Person (See Instructions)
IN | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | Includes 1,979,668 shares of Common Stock held by BV V and 77,060 shares of Common Stock held by AM LLC. BV V GP and BV V LLC are the direct and indirect general partners of BV V and BV V LLC is the manager of AM LLC. The Reporting Person is a member of BV V LLC. |
| (3) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 11
| CUSIP No.03874P 10 1 |
| 1. | Name of Reporting Persons.
Vaughn M. Kailian | |||||
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions) (a) ¨ (b) x (1)
| |||||
| 3. | SEC USE ONLY
| |||||
| 4. | Source of Funds (See Instructions)
OO | |||||
| 5. | Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)
| |||||
| 6. | Citizenship or Place of Organization
United States | |||||
Number of Shares Beneficially Owned by Each Reporting Person With:
| 7. | Sole Voting Power
17,937(2) | ||||
| 8. | Shared Voting Power
2,056,728(3) | |||||
| 9. | Sole Dispositive Power
17,937 | |||||
| 10. | Shared Dispositive Power
2,056,728(3) | |||||
| 11. | Aggregate Amount Beneficially Owned by Each Reporting Person
2,074,665(3) | |||||
| 12. | Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)
| |||||
| 13. | Percent of Class Represented by Amount in Row (11)
7.0%(4) | |||||
| 14. | Type of Reporting Person (See Instructions)
IN | |||||
| (1) | This Amendment No. 2 to the statement on Schedule 13D is filed by the MPM Entities and the Listed Persons. The MPM Entities and the Listed Persons expressly disclaim status as a “group” for purposes of this Schedule 13D. |
| (2) | 2,627 of the shares are held by The Vaughn and Patricia Kailian Revocable Trust u/a/dtd 12/18/1992, of which the Reporting Person is trustee. |
| (3) | Includes 1,979,668 shares of Common Stock held by BV V and 77,060 shares of Common Stock held by AM LLC. BV V GP and BV V LLC are the direct and indirect general partners of BV V and BV V LLC is the manager of AM LLC. The Reporting Person is a member of BV V LLC. |
| (4) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
Page 12
This Amendment No. 2 (the “Amendment”) to the statement on Schedule 13D is being filed by the Filing Persons (as defined below) and amends the Schedule 13D filed with the Commission on August 7, 2013 as amended by Amendment No.1 filed March 13, 2014 (as amended, the “Original Schedule 13D”), and relates to shares of Common Stock, $0.001 par value per share (“Common Stock”), of Aratana Therapeutics, Inc., a Delaware corporation (the “Issuer”). This Amendment is being filed by the Filing Persons to report the open market sales of shares of the Issuer’s Common Stock by certain Filing Persons.
Items 4, 5 and 7 of the Original Schedule 13D are hereby amended and supplemented to the extent hereinafter expressly set forth and, except as amended and supplemented hereby, the Original Schedule 13D remains in full force and effect. All capitalized terms used in this Amendment but not defined herein shall have the meanings ascribed thereto in the Original Schedule 13D.
| Item 4. | Purpose of Transaction |
Item 4 of the Original Schedule 13D is hereby amended and supplemented by adding the following paragraph at the end of Item 4:
On April 8, 2014, BV V sold 668,306 shares and AM LLC sold 26,014 shares of the Issuer’s Common Stock for aggregate gross proceeds of $9,512,184.
| Item 5. | Interest in Securities of the Issuer |
Item 5 of the Original Schedule 13D is hereby amended and restated in its entirety as follows:
(a) – (b) The following information with respect to the ownership of the Common Stock of the Issuer by the Filing Persons is provided as of April 9, 2014:
Reporting Person | Shares Held Directly | Sole Voting Power | Shared Voting Power | Sole Dispositive Power | Shared Dispositive Power | Beneficial Ownership | Percentage of Class (1) | |||||||||||||||||||||
BV V | 1,979,668 | 1,979,668 | 0 | 1,979,668 | 0 | 1,979,668 | 6.7 | % | ||||||||||||||||||||
AM LLC | 77,060 | 77,060 | 0 | 77,060 | 0 | 77,060 | 0.3 | % | ||||||||||||||||||||
MPM Capital | 37,117 | 37,117 | 0 | 37,117 | 0 | 37,117 | 0.1 | % | ||||||||||||||||||||
BV V GP(2) | 0 | 0 | 1,979,668 | 0 | 1,979,668 | 1,979,668 | 6.7 | % | ||||||||||||||||||||
BV V LLC(3) | 0 | 0 | 2,056,728 | 0 | 2,056,728 | 2,056,728 | 7.0 | % | ||||||||||||||||||||
Med Portfolio(4) | 0 | 0 | 37,117 | 0 | 37,117 | 37,117 | 0.1 | % | ||||||||||||||||||||
Ansbert Gadicke(5) | 0 | 0 | 2,093,845 | 0 | 2,093,845 | 2,093,845 | 7.1 | % | ||||||||||||||||||||
Luke Evnin(5) | 38,386 | 38,386 | 2,093,845 | 38,386 | 2,093,845 | 2,132,231 | 7.2 | % | ||||||||||||||||||||
Todd Foley(6) | 0 | 0 | 2,056,728 | 0 | 2,056,728 | 2,056,728 | 7.0 | % | ||||||||||||||||||||
James Paul Scopa(6) | 22,767 | 22,767 | 2,056,728 | 22,767 | 2,056,728 | 2,079,495 | 7.1 | % | ||||||||||||||||||||
Vaughn Kailian(6)(7) | 17,937 | 17,937 | 2,056,728 | 17,937 | 2,056,728 | 2,074,665 | 7.0 | % | ||||||||||||||||||||
| (1) | This percentage is calculated based upon 29,477,246 shares of the Issuer’s common stock outstanding on March 10, 2014, as disclosed in the Issuer’s Annual Report on Form 10-K, filed with the Commission on March 26, 2014. |
| (2) | Includes securities held by BV V. BV V GP and BV V LLC are the direct and indirect general partners of BV V. |
| (3) | Includes securities held by BV V and AM LLC. BV V GP and BV V LLC are the direct and indirect general partners of BV V and BV V LLC is the manager of AM LLC. |
| (4) | Securities held by MPM Capital, of which the Reporting Person is the managing member. |
| (5) | Includes securities held by BV V, AM LLC and MPM Capital. Med Portfolio is the managing member of MPM Capital. The Reporting Person is a member of BV V LLC and Med Portfolio. |
| (6) | Includes securities held by BV V and AM LLC. The Reporting Person is a member of BV V LLC. |
| (7) | 2,627 of the shares are held by The Vaughn and Patricia Kailian Revocable Trust u/a/dtd 12/18/1992, of which the Reporting Person is trustee. |
Page 13
(c) On April 8, 2014, BV V and AM LLC sold the following shares of Common Stock in the open market, which are the only transactions by the Reporting Persons involving the Issuer’s securities since the filing of Amendment No. 1 to the Schedule 13D on March 13, 2014:
Date of Sale | Sold By | Shares Sold | Price Per Share | |||
4/8/14 | BV V | 668,306 | $13.70 | |||
4/8/14 | AM LLC | 26,014 | $13.70 |
| (d) | Inapplicable. |
| (e) | Inapplicable. |
| Item 7. | Material to Be Filed as Exhibits |
| A. | Agreement regarding filing of joint Schedule 13D. |
Page 14
Signatures
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.
Date: April 9, 2014
MPM BIOVENTURES V GP LLC | ||||
| By: | MPM BioVentures V LLC, its Managing Member | |||
| By: | /s/ Ansbert Gadicke | |||
| Name: | Ansbert Gadicke | |||
| Title: | Member | |||
| MPM BIOVENTURES V LLC | ||||
| By: | /s/ Ansbert Gadicke | |||
| Name: | Ansbert Gadicke | |||
| Title: | Member | |||
| MPM BIOVENTURES V, L.P. | ||||
| By: | MPM BioVentures V GP LLC, its General Partner | |||
| By: | MPM BioVentures V LLC, its Managing Member | |||
By: | /s/ Ansbert Gadicke | |||
| Name: | Ansbert Gadicke | |||
| Title: | Member | |||
| MPM ASSET MANAGEMENT INVESTORS BV5 LLC | ||||
| By: | MPM BioVentures V LLC | |||
| Its: Manager | ||||
| By: | /s/ Ansbert Gadicke | |||
| Name: | Ansbert Gadicke | |||
| Title: | Member | |||
| MPM CAPITAL LLC | ||||
| By: | Medical Portfolio Management LLC, its Managing Member | |||
| By: | /s/ Ansbert Gadicke | |||
| Name: | Ansbert Gadicke | |||
| Title: | Member | |||
Page 15
MEDICAL PORTFOLIO MANAGEMENT LLC | ||||
| By: | /s/ Ansbert Gadicke | |||
| Name: | Ansbert Gadicke | |||
| Title: | Member | |||
| By: | /s/ Ansbert Gadicke | |||
| Name: | Ansbert Gadicke | |||
| By: | /s/ Luke Evnin | |||
| Name: | Luke Evnin | |||
| By: | /s/ Todd Foley | |||
| Name: | Todd Foley | |||
| By: | /s/ James Paul Scopa | |||
| Name: | James Paul Scopa | |||
| By: | /s/ Vaughn M. Kailian | |||
| Name: | Vaughn M. Kailian | |||
Page 16
Schedule I
General Partners/Members
Ansbert Gadicke
c/o MPM Asset Management
The John Hancock Tower
200 Clarendon Street, 54th Floor
Boston, MA 02116
Principal Occupation: Member of the managing member of the general partner of MPM BioVentures V, L.P. and member of the manager of MPM Asset Management Investors BV5 LLC.
Citizenship: USA
Luke Evnin
c/o MPM Asset Management
The John Hancock Tower
200 Clarendon Street, 54th Floor
Boston, MA 02116
Principal Occupation: Member of the managing member of the general partner of MPM BioVentures V, L.P. and member of the manager of MPM Asset Management Investors BV5 LLC.
Citizenship: USA
Todd Foley
c/o MPM Asset Management
The John Hancock Tower
200 Clarendon Street, 54th Floor
Boston, MA 02116
Principal Occupation: Member of the managing member of the general partner of MPM BioVentures V, L.P. and member of the manager of MPM Asset Management Investors BV5 LLC.
Citizenship: USA
James Paul Scopa
c/o MPM Asset Management
601 Gateway Blvd. Suite 350
S. San Francisco, CA 94080
Principal Occupation: Member of the managing member of the general partner of MPM BioVentures V, L.P. and member of the manager of MPM Asset Management Investors BV5 LLC.
Citizenship: USA
Vaughn M. Kailian
c/o MPM Asset Management
The John Hancock Tower
200 Clarendon Street, 54th Floor
Boston, MA 02116
Principal Occupation: Member of the managing member of the general partner of MPM BioVentures V, L.P. and member of the manager of MPM Asset Management Investors BV5 LLC.
Citizenship: USA
Page 17
Exhibit Index
| A. | Agreement regarding filing of joint Schedule 13D. |
Page 18
