SC 13G/A

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

 

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)*

 

 

Macrogenics, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

556099 10 9

(CUSIP Number)

December 31, 2014

(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)

 

* 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 the disclosures provided in a prior cover page.

The information required in 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).

 

 

 


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM BioVentures II, L.P.

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

PN

 

 

Page 2 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM BioVentures II-QP, L.P.

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

PN

 

 

Page 3 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

Germany

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

0

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

PN

 

 

Page 4 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM Asset Management Investors 2000B LLC

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

OO

 

 

Page 5 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM BioVentures IV Strategic Fund, L.P.

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

OO

 

 

Page 6 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM Asset Management II, L.P.

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

PN

 

 

Page 7 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM Asset Management II LLC

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

OO

 

 

Page 8 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM BioVentures IV GP LLC

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

OO

 

 

Page 9 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

MPM BioVentures IV LLC

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  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

 

0

     7.    

Sole Dispositive Power

 

0

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

OO

 

 

Page 10 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

Ansbert Gadicke

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

5,359*

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

5,359*

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

5,359*

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

* 1,021 of the shares are held by the Gadicke Revocable Trust, of which the reporting person is trustee.

 

Page 11 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

Luke Evnin

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

14,836*

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

14,836*

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

14,836*

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.1%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

* 2,752 of the shares are held by The Evnin/Wright 2000 Children’s Trust, of which the reporting person is trustee.

 

Page 12 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

Nicholas Galakatos

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

2,247*

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

2,247*

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

2,247*

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

* 674 of the shares are held by AAG Peakham LLC, of which the reporting person is a member.

 

Page 13 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

Michael Steinmetz

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

2,042

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

2,042

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

2,042

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

 

Page 14 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

Kurt Wheeler

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

1,021

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

1,021

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

1,021

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

 

Page 15 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

Todd Foley

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

615

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

615

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

615

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

 

Page 16 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

Vaughn Kalian

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

2,436

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

2,436

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

2,436

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

 

Page 17 of 27


CUSIP No. 556099 10 9  

 

  1.   

Name of Reporting Persons

 

James Paul Scopa

  2.  

Check the Appropriate Box if a Member of a Group (See Instructions)

 

(a)  ¨        (b)  x

  3.  

SEC USE ONLY

 

  4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

     5.    

Sole Voting Power

 

1,964

     6.    

Shared Voting Power

 

0

     7.    

Sole Dispositive Power

 

1,964

     8.    

Shared Dispositive Power

 

0

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

1,964

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

 

¨

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

IN

 

 

Page 18 of 27


CUSIP No. 556099 10 9

Item 1.

 

  (a) Name of Issuer

Macrogenics, Inc.

 

  (b) Address of Issuer’s Principal Executive Offices

9640 Medical Center Drive

Rockville, MD 20850

Item 2.

 

  (a) Name of Person Filing

MPM BioVentures II, LP

MPM BioVentures II-QP, L.P.

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

MPM Asset Management Investors 2000B LLC

MPM BioVentures IV Strategic Fund, L.P.

MPM Asset Management II, L.P.

MPM Asset Management II LLC

MPM BioVentures IV GP LLC

MPM BioVentures IV LLC

Ansbert Gadicke

Luke Evnin

Nicholas Galakatos

Michael Steinmetz

Kurt Wheeler

Todd Foley

Vaughn Kailian

James Paul Scopa

 

  (b) Address of Principal Business Office or, if none, Residence

c/o MPM Capital LLC

The John Hancock Tower

200 Clarendon Street, 54th Floor

Boston, MA 02116

 

  (c) Citizenship

All entities were organized in Delaware except MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG, which was organized in Germany. The individuals are all United States citizens.

 

  (d) Title of Class of Securities

Common Stock

 

  (e) CUSIP Number

556099 10 9

 

Item 3. If this statement is filed pursuant to §§240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:

Not applicable

 

Page 19 of 27


Item 4. Ownership

 

  (a) Amount Beneficially Owned:

 

MPM BioVentures II, L.P.

   0

MPM BioVentures II-QP, L.P.

   0

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

   0

MPM Asset Management Investors 2000B LLC

   0

MPM BioVentures IV Strategic Fund, L.P.

   0

MPM Asset Management II, L.P.

   0

MPM Asset Management II LLC

   0

MPM BioVentures IV GP LLC

   0

MPM BioVentures IV LLC

   0

Ansbert Gadicke

   5,359(1)(2)

Luke B. Evnin

   14,836(1)(3)

Nicholas Galakatos

   2,247(1)(4)

Michael Steinmetz

   2,042(1)

Kurt Wheeler

   1,021(1)

Todd Foley

   615(1)

Vaughn Kalian

   2,436(1)

James Paul Scopa

   1,964(1)

Percent of Class:

 

MPM BioVentures II, L.P.

   0.0%

MPM BioVentures II-QP, L.P.

   0.0%

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

   0.0%

MPM Asset Management Investors 2000B LLC

   0.0%

MPM BioVentures IV Strategic Fund, L.P.

   0.0%

MPM Asset Management II, L.P.

   0.0%

MPM Asset Management II LLC

   0.0%

MPM BioVentures IV GP LLC

   0.0%

MPM BioVentures IV LLC

   0.0%

Ansbert Gadicke

   0.0%

Luke B. Evnin

   0.1%

Nicholas Galakatos

   0.0%

Michael Steinmetz

   0.0%

Kurt Wheeler

   0.0%

Todd Foley

   0.0%

Vaughn Kalian

   0.0%

James Paul Scopa    

   0.0%

 

Page 20 of 27


  (b) Number of shares as to which the person has:

 

  (i) Sole power to vote or to direct the vote

 

MPM BioVentures II, L.P.

   0

MPM BioVentures II-QP, L.P.

   0

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

   0

MPM Asset Management Investors 2000B LLC

   0

MPM BioVentures IV Strategic Fund, L.P.

   0

MPM Asset Management II, L.P.

   0

MPM Asset Management II LLC

   0

MPM BioVentures IV GP LLC

   0

MPM BioVentures IV LLC

   0

Ansbert Gadicke

   5,359(1)(2)

Luke B. Evnin

   14,836(1)(3)

Nicholas Galakatos

   2,247(1)(4)

Michael Steinmetz

   2,042(1)

Kurt Wheeler

   1,021(1)

Todd Foley

   615(1)

Vaughn Kalian

   2,436(1)

James Paul Scopa

   1,964(1)

 

  (ii) Shared power to vote or to direct the vote

 

MPM BioVentures II, L.P.

   0

MPM BioVentures II-QP, L.P.

   0

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

   0

MPM Asset Management Investors 2000B LLC

   0

MPM BioVentures IV Strategic Fund, L.P.

   0

MPM Asset Management II, L.P.

   0

MPM Asset Management II LLC

   0

MPM BioVentures IV GP LLC

   0

MPM BioVentures IV LLC

   0

Ansbert Gadicke

   0

Luke B. Evnin

   0

Nicholas Galakatos

   0

Michael Steinmetz

   0

Kurt Wheeler

   0

Todd Foley

   0

Vaughn Kalian

   0

James Paul Scopa

   0

 

Page 21 of 27


  (iii) Sole power to dispose or to direct the disposition of

 

MPM BioVentures II, LP

   0

MPM BioVentures II-QP, L.P.

   0

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

   0

MPM Asset Management Investors 2000B LLC

   0

MPM BioVentures IV Strategic Fund, L.P.

   0

MPM Asset Management II, L.P.

   0

MPM Asset Management II LLC

   0

MPM BioVentures IV GP LLC

   0

MPM BioVentures IV LLC

   0

Ansbert Gadicke

   5,359(1)(2)

Luke Evnin

   14,836(1)(3)

Nicholas Galakatos

   2,247(1)(4)

Michael Steinmetz

   2,042(1)

Kurt Wheeler

   1,021(1)

Todd Foley

   615(1)

Vaughn Kalian

   2,436(1)

James Paul Scopa

   1,964(1)

 

  (iv) Shared power to dispose or to direct the disposition of

 

MPM BioVentures II, LP

     0   

MPM BioVentures II-QP, L.P.

     0   

MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG

     0   

MPM Asset Management Investors 2000B BVII LLC

     0   

MPM BioVentures IV Strategic Fund, L.P.

     0   

MPM Asset Management II, L.P.

     0   

MPM Asset Management II LLC

     0   

MPM BioVentures IV GP LLC

     0   

MPM BioVentures IV LLC

     0   

Ansbert Gadicke

     0   

Luke B. Evnin

     0   

Nicholas Galakatos

     0   

Michael Steinmetz

     0   

Kurt Wheeler

     0   

Todd Foley

     0   

Vaughn Kalian

     0   

James Paul Scopa

     0   

 

(1) Shares received in a pro rata distribution by the funds on April 7, 2014 that may have been subsequently sold.
(2) 1,021 of the shares are held by the Gadicke Revocable Trust, of which the reporting person is trustee.
(3) 2,752 of the shares are held by The Evnin/Wright 2000 Children’s Trust, of which the reporting person is trustee.
(4) 674 of the shares are held by AAG Peakham LLC, of which the reporting person is a member.

 

Item 5. Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   x.

 

Item 6. Ownership of More than Five Percent on Behalf of Another Person

Not Applicable

 

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Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Not Applicable

 

Item 8. Identification and Classification of Members of the Group

Not Applicable

 

Item 9. Notice of Dissolution of a Group

Not Applicable

 

Item 10. Certification

Not Applicable

 

Page 23 of 27


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 4, 2015

 

MPM BIOVENTURES II, L.P.     MPM BIOVENTURES II-QP, L.P.
By:   MPM Asset Management II, L.P.,     By:   MPM Asset Management II, L.P.,
  its General Partner       its General Partner
By:   MPM Asset Management II LLC,     By:   MPM Asset Management II LLC,
  its General Partner       its General Partner
By:  

/s/ Luke Evnin

    By:  

/s/ Luke Evnin

  Name: Luke Evnin       Name: Luke Evnin
  Title: Investment Manager       Title: Investment Manager
MPM BIOVENTURES GMBH & CO. PARALLEL-     MPM ASSET MANAGEMENT INVESTORS 2000B LLC
BETEILIGUNGS KG      
By:   MPM Asset Management II LP, in its capacity as the      
Special Limited Partner     By:  

/s/ Luke Evnin

        Name: Luke Evnin
By:   MPM Asset Management II LLC, its General Partner       Title: Investment Manager
By:  

/s/ Luke Evnin

     
  Name: Luke Evnin      
  Title: Investment Manager      
MPM BIOVENTURES IV STRATEGIC FUND, L.P.      
By:   MPM BioVentures IV GP LLC,      
  its General Partner      
By:   MPM BioVentures IV LLC,      
  its Managing Member      
By:  

/s/ Luke Evnin

     
  Name: Luke Evnin      
  Title: Member      
MPM ASSET MANAGEMENT II L.P.     MPM ASSET MANAGEMENT II LLC
By:   MPM Asset Management II LLC, its General Partner      
By:  

/s/ Luke Evnin

    By:  

/s/ Luke Evnin

  Name: Luke Evnin       Name: Luke Evnin
  Title: Investment Manager       Title: Investment Manager

 

Page 24 of 27


MPM BIOVENTURES IV GP LLC     MPM BIOVENTURES IV LLC
By:   MPM BioVentures IV LLC,     By:  

/s/ Luke Evnin

  its Managing Member     Name:   Luke Evnin
      Title:   Member
By:  

/s/ Luke Evnin

     
Name:   Luke Evnin      
Title:   Member      
    /s/ Ansbert Gadicke         /s/ Luke Evnin
  Ansbert Gadicke       Luke Evnin
    /s/ Nicholas Galakatos         /s/ Michael Steinmetz
  Nicholas Galakatos       Michael Steinmetz
    /s/ Kurt Wheeler         /s/ Todd Foley
  Kurt Wheeler       Todd Foley
    /s/ James Paul Scopa         /s/ Vaughn M. Kailian
  James Paul Scopa       Vaughn M. Kailian

EXHIBITS

 

A: Joint Filing Agreement

 

Page 25 of 27