UNITED STATES

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

 

Verastem, Inc.

 (Name of Issuer)

Common Stock, $0.0001 par value

 (Title of Class of Securities)

92337C104

 (CUSIP Number)

January 16, 2018

 (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)

     Rule 13d-1(d)

 

 

 

1              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).

 

CUSIP NO. 92337C104

 

  1   NAME OF REPORTING PERSON  
         
        Biotechnology Value Fund, L.P.  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒
        (b) ☐
           
  3   SEC USE ONLY    
           
             
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        Delaware  
NUMBER OF   5   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         0 shares  
OWNED BY   6   SHARED VOTING POWER  
EACH          
REPORTING         1,293,127  
PERSON WITH   7   SOLE DISPOSITIVE POWER  
         
          0 shares  
    8   SHARED DISPOSITIVE POWER  
           
          1,293,127  
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        1,293,127  
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES     ☐
       
           
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
         
        2.7%  
  12   TYPE OF REPORTING PERSON  
         
        PN  

  

2

CUSIP NO. 92337C104

  1   NAME OF REPORTING PERSON  
         
        Biotechnology Value Fund II, L.P.  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒
        (b) ☐
           
  3   SEC USE ONLY    
           
             
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        Delaware  
NUMBER OF   5   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         0 shares  
OWNED BY   6   SHARED VOTING POWER  
EACH          
REPORTING         863,522  
PERSON WITH   7   SOLE DISPOSITIVE POWER  
         
          0 shares  
    8   SHARED DISPOSITIVE POWER  
           
          863,522  
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        863,522  
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES     ☐
       
           
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
         
        1.8%  
  12   TYPE OF REPORTING PERSON  
         
        PN  

  

3

CUSIP NO. 92337C104

 

  1   NAME OF REPORTING PERSON  
         
        Biotechnology Value Trading Fund OS LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒
        (b) ☐
           
  3   SEC USE ONLY    
           
             
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        Cayman Islands  
NUMBER OF   5   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         0 shares  
OWNED BY   6   SHARED VOTING POWER  
EACH          
REPORTING         221,646  
PERSON WITH   7   SOLE DISPOSITIVE POWER  
         
          0 shares  
    8   SHARED DISPOSITIVE POWER  
           
          221,646  
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        221,646  
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES     ☐
       
           
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
         
        Less than 1%  
  12   TYPE OF REPORTING PERSON  
         
        PN  

  

4

CUSIP NO. 92337C104

 

  1   NAME OF REPORTING PERSON  
         
        BVF Partners OS Ltd.  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒
        (b) ☐
           
  3   SEC USE ONLY    
           
             
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        Cayman Islands  
NUMBER OF   5   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         0 shares  
OWNED BY   6   SHARED VOTING POWER  
EACH          
REPORTING         221,646  
PERSON WITH   7   SOLE DISPOSITIVE POWER  
         
          0 shares  
    8   SHARED DISPOSITIVE POWER  
           
          221,646  
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        221,646  
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES     ☐
       
           
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
         
        Less than 1%  
  12   TYPE OF REPORTING PERSON  
         
        CO  

  

5

CUSIP NO. 92337C104

 

  1   NAME OF REPORTING PERSON  
         
        BVF Partners L.P.  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒
        (b) ☐
           
  3   SEC USE ONLY    
           
             
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        Delaware  
NUMBER OF   5   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         0 shares  
OWNED BY   6   SHARED VOTING POWER  
EACH          
REPORTING         2,737,000  
PERSON WITH   7   SOLE DISPOSITIVE POWER  
         
          0 shares  
    8   SHARED DISPOSITIVE POWER  
           
          2,737,000  
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        2,737,000  
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES     ☐
       
           
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
         
        5.7%  
  12   TYPE OF REPORTING PERSON  
         
        PN, IA  

  

6

CUSIP NO. 92337C104

 

  1   NAME OF REPORTING PERSON  
         
        BVF Inc.  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒
        (b) ☐
           
  3   SEC USE ONLY    
           
             
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        Delaware  
NUMBER OF   5   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         0 shares  
OWNED BY   6   SHARED VOTING POWER  
EACH          
REPORTING         2,737,000  
PERSON WITH   7   SOLE DISPOSITIVE POWER  
         
          0 shares  
    8   SHARED DISPOSITIVE POWER  
           
          2,737,000  
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        2,737,000  
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES     ☐
       
           
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
         
        5.7%  
  12   TYPE OF REPORTING PERSON  
         
        CO  

  

7

CUSIP NO. 92337C104

 

  1   NAME OF REPORTING PERSON  
         
        Mark N. Lampert  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒
        (b) ☐
           
  3   SEC USE ONLY    
           
             
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        United States  
NUMBER OF   5   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         0 shares  
OWNED BY   6   SHARED VOTING POWER  
EACH          
REPORTING         2,737,000  
PERSON WITH   7   SOLE DISPOSITIVE POWER  
         
          0 shares  
    8   SHARED DISPOSITIVE POWER  
           
          2,737,000  
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        2,737,000  
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES     ☐
       
           
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
         
        5.7%  
  12   TYPE OF REPORTING PERSON  
         
        IN  

  

8

CUSIP NO. 92337C104

Item 1(a).Name of Issuer:

 

Verastem, Inc., a Delaware corporation (the “Issuer”).

 

Item 1(b).Address of Issuer's Principal Executive Offices:

 

117 Kendrick Street, Suite 500

Needham, MA 02494

 

Item 2(a).Name of Person Filing
Item 2(b).Address of Principal Business Office or, if None, Residence
Item 2(c).Citizenship

 

Biotechnology Value Fund, L.P. (“BVF”)

1 Sansome Street, 30th Floor

San Francisco, California 94104

Citizenship: Delaware

 

Biotechnology Value Fund II, L.P. (“BVF2”)

1 Sansome Street, 30th Floor

San Francisco, California 94104

Citizenship: Delaware

 

Biotechnology Value Trading Fund OS LP (“Trading Fund OS”)

PO Box 309 Ugland House

Grand Cayman, KY1-1104

Cayman Islands

Citizenship: Cayman Islands

 

BVF Partners OS Ltd. (“Partners OS”)

PO Box 309 Ugland House

Grand Cayman, KY1-1104

Cayman Islands

Citizenship: Cayman Islands

 

BVF Partners L.P. (“Partners”)

1 Sansome Street, 30th Floor

San Francisco, California 94104

Citizenship: Delaware

 

BVF Inc.

1 Sansome Street, 30th Floor

San Francisco, California 94104

Citizenship: Delaware

 

Mark N. Lampert (“Mr. Lampert”)

1 Sansome Street, 30th Floor

San Francisco, California 94104

Citizenship: United States

 

Each of the foregoing is referred to as a “Reporting Person” and collectively as the “Reporting Persons.”

9

CUSIP NO. 92337C104

 

Item 2(d).Title of Class of Securities:

 

Common Stock, $0.0001 par value (the “Common Stock”)

 

Item 2(e).CUSIP Number:

 

92337C104

 

Item 3.If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:

 

  /x/ Not applicable.
     
(a) / / Broker or dealer registered under Section 15 of the Exchange Act.
     
(b) / / Bank as defined in Section 3(a)(6) of the Exchange Act.
     
(c) / / Insurance company as defined in Section 3(a)(19) of the Exchange Act.
     
(d) / / Investment company registered under Section 8 of the Investment Company Act.
     
(e) / / An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).
     
(f) / / An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F).
     
(g) / / A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G).
     
(h) / / A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act.
     
(i) / / A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act.
     
(j) / / Group, in accordance with Rule 13d-1(b)(1)(ii)(J).  
     
(k) / / Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____
     
Item 4.Ownership

 

(a)Amount beneficially owned:

 

As of the close of business on January 26, 2018 (i) BVF beneficially owned 1,293,127 shares of Common Stock, (ii) BVF2 beneficially owned 863,522 shares of Common Stock, and (iii) Trading Fund OS beneficially owned 221,646 shares of Common Stock.

 

Partners OS, as the general partner of Trading Fund OS, may be deemed to beneficially own the 221,646 shares of Common Stock beneficially owned by Trading Fund OS.

10

CUSIP NO. 92337C104

 

Partners, as the general partner of BVF, BVF2, the investment manager of Trading Fund OS, and the sole member of Partners OS, may be deemed to beneficially own the 2,737,000 shares of Common Stock beneficially owned in the aggregate by BVF, BVF2, Trading Fund OS, and certain Partners managed accounts (the “Partners Managed Accounts”), including 358,705 shares of Common Stock held in the Partners Managed Accounts.

 

BVF Inc., as the general partner of Partners, may be deemed to beneficially own the 2,737,000 shares of Common Stock beneficially owned by Partners.

 

Mr. Lampert, as a director and officer of BVF Inc., may be deemed to beneficially own the 2,737,000 shares of Common Stock beneficially owned by BVF Inc.

 

The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of any shares of Common Stock owned by another Reporting Person. Partners OS disclaims beneficial ownership of the shares of Common Stock beneficially owned by Trading Fund OS. Each of Partners, BVF Inc. and Mr. Lampert disclaims beneficial ownership of the shares of Common Stock beneficially owned by BVF, BVF2, Trading Fund OS, and the Partners Managed Accounts, and the filing of this statement shall not be construed as an admission that any such person or entity is the beneficial owner of any such securities.

 

(b)Percent of class:

 

The following percentages are based on 48,367,905 shares of Common Stock outstanding, which is the total number of shares of Common Stock outstanding as reported in the Issuer’s Prospectus Supplement filed with the Securities and Exchange Commission on December 18, 2017.

 

As of the close of business on January 26, 2018 (i) BVF beneficially owned approximately 2.7% of the outstanding shares of Common Stock, (ii) BVF2 beneficially owned approximately 1.8% of the outstanding shares of Common Stock, (iii) Trading Fund OS beneficially owned less than 1% of the outstanding shares of Common Stock (iv) Partners OS may be deemed to beneficially own less than 1% of the outstanding shares of Common Stock, and (v) each of Partners, BVF Inc. and Mr. Lampert may be deemed to beneficially own approximately 5.7% of the outstanding shares of Common Stock (less than 1% of the outstanding shares of Common Stock are held in the Partners Managed Accounts).

 

(c)Number of shares as to which such person has:

 

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

 

See Cover Pages Items 5-9.

 

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

 

See Cover Pages Items 5-9.

 

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

 

See Cover Pages Items 5-9.

 

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

 

See Cover Pages Items 5-9.

11

CUSIP NO. 92337C104

 

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

 

Not Applicable.

 

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

 

Partners, BVF Inc. and Mr. Lampert share voting and dispositive power over the shares of Common Stock beneficially owned by BVF, BVF2, Trading Fund OS, and the Partners Managed Accounts.

 

Item 7.Identification and Classification of the Subsidiary That 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.

 

See Exhibit 99.1.

 

Item 9.Notice of Dissolution of Group.

 

Not Applicable.

 

Item 10.Certifications.

 

By signing below each of the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

 

12

CUSIP NO. 92337C104

SIGNATURE

 

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

 

Dated: January 26, 2018

 

BIOTECHNOLOGY VALUE FUND, L.P.   BVF INC.
     
By: BVF Partners L.P., its general partner     /s/ Mark N. Lampert
By: BVF Inc., its general partner   By: Mark N. Lampert
        President
By:

/s/ Mark N. Lampert

     
  Mark N. Lampert      
  President   /s/ Mark N. Lampert
      MARK N. LAMPERT
         
BIOTECHNOLOGY VALUE FUND II, L.P.    
         
By: BVF Partners L.P., its general partner      
By: BVF Inc., its general partner      
         
By:

/s/ Mark N. Lampert

     
  Mark N. Lampert      
  President      
         
       
BVF PARTNERS L.P.      
         
By: BVF Inc., its general partner      
         
By:

/s/ Mark N. Lampert

     
  Mark N. Lampert      
  President      
   
   
BVF PARTNERS OS LTD.  
     
By: BVF Partners L.P., its sole member  
By: BVF Inc., its general partner  
     
By:

/s/ Mark N. Lampert

 
  Mark N. Lampert  
  President  
     
     
Biotechnology Value Trading Fund OS LP  
     
By: BVF Partners L.P., its investment manager  
By: BVF Inc., its general partner  
     
By:

/s/ Mark N. Lampert

 
  Mark N. Lampert  
  President  

 

13

Exhibit 99.1

Joint Filing Agreement

 

The undersigned hereby agree that the Statement on Schedule 13G dated January 26, 2018 with respect to the shares of Common Stock of Verastem, Inc., and any further amendments thereto executed by each and any of the undersigned shall be filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.

  

Dated: January 26, 2018

 

BIOTECHNOLOGY VALUE FUND, L.P.   BVF INC.
     
By: BVF Partners L.P., its general partner     /s/ Mark N. Lampert
By: BVF Inc., its general partner   By: Mark N. Lampert
        President
By:

/s/ Mark N. Lampert

     
  Mark N. Lampert      
  President   /s/ Mark N. Lampert
      MARK N. LAMPERT
         
BIOTECHNOLOGY VALUE FUND II, L.P.    
         
By: BVF Partners L.P., its general partner      
By: BVF Inc., its general partner      
         
By:

/s/ Mark N. Lampert

     
  Mark N. Lampert      
  President      
         
       
BVF PARTNERS L.P.      
         
By: BVF Inc., its general partner      
         
By:

/s/ Mark N. Lampert

     
  Mark N. Lampert      
  President      
   
   
BVF PARTNERS OS LTD.  
     
By: BVF Partners L.P., its sole member  
By: BVF Inc., its general partner  
     
By:

/s/ Mark N. Lampert

 
  Mark N. Lampert  
  President  
     
     
Biotechnology Value Trading Fund OS LP  
     
By: BVF Partners L.P., its investment manager  
By: BVF Inc., its general partner  
     
By:

/s/ Mark N. Lampert

 
  Mark N. Lampert  
  President