Sec Form 13G Filing - THIRD ROCK VENTURES LP filing for RHYTHM PHARMACEUTICALS INC. (RYTM) - 2020-02-05

Insider filing report for Changes in Beneficial Ownership

  • Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
  • Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)*

 

 

Rhythm Pharmaceuticals, Inc.

(Name of Issuer)

 

 

COMMON STOCK, $0.001 PAR VALUE PER SHARE

(Title of Class of Securities)

76243J105

(CUSIP Number)

December 31, 2019

(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)

 

*

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. 76243J105    SCHEDULE 13G    Page 2 of 11 Pages

 

  1.    

  NAMES OF REPORTING PERSONS

 

  Third Rock Ventures, 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

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 BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  ☐

 

11.  

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

  0.0%

12.  

  TYPE OF REPORTING PERSON

 

  PN


CUSIP No. 76243J105    SCHEDULE 13G    Page 3 of 11 Pages

 

  1.    

  NAMES OF REPORTING PERSONS

 

  Third Rock Ventures GP, 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

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 BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  ☐

 

11.  

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

  0.0%

12.  

  TYPE OF REPORTING PERSON

 

  PN


CUSIP No. 76243J105    SCHEDULE 13G    Page 4 of 11 Pages

 

  1.    

  NAMES OF REPORTING PERSONS

 

  TRV G P, LLC

  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

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 BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  ☐

 

11.  

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

  0.0%

12.  

  TYPE OF REPORTING PERSON

 

  OO


CUSIP No. 76243J105    SCHEDULE 13G    Page 5 of 11 Pages

 

  1.    

  NAMES OF REPORTING PERSONS

 

  Mark Levin

  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

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

   5.     

  SOLE VOTING POWER

 

  223,527

   6.   

  SHARED VOTING POWER

 

  0

   7.   

  SOLE DISPOSITIVE POWER

 

  223,527

   8.   

  SHARED DISPOSITIVE POWER

 

  0

  9.    

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

  223,527

10.  

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  ☐

 

11.  

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

  0.5% (1)

12.  

  TYPE OF REPORTING PERSON

 

  IN

 

(1)

The percent of class was calculated based on 43,926,406 shares of common stock issued and outstanding as of October 31, 2019, as disclosed in the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 1, 2019.


CUSIP No. 76243J105    SCHEDULE 13G    Page 6 of 11 Pages

 

  1.    

  NAMES OF REPORTING PERSONS

 

  Kevin Starr

  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

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

   5.     

  SOLE VOTING POWER

 

  323,526

   6.   

  SHARED VOTING POWER

 

  0

   7.   

  SOLE DISPOSITIVE POWER

 

  323,526

   8.   

  SHARED DISPOSITIVE POWER

 

  0

  9.    

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

  323,526

10.  

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  ☐

 

11.  

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

  0.7% (1)

12.  

  TYPE OF REPORTING PERSON

 

  IN

 

(1)

The percent of class was calculated based on 43,926,406 shares of common stock issued and outstanding as of October 31, 2019, as disclosed in the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 1, 2019.


CUSIP No. 76243J105    SCHEDULE 13G    Page 7 of 11 Pages

 

  1.    

  NAMES OF REPORTING PERSONS

 

  Robert I. Tepper

  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

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

   5.     

  SOLE VOTING POWER

 

  210,247

   6.   

  SHARED VOTING POWER

 

  0

   7.   

  SOLE DISPOSITIVE POWER

 

  210,247

   8.   

  SHARED DISPOSITIVE POWER

 

  0

  9.    

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

  210,247

10.  

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  ☐

 

11.  

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

  0.5% (1)

12.  

  TYPE OF REPORTING PERSON

 

  IN

 

(1)

The percent of class was calculated based on 43,926,406 shares of common stock issued and outstanding as of October 31, 2019, as disclosed in the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 1, 2019.


CUSIP No. 76243J105    SCHEDULE 13G    Page 8 of 11 Pages

 

Item 1.

     

Issuer

  

(a)

  

Name of Issuer:

     

Rhythm Pharmaceuticals, Inc. (the “Issuer”)

  

(b)

  

Address of Issuer’s Principal Executive Offices:

     

500 Boylston Street

11th Floor

Boston, MA 02116

Item 2.

     

Filing Person

  

(a) – (c)

  

Name of Persons Filing; Address; Citizenship:

     

(i) Third Rock Ventures, L.P. (“TRV”);

 

(ii)  Third Rock Ventures GP, L.P. (“TRV GP”), which is the sole general partner of TRV;

 

(iii)  TRV GP, LLC (“TRV GP LLC”), which is the sole general partner of TRV GP;

 

(iv) Mark Levin (“Levin”), a managing member of TRV GP LLC;

 

(v)   Kevin P. Starr (“Starr”), a managing member of TRV GP LLC; and

 

(vi) Robert I. Tepper (“Tepper,” and collectively with Levin and Starr, the “Reporting Persons”), a managing member of TRV GP LLC.

 

The address of the principal business office of each of the Reporting Persons is Third Rock Ventures, LLC, 29 Newbury Street, 3rd Floor, Boston, MA 02116.

 

Each of TRV and TRV GP is a Delaware limited partnership. TRV GP LLC is a Delaware limited liability company. Levin, Tepper and Starr are United States citizens.

  

(d)

  

Title of Class of Securities:

     

Common stock, $0.001 par value per share, (the “Common Stock”)

  

(e)

  

CUSIP Number:

 

76243J105

Item 3.

  

If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

  

(a)

  

  

Broker or dealer registered under Section 15 of the Act;

  

(b)

  

  

Bank as defined in Section 3(a)(6) of the Act;

  

(c)

  

  

Insurance company as defined in Section 3(a)(19) of the Act;

  

(d)

  

  

Investment company registered under Section 8 of the Investment Company Act of 1940;

  

(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 associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
  

(i)

  

   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940;


CUSIP No. 76243J105    SCHEDULE 13G    Page 9 of 11 Pages

 

  

(j)

  

  

A non-U.S. institution in accordance with Rule 240.13d-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:
      If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution:

 

Item 4.

   Ownership.
  

(a) and (b)

   Amount beneficially owned:
          (i)    TRV directly owns zero (0) shares of Common Stock.
          (ii)    TRV GP directly owns zero (0) shares of Common Stock.
          (iii)    TRV GP LLC directly owns zero (0) shares of Common Stock.
          (iv)    As of December 31, 2019, Levin directly owns 223,527 shares of Common Stock, which represents
approximately 0.5% of the outstanding shares of Common Stock.
          (v)    As of December 31, 2019, Starr directly owns 323,526 shares of Common Stock, which represents
approximately 0.7% of the outstanding shares of Common Stock.
          (vi)    As of December 31, 2019, Tepper directly owns 210,247 shares of Common Stock, which
represents approximately 0.5% of the outstanding shares of Common Stock.
     (c)    Number of shares as to which such person has:
     
          Number of Shares of Common Stock  
    

Reporting Person

           (i)                      (ii)                      (iii)                      (iv)          
  

Levin

     223,527        0        223,527        0  
  

Starr

     323,526        0        323,526        0  
  

Tepper

     210,247        0        210,247        0  
     

(i) Sole power to vote or direct the vote

 

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

 

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

 

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

   The percent of class was calculated based on 43,926,406 shares of common stock issued and outstanding as of October 31, 2019, as disclosed in the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 1, 2019.

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.

 

Not applicable.


CUSIP No. 76243J105    SCHEDULE 13G    Page 10 of 11 Pages

 

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 Group.
   Not applicable.   

Item 10.

   Certification.
   Not applicable.   


CUSIP No. 76243J105    SCHEDULE 13G    Page 11 of 11 Pages

 

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.

Date: February 5, 2020

 

THIRD ROCK VENTURES, L.P.
By:   THIRD ROCK VENTURES GP, L.P.,
General Partner
By:   TRV GP, LLC,
General Partner
By:  

/s/ Kevin Gillis

Kevin Gillis

Chief Operating Officer

THIRD ROCK VENTURES GP, L.P.
By:   TRV GP, LLC,
General Partner
By:  

/s/ Kevin Gillis

Kevin Gillis

Chief Operating Officer

TRV GP, LLC
By:  

/s/ Kevin Gillis

Kevin Gillis

Chief Operating Officer

MARK LEVIN

 

/s/ Kevin Gillis, As attorney-in-fact

Mark Levin

KEVIN P. STARR

 

/s/ Kevin Gillis, As attorney-in-fact

Kevin P. Starr

ROBERT I. TEPPER

 

/s/ Kevin Gillis, As attorney-in-fact

Robert I. Tepper


EXHIBIT 24

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints Kevin Gillis his true and lawful attorney-in-fact, with full power of substitution, to sign any and all instruments, certificates and documents that may be necessary, desirable or appropriate to be executed on behalf of himself as an individual or in his capacity as a direct or indirect general partner, director, officer, member or manager of any partnership, corporation or limited liability company, pursuant to section 13 or 16 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and any and all regulations promulgated thereunder, and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, and with any other entity when and if such is mandated by the Exchange Act or by the Financial Industry Regulatory Authority, granting unto said attorney-in-fact full power and authority to do and perform each and every act and thing necessary, desirable or appropriate, fully to all intents and purposes as he might or could do in person, thereby ratifying and confirming all that said attorney-in-fact, or his substitutes, may lawfully do or cause to be done by virtue hereof.

Each of the undersigned may execute this power of attorney in separate counterparts, and each counterpart shall be deemed to be an original instrument. This agreement shall be effective as to each of the undersigned as of the date signed by that signatory.

IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 16th day of January, 2014.

 

/s/ Mark Levin

Mark Levin

/s/ Kevin P. Starr

Kevin P. Starr

/s/ Robert I. Tepper

Robert I. Tepper


EXHIBIT 99.1

Joint Filing Agreement

The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him, her or it contained herein, but shall not be responsible for the completeness and accuracy of the information concerning the other entities or persons, except to the extent that he, she or it knows or has reason to believe that such information is inaccurate.

Dated: February 5, 2020

 

THIRD ROCK VENTURES, L.P.
By:   THIRD ROCK VENTURES GP, L.P.,
General Partner
By:   TRV GP, LLC,
General Partner
By:  

/s/ Kevin Gillis

Kevin Gillis

Chief Operating Officer

THIRD ROCK VENTURES GP, L.P.
By:   TRV GP, LLC,
General Partner
By:  

/s/ Kevin Gillis

Kevin Gillis

Chief Operating Officer

TRV GP, LLC
By:  

/s/ Kevin Gillis

Kevin Gillis

Chief Operating Officer

MARK LEVIN

 

/s/ Kevin Gillis, As attorney-in-fact

Mark Levin

KEVIN P. STARR

 

/s/ Kevin Gillis, As attorney-in-fact

Kevin P. Starr

ROBERT I. TEPPER

 

/s/ Kevin Gillis, As attorney-in-fact

Robert I. Tepper