UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

 

SCHEDULE 13G

 

Under the Securities Exchange Act of 1934
(Amendment No. _____)*

 

Aimmune Therapeutics, Inc.

(Name of Issuer)

 

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

 

00900T107

(CUSIP Number)

 

December 31, 2015

(Date of Event which Requires Filing of this Statement)

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o  Rule 13d-1(b)

o  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 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. 19459J104   13G   Page 2 of 9 Pages

 

1.   NAMES OF REPORTING PERSONS

Longitude Capital Partners II, LLC		    
2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see instructions)

(a)    o
(b)    o

    
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
 
7,434,630 (1)
  7.   SOLE DISPOSITIVE POWER
 
0
  8.   SHARED DISPOSITIVE POWER
 
7,434,630 (1)

 

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

7,434,630 (1)		    
10.  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see instructions)

 

o

    
11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

17.6% (2)		    
12.   TYPE OF REPORTING PERSON (see instructions)

OO		    
 

(1) Consists of (i) 3,873,530 shares of Common Stock issued upon conversion of Series A convertible preferred stock of the Issuer in connection with its initial public offering, (ii) 3,248,600 shares of Common Stock issued upon conversion of Series B convertible preferred stock of the Issuer in connection with its initial public offering, and (iii) 312,500 shares of Common Stock acquired in the Issuer’s initial public offering. All such shares are held of record by LVPII (as defined below).

(2) Based on 42,249,431 shares of Common Stock outstanding as of October 31, 2015, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2015, filed by the Issuer with the Securities and Exchange Commission on November 4, 2015.

 

 

 

CUSIP No. 19459J104   13G   Page 3 of 9 Pages

 

1.   NAMES OF REPORTING PERSONS

Longitude Venture Partners II, L.P.		    
2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see instructions)

(a)    o
(b)    o

    
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
 
7,434,630 (1)
  7.   SOLE DISPOSITIVE POWER
 
0
  8.   SHARED DISPOSITIVE POWER
 
7,434,630 (1)

 

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

7,434,630 (1)		    
10.  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see instructions)

 

o

    
11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

17.6% (2)		    
12.   TYPE OF REPORTING PERSON (see instructions)

PN		    
 

(1) Consists of (i) 3,873,530 shares of Common Stock issued upon conversion of Series A convertible preferred stock of the Issuer in connection with its initial public offering, (ii) 3,248,600 shares of Common Stock issued upon conversion of Series B convertible preferred stock of the Issuer in connection with its initial public offering, and (iii) 312,500 shares of Common Stock acquired in the Issuer’s initial public offering.

(2) Based on 42,249,431 shares of Common Stock outstanding as of October 31, 2015, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2015, filed by the Issuer with the Securities and Exchange Commission on November 4, 2015.

 

 

 

CUSIP No. 19459J104   13G   Page 4 of 9 Pages

 

1.   NAMES OF REPORTING PERSONS

Juliet Tammenoms Bakker		    
2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see instructions)

(a)    o
(b)    o

    
3.   SEC USE ONLY
 		    
4.   CITIZENSHIP OR PLACE OF ORGANIZATION
 
United States of America		    

 

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH   5.   SOLE VOTING POWER
 
0
  6.   SHARED VOTING POWER
 
7,552,900 (1)
  7.   SOLE DISPOSITIVE POWER
 
0
  8.   SHARED DISPOSITIVE POWER
 
7,552,900 (1)

 

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

7,552,900 (1)		    
10.  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see instructions)

 

o

    
11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

17.8% (2)		    
12.   TYPE OF REPORTING PERSON (see instructions)

IN		    
 

(1) Consists of (i) 118,270 shares of Common Stock subject to stock option awards that have been granted to Mr. Enright in his capacity as a director of the Issuer and are exercisable within 60 days after December 31, 2015, (ii) 3,873,530 shares of Common Stock issued upon conversion of Series A convertible preferred stock of the Issuer in connection with its initial public offering, (iii) 3,248,600 shares of Common Stock issued upon conversion of Series B convertible preferred stock of the Issuer in connection with its initial public offering, and (iv) 312,500 shares of Common Stock acquired in the Issuer’s initial public offering. All of the shares described in clauses (ii), (iii) and (iv) are held of record by LVPII (as defined below).

(2) Based on 42,367,701 shares of Common Stock, calculated as follows: (i) 118,270 shares of Common Stock subject to stock option awards that have been granted to Mr. Enright in his capacity as a director of the Issuer and are exercisable within 60 days after December 31, 2015, and (ii) 42,249,431 shares of Common Stock outstanding as of October 31, 2015, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2015, filed by the Issuer with the Securities and Exchange Commission on November 4, 2015.

 

 

 

CUSIP No. 19459J104   13G   Page 5 of 9 Pages

 

1.   NAMES OF REPORTING PERSONS

Patrick G. Enright		    
2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see instructions)

(a)    o
(b)    o

    
3.   SEC USE ONLY
 		    
4.   CITIZENSHIP OR PLACE OF ORGANIZATION
 
United States of America		    

 

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH   5.   SOLE VOTING POWER
 
0
  6.   SHARED VOTING POWER
 
7,552,900 (1)
  7.   SOLE DISPOSITIVE POWER
 
0
  8.   SHARED DISPOSITIVE POWER
 
7,552,900 (1)

 

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

7,552,900 (1)		    
10.  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see instructions)

 

o

    
11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

17.8% (2)		    
12.   TYPE OF REPORTING PERSON (see instructions)

IN		    
 

(1) Consists of (i) 118,270 shares of Common Stock subject to stock option awards that have been granted to Mr. Enright in his capacity as a director of the Issuer and are exercisable within 60 days after December 31, 2015, (ii) 3,873,530 shares of Common Stock issued upon conversion of Series A convertible preferred stock of the Issuer in connection with its initial public offering, (iii) 3,248,600 shares of Common Stock issued upon conversion of Series B convertible preferred stock of the Issuer in connection with its initial public offering, and (iv) 312,500 shares of Common Stock acquired in the Issuer’s initial public offering. All of the shares described in clauses (ii), (iii) and (iv) are held of record by LVPII (as defined below).

(2) Based on 42,367,701 shares of Common Stock, calculated as follows: (i) 118,270 shares of Common Stock subject to stock option awards that have been granted to Mr. Enright in his capacity as a director of the Issuer and are exercisable within 60 days after December 31, 2015, and (ii) 42,249,431 shares of Common Stock outstanding as of October 31, 2015, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2015, filed by the Issuer with the Securities and Exchange Commission on November 4, 2015.

 

 

 

 

Item 1(a). Name of Issuer:

 

Aimmune Therapeutics, Inc.

 

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

 

8000 Marina Boulevard, Suite 300

Brisbane, California 94005

 

Item 2(a). Name of Person Filing:

 

This Schedule 13G (the “Statement”) is being jointly filed by the following reporting persons (each a “Reporting Person” and collectively the “Reporting Persons”): Longitude Venture Partners II, L.P. (“LVPII”); LVPII’s general partner, Longitude Capital Partners II, LLC (“LCPII”); and LCPII’s managing members, Ms. Juliet Tammenoms Bakker and Mr. Patrick G. Enright.

 

The Reporting Persons have entered into a Joint Filing Agreement, dated January 29, 2016, a copy of which is filed as Exhibit A to this Statement, pursuant to which the Reporting Persons have agreed to file this Statement and all amendments thereto jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Act.

 

Item 2(b) Address of Principal Business Office, or if None, Residence:

 

The address of the principal business office of each Reporting Person is 800 El Camino Real, Suite 220, Menlo Park, California 94025.

 

Item 2(c). Citizenship:

 

LCPII is a limited liability company organized under the laws of the State of Delaware. LVPII is a limited partnership organized under the laws of the State of Delaware. Ms. Bakker and Mr. Enright are citizens of the United States of America.

 

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

 

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

 

Item 2(e). CUSIP Number:

 

00900T107.

 

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.

 

Item 4. Ownership.

 

(a)Amount beneficially owned:

See Row 9 of the cover page for each Reporting Person.*

 

(b)Percent of class:

See Row 11 of the cover page for each Reporting Person.**

 

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

 

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

See Row 5 of the cover page for each Reporting Person.*

 

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

See Row 6 of the cover page for each Reporting Person.*

 

6 

 

 

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

See Row 7 of the cover page for each Reporting Person.*

 

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

See Row 8 of the cover page for each Reporting Person.*

 

* Each of the Reporting Persons disclaims beneficial ownership as to such securities, except to the extent of his, her or its pecuniary interest therein.

 

** The percentage of Common Stock reported as beneficially owned by each Reporting Person is based on 42,249,431 shares of Common Stock outstanding as of October 31, 2015, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2015, filed by the Issuer with the Securities and Exchange Commission on November 4, 2015

 

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.

 

The response to Item 2(a) of this Statement is incorporated herein by reference.

 

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

 

The response to Item 2(a) of this Statement is incorporated herein by reference.

 

Item 8. Identification and Classification of Members of the Group.

 

Not applicable.

 

Item 9. Notice of Dissolution of the Group.

 

Not applicable.

 

Item 10. Certifications.

 

Not applicable.

7 

 

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: January 29, 2016

 

    LONGITUDE VENTURE PARTNERS II, L.P.
     
    By: LONGITUDE CAPITAL PARTNERS II, LLC
    Its:  General Partner
     
    By: /s/ Patrick G. Enright
      Patrick G. Enright, Managing Member
       
       
    LONGITUDE CAPITAL PARTNERS II, LLC
     
    By:   /s/ Patrick G. Enright
      Patrick G. Enright, Managing Member
       
       
       
    By: /s/ Patrick G. Enright
      Patrick G. Enright
       
       
       
    By: /s/ Juliet Tammenoms Bakker
      Juliet Tammenoms Bakker

 

8 

 

 

EXHIBIT INDEX

 

Exhibit 99.1:       Joint Filing Agreement, dated January 29, 2016, pursuant to Rule 13d-1(k)(1).

 

9