*
|
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.
|
CUSIP No. 078771102
|
Page 2 of 14
|
1.
|
Name of Reporting Persons
Venrock Associates IV, L.P.
|
|||||
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) x1 (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
962,4152
|
|||
|
7.
|
|
Sole Dispositive Power
0
|
|||
|
8.
|
|
Shared Dispositive Power
962,4152
|
|||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
962,4152
|
|||||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
|
|||||
11.
|
Percent of Class Represented by Amount in Row (9)
7.3%3
|
|||||
12.
|
Type of Reporting Person (See Instructions)
PN
|
1
|
Venrock Associates IV, L.P. (“VA4”), Venrock Partners, L.P. (“VP”), Venrock Entrepreneurs Fund IV, L.P. (“VEF4”), Venrock Management IV, LLC (the general partner of VA4), Venrock Partners Management, LLC (the general partner of VP) and VEF Management IV, LLC (the general partner of VEF4) are members of a group for purposes of this Schedule 13G.
|
2
|
Consists of 783,407 shares of common stock owned by VA4, 159,761 shares of common stock owned by VP and 19,247 shares of common stock owned by VEF4.
|
3
|
This percentage is calculated based upon 13,099,864 shares of the Issuer’s common stock outstanding as of November 9, 2015, as set forth in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2015.
|
CUSIP No. 078771102
|
Page 3 of 14
|
1.
|
Name of Reporting Persons
Venrock Partners, L.P.
|
|||||
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) x1 (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
962,4152
|
|||
|
7.
|
|
Sole Dispositive Power
0
|
|||
|
8.
|
|
Shared Dispositive Power
962,4152
|
|||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
962,4152
|
|||||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
|
|||||
11.
|
Percent of Class Represented by Amount in Row (9)
7.3%3
|
|||||
12.
|
Type of Reporting Person (See Instructions)
PN
|
1
|
Venrock Associates IV, L.P. (“VA4”), Venrock Partners, L.P. (“VP”), Venrock Entrepreneurs Fund IV, L.P. (“VEF4”), Venrock Management IV, LLC (the general partner of VA4), Venrock Partners Management, LLC (the general partner of VP) and VEF Management IV, LLC (the general partner of VEF4) are members of a group for purposes of this Schedule 13G.
|
2
|
Consists of 783,407 shares of common stock owned by VA4, 159,761 shares of common stock owned by VP and 19,247 shares of common stock owned by VEF4.
|
3
|
This percentage is calculated based upon 13,099,864 shares of the Issuer’s common stock outstanding as of November 9, 2015, as set forth in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2015.
|
CUSIP No. 078771102
|
Page 4 of 14
|
1.
|
Name of Reporting Persons
Venrock Entrepreneurs Fund IV, L.P.
|
||||
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) x1 (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
962,4152
|
||
|
7.
|
|
Sole Dispositive Power
0
|
||
|
8.
|
|
Shared Dispositive Power
962,4152
|
||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
962,4152
|
||||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
|
||||
11.
|
Percent of Class Represented by Amount in Row (9)
7.3%3
|
||||
12.
|
Type of Reporting Person (See Instructions)
PN
|
1
|
Venrock Associates IV, L.P. (“VA4”), Venrock Partners, L.P. (“VP”), Venrock Entrepreneurs Fund IV, L.P. (“VEF4”), Venrock Management IV, LLC (the general partner of VA4), Venrock Partners Management, LLC (the general partner of VP) and VEF Management IV, LLC (the general partner of VEF4) are members of a group for purposes of this Schedule 13G.
|
2
|
Consists of 783,407 shares of common stock owned by VA4, 159,761 shares of common stock owned by VP and 19,247 shares of common stock owned by VEF4.
|
3
|
This percentage is calculated based upon 13,099,864 shares of the Issuer’s common stock outstanding as of November 9, 2015, as set forth in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2015.
|
CUSIP No. 078771102
|
Page 5 of 14
|
1.
|
Name of Reporting Persons
Venrock Management IV, LLC
|
|||||
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) x1 (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
962,4152
|
|||
|
7.
|
|
Sole Dispositive Power
0
|
|||
|
8.
|
|
Shared Dispositive Power
962,4152
|
|||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
962,4152
|
|||||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
|
|||||
11.
|
Percent of Class Represented by Amount in Row (9)
7.3%3
|
|||||
12.
|
Type of Reporting Person (See Instructions)
OO
|
1
|
Venrock Associates IV, L.P. (“VA4”), Venrock Partners, L.P. (“VP”), Venrock Entrepreneurs Fund IV, L.P. (“VEF4”), Venrock Management IV, LLC (the general partner of VA4), Venrock Partners Management, LLC (the general partner of VP) and VEF Management IV, LLC (the general partner of VEF4) are members of a group for purposes of this Schedule 13G.
|
2
|
Consists of 783,407 shares of common stock owned by VA4, 159,761 shares of common stock owned by VP and 19,247 shares of common stock owned by VEF4.
|
3
|
This percentage is calculated based upon 13,099,864 shares of the Issuer’s common stock outstanding as of November 9, 2015, as set forth in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2015.
|
CUSIP No. 078771102
|
Page 6 of 14
|
1.
|
Name of Reporting Persons
Venrock Partners Management, LLC
|
|||||
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) x1 (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
962,4152
|
|||
|
7.
|
|
Sole Dispositive Power
0
|
|||
|
8.
|
|
Shared Dispositive Power
962,4152
|
|||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
962,4152
|
|||||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
|
|||||
11.
|
Percent of Class Represented by Amount in Row (9)
7.3%3
|
|||||
12.
|
Type of Reporting Person (See Instructions)
OO
|
1
|
Venrock Associates IV, L.P. (“VA4”), Venrock Partners, L.P. (“VP”), Venrock Entrepreneurs Fund IV, L.P. (“VEF4”), Venrock Management IV, LLC (the general partner of VA4), Venrock Partners Management, LLC (the general partner of VP) and VEF Management IV, LLC (the general partner of VEF4) are members of a group for purposes of this Schedule 13G.
|
2
|
Consists of 783,407 shares of common stock owned by VA4, 159,761 shares of common stock owned by VP and 19,247 shares of common stock owned by VEF4.
|
3
|
This percentage is calculated based upon 13,099,864 shares of the Issuer’s common stock outstanding as of November 9, 2015, as set forth in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2015.
|
CUSIP No. 078771102
|
Page 7 of 14
|
1.
|
Name of Reporting Persons
VEF Management IV, LLC
|
|||||
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) x1 (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
962,4152
|
|||
|
7.
|
|
Sole Dispositive Power
0
|
|||
|
8.
|
|
Shared Dispositive Power
962,4152
|
|||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
962,4152
|
|||||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
|
|||||
11.
|
Percent of Class Represented by Amount in Row (9)
7.3%3
|
|||||
12.
|
Type of Reporting Person (See Instructions)
OO
|
1
|
Venrock Associates IV, L.P. (“VA4”), Venrock Partners, L.P. (“VP”), Venrock Entrepreneurs Fund IV, L.P. (“VEF4”), Venrock Management IV, LLC (the general partner of VA4), Venrock Partners Management, LLC (the general partner of VP) and VEF Management IV, LLC (the general partner of VEF4) are members of a group for purposes of this Schedule 13G.
|
2
|
Consists of 783,407 shares of common stock owned by VA4, 159,761 shares of common stock owned by VP and 19,247 shares of common stock owned by VEF4.
|
3
|
This percentage is calculated based upon 13,099,864 shares of the Issuer’s common stock outstanding as of November 9, 2015, as set forth in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2015.
|
CUSIP No. 078771102
|
Page 8 of 14
|
Item 1.
|
(a)
|
Name of Issuer
|
(b)
|
Address of Issuer’s Principal Executive Offices
|
Item 2.
|
(a)
|
Name of Person Filing
|
(b)
|
Address of Principal Business Office or, if none, Residence
|
New York Office:
|
|
Palo Alto Office:
|
|
Boston Office:
|
530 Fifth Avenue
|
|
3340 Hillview Avenue
|
|
470 Atlantic Avenue
|
22nd Floor
|
|
Palo Alto, CA 94304
|
|
4th Floor
|
New York, NY 10036
|
|
|
Boston, MA 02210
|
(c)
|
Citizenship
|
CUSIP No. 078771102
|
Page 9 of 14
|
(d)
|
Title of Class of Securities
|
(e)
|
CUSIP Number
|
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:
|
Item 4.
|
Ownership
|
Venrock Associates IV, L.P.
|
962,415 (1)
|
Venrock Partners, L.P.
|
962,415 (1)
|
Venrock Entrepreneurs Fund IV, L.P.
|
962,415 (1)
|
Venrock Management IV, LLC
|
962,415 (1)
|
Venrock Partners Management, LLC
|
962,415 (1)
|
VEF Management IV, LLC
|
962,415 (1)
|
Venrock Associates IV, L.P.
|
7.3% (2)
|
Venrock Partners, L.P.
|
7.3% (2)
|
Venrock Entrepreneurs Fund IV, L.P.
|
7.3% (2)
|
Venrock Management IV, LLC
|
7.3% (2)
|
Venrock Partners Management, LLC
|
7.3% (2)
|
VEF Management IV, LLC
|
7.3% (2)
|
(c)
|
Number of shares as to which the person has, as of December 31, 2015:
|
Venrock Associates IV, L.P.
|
0
|
Venrock Partners, L.P.
|
0
|
Venrock Entrepreneurs Fund IV, L.P.
|
0
|
Venrock Management IV, LLC
|
0
|
Venrock Partners Management, LLC
|
0
|
VEF Management IV, LLC
|
0
|
CUSIP No. 078771102
|
Page 10 of 14
|
Venrock Associates IV, L.P.
|
962,415 (1)
|
Venrock Partners, L.P.
|
962,415 (1)
|
Venrock Entrepreneurs Fund IV, L.P.
|
962,415 (1)
|
Venrock Management IV, LLC
|
962,415 (1)
|
Venrock Partners Management, LLC
|
962,415 (1)
|
VEF Management IV, LLC
|
962,415 (1)
|
Venrock Associates IV, L.P.
|
0
|
Venrock Partners, L.P.
|
0
|
Venrock Entrepreneurs Fund IV, L.P.
|
0
|
Venrock Management IV, LLC
|
0
|
Venrock Partners Management, LLC
|
0
|
VEF Management IV, LLC
|
0
|
Venrock Associates IV, L.P.
|
962,415 (1)
|
Venrock Partners, L.P.
|
962,415 (1)
|
Venrock Entrepreneurs Fund IV, L.P.
|
962,415 (1)
|
Venrock Management IV, LLC
|
962,415 (1)
|
Venrock Partners Management, LLC
|
962,415 (1)
|
VEF Management IV, LLC
|
962,415 (1)
|
(1)
|
These shares are owned directly as follows: 783,407 shares are owned by VA4, 159,761 shares are owned by VP and 19,247 shares are owned by VEF4.
|
(2)
|
This percentage is calculated based upon 13,099,864 shares of the Issuer’s common stock outstanding as of November 9, 2015, as set forth in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2015.
|
Item 5.
|
Ownership of Five Percent or Less of a Class
|
Item 6.
|
Ownership of More than Five Percent on Behalf of Another Person
|
CUSIP No. 078771102
|
Page 11 of 14
|
Item 7.
|
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.
|
Item 8.
|
Identification and Classification of Members of the Group
|
Item 9.
|
Notice of Dissolution of a Group
|
Item 10.
|
Certification
|
CUSIP No. 078771102
|
Page 12 of 14
|
CUSIP No. 078771102
|
Page 13 of 14
|
CUSIP No. 078771102
|
Page 14 of 14
|
A:
|
Joint Filing Agreement
|