SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
SCHEDULE 13D
(Rule 13d-101)
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)1
Tobira Therapeutics, Inc.
(Formerly Regado Biosciences, Inc).
|
|
(Name of Issuer)
|
|
Common Stock, $.001 par value
|
|
(Title of Class of Securities)
|
|
88883P101
|
|
(CUSIP Number)
|
|
Domain Associates, LLC
|
Ropes & Gray LLP
|
One Palmer Square
|
1211 Avenue of the Americas
|
Princeton, NJ 08542
|
New York, NY 10036
|
Attn: Kathleen K. Schoemaker
|
Attn: Morri H. Weinberg, Esq.
|
Tel: (609) 683-5656
|
Tel: (212) 596-9000
|
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
|
|
May 4, 2015
|
|
(Date of Event Which Requires Filing of This Statement)
|
1.
|
NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
(VOLUNTARY)
|
Domain Partners VI, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) [x]
(b) [ ]
|
||
SEC USE ONLY
|
||||
4.
|
SOURCE OF FUNDS
|
OO
|
||
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS
IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
|
[ ]
|
||
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Delaware
|
||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
7.
|
SOLE VOTING POWER
|
285,679
|
|
8.
|
SHARED VOTING POWER
|
0
|
||
9.
|
SOLE DISPOSITIVE POWER
|
285,679
|
||
10.
|
SHARED DISPOSITIVE POWER
|
0
|
||
11.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
285,679
|
||
12.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)
EXCLUDES CERTAIN SHARES
|
|||
13.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
1.6%
|
||
14.
|
TYPE OF REPORTING PERSON
|
PN
|
1.
|
NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
(VOLUNTARY)
|
DP VI Associates, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) [x]
(b) [ ]
|
||
3.
|
SEC USE ONLY
|
|||
4.
|
SOURCE OF FUNDS
|
OO
|
||
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS
IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
|
[ ]
|
||
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Delaware
|
||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
7.
|
SOLE VOTING POWER
|
1,657
|
|
8.
|
SHARED VOTING POWER
|
0
|
||
9.
|
SOLE DISPOSITIVE POWER
|
1,657
|
||
10.
|
SHARED DISPOSITIVE POWER
|
0
|
||
11.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
1,657
|
||
12.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)
EXCLUDES CERTAIN SHARES
|
|||
13.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
Less than 0.1%
|
||
14.
|
TYPE OF REPORTING PERSON
|
PN
|
1.
|
NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
(VOLUNTARY)
|
Domain Associates, LLC
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) [x]
(b) [ ]
|
||
3.
|
SEC USE ONLY
|
|||
4.
|
SOURCE OF FUNDS
|
OO
|
||
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS
IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
|
[ ]
|
||
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Delaware
|
||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
7.
|
SOLE VOTING POWER
|
38,094
|
|
8.
|
SHARED VOTING POWER
|
0
|
||
9.
|
SOLE DISPOSITIVE POWER
|
38,094
|
||
10.
|
SHARED DISPOSITIVE POWER
|
0
|
||
11.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
38,094
|
||
12.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)
EXCLUDES CERTAIN SHARES
|
|||
13.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
0.2%
|
||
14.
|
TYPE OF REPORTING PERSON
|
OO
|
1.
|
NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
(VOLUNTARY)
|
Domain Partners VII, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) [x]
(b) [ ]
|
||
3.
|
SEC USE ONLY
|
|||
4.
|
SOURCE OF FUNDS
|
OO, WC
|
||
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS
IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
|
[ ]
|
||
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Delaware
|
||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
7.
|
SOLE VOTING POWER
|
3,553,322
|
|
8.
|
SHARED VOTING POWER
|
0
|
||
9.
|
SOLE DISPOSITIVE POWER
|
3,553,322
|
||
10.
|
SHARED DISPOSITIVE POWER
|
0
|
||
11.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
3,553,322
|
||
12.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)
EXCLUDES CERTAIN SHARES
|
|||
13.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
20.4%
|
||
14.
|
TYPE OF REPORTING PERSON
|
PN
|
1.
|
NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
(VOLUNTARY)
|
DP VII Associates, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) [x]
(b) [ ]
|
||
3.
|
SEC USE ONLY
|
|||
4.
|
SOURCE OF FUNDS
|
OO
|
||
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS
IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
|
[ ]
|
||
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Delaware
|
||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
7.
|
SOLE VOTING POWER
|
47,613
|
|
8.
|
SHARED VOTING POWER
|
0
|
||
9.
|
SOLE DISPOSITIVE POWER
|
47,613
|
||
10.
|
SHARED DISPOSITIVE POWER
|
0
|
||
11.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
47,613
|
||
12.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)
EXCLUDES CERTAIN SHARES
|
|||
13.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
0.3%
|
||
14.
|
TYPE OF REPORTING PERSON
|
PN
|
Item 6.
|
Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.
|
DOMAIN PARTNERS VI, L.P.
|
||
By:
|
One Palmer Square Associates VI, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DP VI ASSOCIATES, L.P.
|
||
By:
|
One Palmer Square Associates VI, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DOMAIN PARTNERS VII, L.P.
|
||
By:
|
One Palmer Square Associates VII, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DP VII ASSOCIATES, L.P.
|
||
By:
|
One Palmer Square Associates VII, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DOMAIN ASSOCIATES, LLC
|
||
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
DOMAIN PARTNERS VI, L.P.
|
||
By:
|
One Palmer Square Associates VI, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DP VI ASSOCIATES, L.P.
|
||
By:
|
One Palmer Square Associates VI, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DOMAIN PARTNERS VII, L.P.
|
||
By:
|
One Palmer Square Associates VII, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DP VII ASSOCIATES, L.P.
|
||
By:
|
One Palmer Square Associates VII, LLC, General Partner
|
|
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|
||
DOMAIN ASSOCIATES, LLC
|
||
By:
|
/s/ Kathleen K. Schoemaker
|
|
Managing Member
|