CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 2 of 11
|
1
|
NAME OF REPORTING PERSON OR
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Aisling Capital III, LP
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
221,809
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
221,809
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
221,809
|
|
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.9% (1)
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
(1)
|
Based on 11,554,232 shares of the Issuer’s common stock, consisting of (i) 11,532,423 shares of the Issuer’s common stock issued and outstanding as of November 1, 2017, as reported in the Issuer’s Quarterly Report on Form 10-Q filed with the SEC on November 7, 2017 and (ii) 21,809 shares of the Issuer’s common stock issuable upon the conversion of $2,500,000 aggregate principal amount of the Issuer’s 4.25% Convertible Senior Notes due 2021 beneficially owned by the Reporting Persons.
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 3 of 11
|
1
|
NAME OF REPORTING PERSON OR
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Aisling Capital Partners III, LP
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
221,809
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
221,809
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
221,809
|
|
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.9%
|
|
14
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 4 of 11
|
1
|
NAME OF REPORTING PERSON OR
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Aisling Capital Partners III LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
221,809
|
8
|
SHARED VOTING POWER
0
|
|
9
|
SOLE DISPOSITIVE POWER
221,809
|
|
10
|
SHARED DISPOSITIVE POWER
0
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
221,809
|
|
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.9%
|
|
14
|
TYPE OF REPORTING PERSON
OO
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 5 of 11
|
1
|
NAME OF REPORTING PERSON OR
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Steve Elms
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
221,809
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
221,809
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
221,809
|
|
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.9%
|
|
14
|
TYPE OF REPORTING PERSON
IN
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 6 of 11
|
1
|
NAME OF REPORTING PERSON OR
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Dennis Purcell
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
221,809
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
221,809
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
221,809
|
|
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.9%
|
|
14
|
TYPE OF REPORTING PERSON
IN
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 7 of 11
|
1
|
NAME OF REPORTING PERSON OR
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Andrew Schiff
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(b) x
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
OO
|
|
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
o |
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
221,809
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
221,809
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
221,809
|
|
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o |
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.9%
|
|
14
|
TYPE OF REPORTING PERSON
IN
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 9 of 11
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 9 of 11
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 10 of 11
|
Exhibit 1:
|
Joint Filing Agreement dated as of August 8, 2011, as required by Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended (previously filed).
|
CUSIP No. 71426V108
|
SCHEDULE 13D |
Page 11 of 11
|
AISLING CAPITAL III, LP
|
|||
By:
|
Aisling Capital Partners III, LP
|
||
General Partner
|
|||
By:
|
Aisling Capital Partners III LLC
|
||
General Partner
|
|||
By:
|
/s/ Dennis Purcell | ||
Name: Dennis Purcell
|
|||
Title: Managing Member
|
|||
AISLING CAPITAL PARTNERS III, LP
|
|||
By:
|
Aisling Capital Partners III LLC
|
||
General Partner
|
|||
By:
|
/s/ Dennis Purcell | ||
Name: Dennis Purcell
|
|||
Title: Managing Member
|
|||
AISLING CAPITAL PARTNERS III LLC
|
By:
|
/s/ Dennis Purcell | |
Name: Dennis Purcell
|
||
Title: Managing Member
|
/s/ Steve Elms
|
|
Steve Elms
|
|
/s/ Dennis Purcell
|
|
Dennis Purcell
|
|
/s/ Andrew Schiff
|
|
Andrew Schiff
|