CUSIP No. 720795103 | ||||
1
|
NAME OF REPORTING PERSONS
OrbiMed Advisors LLC
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|||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) ☒
(b) o
|
||
3
|
SEC USE ONLY
|
|||
4
|
SOURCE OF FUNDS
AF
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|||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o
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||
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
|||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
7
|
SOLE VOTING POWER
0
|
||
8
|
SHARED VOTING POWER
5,550,000*
|
|||
9
|
SOLE DISPOSITIVE POWER
0
|
|||
10
|
SHARED DISPOSITIVE POWER
5,550,000*
|
|||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,550,000*
|
|||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)
|
o
|
||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
12.39%*
|
|||
14
|
TYPE OF REPORTING PERSON (See Instructions)
IA
|
|||
CUSIP No. 720795103 | ||||
1
|
NAME OF REPORTING PERSONS
OrbiMed Capital GP III LLC
|
|||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) ☒
(b) o
|
||
3
|
SEC USE ONLY
|
|||
4
|
SOURCE OF FUNDS
AF
|
|||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 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
0
|
||
8
|
SHARED VOTING POWER
5,500,730*
|
|||
9
|
SOLE DISPOSITIVE POWER
0
|
|||
10
|
SHARED DISPOSITIVE POWER
5,500,730*
|
|||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,500,730*
|
|||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)
|
o
|
||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
12.28%*
|
|||
14
|
TYPE OF REPORTING PERSON (See Instructions)
OO
|
|||
CUSIP No. 720795103 | ||||
1
|
NAME OF REPORTING PERSONS
Samuel D. Isaly
|
|||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) ☒
(b) o
|
||
3
|
SEC USE ONLY
|
|||
4
|
SOURCE OF FUNDS
AF
|
|||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 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
0
|
||
8
|
SHARED VOTING POWER
5,550,000*
|
|||
9
|
SOLE DISPOSITIVE POWER
0
|
|||
10
|
SHARED DISPOSITIVE POWER
5,550,000*
|
|||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,550,000*
|
|||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)
|
o
|
||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
12.39%*
|
|||
14
|
TYPE OF REPORTING PERSON (See Instructions)
IN
|
|||
Item 1. |
Security and Issuer
|
Item 2. |
Identity and Background
|
(i) |
name;
|
|
(ii) |
business address;
|
(iii) |
present principal occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted;
|
|
(iv) |
citizenship.
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Item 3. |
Source and Amount of Funds or Other Consideration
|
Item 4. |
Purpose of Transaction
|
Item 5. |
Interest in Securities of the Issuer
|
Seller
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Date of Transaction
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Transaction
|
Number of Shares
|
Price Per Share*
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
27,241
|
$2.00
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
259
|
$2.00
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
5,227
|
$3.00
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
50
|
$3.00
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
6,654
|
$2.62
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
63
|
$2.62
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
8,717
|
$1.94
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
83
|
$1.94
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
10,180
|
$1.62
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
97
|
$1.62
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
19,811
|
$1.59
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
189
|
$1.59
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
8,097
|
$2.05
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
77
|
$2.05
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
9,642
|
$1.73
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
92
|
$1.73
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
10,182
|
$1.64
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
97
|
$1.64
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
14,858
|
$2.01
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
142
|
$2.01
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
10,216
|
$2.01
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
97
|
$2.01
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
10,447
|
$2.32
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
99
|
$2.32
|
OPI III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
4,971
|
$5.64
|
Associates III
|
December 18, 2017
|
Acquired upon the exercise of stock options
|
47
|
$5.64
|
OPI III
|
December 18, 2017
|
Sold
|
146,243
|
$5.70
|
Associates III
|
December 18, 2017
|
Sold
|
1,392
|
$5.70
|
OPI III
|
January 3, 2018
|
Sold
|
1,693,492
|
$7.35
|
Associates III
|
January 3, 2018
|
Sold
|
16,128
|
$7.35
|
Item 6. |
Contracts, Arrangements, Understandings or Relationship with Respect to Securities of the Issuer
|
Item 7. |
Materials to Be Filed as Exhibits
|
|
OrbiMed Advisors LLC
|
|
||
|
|
|
|
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By: | /s/ Samuel D. Isaly | |||
Name: | Samuel D. Isaly | |||
Title: | Managing Member | |||
|
|
|
|
|
OrbiMed Capital GP III LLC
|
||||
By: | OrbiMed Advisors LLC its Managing Member |
|||
By: | /s/ Samuel D. Isaly | |||
Name: | Samuel D. Isaly | |||
Title: | Managing Member | |||
Samuel D. Isaly | |||
/s/ Samuel D. Isaly | |||
Name: | Samuel D. Isaly | ||
Name
|
Position with Reporting
Person
|
Principal Occupation
|
Samuel D. Isaly
|
Managing Member
|
Managing Member
OrbiMed Advisors LLC
|
Carl L. Gordon
|
Member
|
Member
OrbiMed Advisors LLC
|
Sven H. Borho
German and Swedish Citizen
|
Member
|
Member
OrbiMed Advisors LLC
|
Jonathan T. Silverstein
|
Member
|
Member
OrbiMed Advisors LLC
|
W. Carter Neild
|
Member
|
Member
OrbiMed Advisors LLC
|
Geoffrey C. Hsu
|
Member
|
Member
OrbiMed Advisors LLC
|
Evan D. Sotiriou
|
Chief Financial Officer
|
Chief Financial Officer
OrbiMed Advisors LLC
|
|
OrbiMed Advisors LLC
|
|
||
|
|
|
|
|
By: | /s/ Samuel D. Isaly | |||
Name: | Samuel D. Isaly | |||
Title: | Managing Member | |||
|
|
|
|
|
OrbiMed Capital GP III LLC
|
||||
By: | OrbiMed Advisors LLC its Managing Member |
|||
By: | /s/ Samuel D. Isaly | |||
Name: | Samuel D. Isaly | |||
Title: | Managing Member | |||
Samuel D. Isaly | |||
/s/ Samuel D. Isaly | |||
Name: | Samuel D. Isaly | ||