* | The remainder of this cover page shall be filled out for a reporting persons 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. |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM BioVentures III-QP, L.P. |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 11,048,038 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 0 | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 11,048,038 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
0 | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
11,048,038 | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
11.1%(2) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
PN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM BioVentures III, L.P. |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 741,675 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 0 | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 741,675 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
0 | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
741,675 | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
0.8%(2) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
PN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM Asset Management Investors 2003 BVIII LLC |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 213,605 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 0 | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 213,605 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
0 | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
213,605 | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
0.2%(2) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
00 |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM BioVentures III Parallel Fund, L.P. |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 332,668 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 0 | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 332,668 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
0 | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
332,668 | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
0.3%(2) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
PN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM BioVentures III GmbH & Co. Beteiligungs KG |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Germany | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 932,451 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 0 | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 932,451 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
0 | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
932,451 | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
0.9%(2) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
PN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM Asset Management LLC |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 70,092 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 0 | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 70,092 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
0 | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
70,092 | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
0.1%(2) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
OO |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM BioVentures III GP, L.P. |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,054,832(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,054,832(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,054,832(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.2%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
PN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS MPM BioVentures III LLC |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
WC | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,054,832(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,054,832(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,054,832(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.2%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
OO |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS Luke Evnin |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
OO | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
United States | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,338,529(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,338,529(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,338,529(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.4%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
IN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS Ansbert Gadicke |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
OO | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
United States | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,338,529(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,338,529(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,338,529(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.4%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
IN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS Nicholas Galakatos |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
OO | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
United States | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,268,437(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,268,437(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,268,437(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.4%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
IN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS Michael Steinmetz |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
OO | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
United States | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,268,437(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,268,437(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,268,437(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.4%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
IN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS Kurt Wheeler |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
OO | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
United States | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,268,437(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,268,437(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,268,437(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.4%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
IN |
CUSIP No. |
20010A103 |
13D |
1 | NAMES OF REPORTING PERSONS Nicholas Simon III |
||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
||||||||||
(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
OO | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
United States | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,268,437(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,268,437(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,268,437(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.4%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
IN |
CUSIP No. |
98887C 105 |
13D |
1 | NAMES OF REPORTING PERSONS Dennis Henner |
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2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) |
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(a) o | |||||||||||
(b) þ(1) | |||||||||||
3 | SEC USE ONLY | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS) | ||||||||||
OO | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||||||||
United States | |||||||||||
7 | SOLE VOTING POWER | ||||||||||
NUMBER OF | 0 | ||||||||||
SHARES | 8 | SHARED VOTING POWER | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 13,268,437(2) | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER | |||||||||
REPORTING | |||||||||||
PERSON | 0 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER | |||||||||
13,268,437(2) | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||||||||
13,268,437(2) | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) | ||||||||||
13.4%(3) | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||||||||
IN |
Shared | Sole | Shared | ||||||||||||||||||||||||||
Shares Held | Sole Voting | Voting | Dispositive | Dispositive | Beneficial | Percentage of | ||||||||||||||||||||||
Filing Person | Directly | Power | Power | Power | Power | Ownership | Class (1) | |||||||||||||||||||||
BV III QP |
11,048,038 | 11,048,038 | 0 | 11,048,038 | 0 | 11,048,038 | 11.1 | % | ||||||||||||||||||||
BV III |
741,675 | 741,675 | 0 | 741,675 | 0 | 741,675 | 0.8 | % | ||||||||||||||||||||
BV III PF |
332,668 | 332,668 | 0 | 332,668 | 0 | 332,668 | 0.3 | % | ||||||||||||||||||||
BV III KG |
932,451 | 932,451 | 0 | 932,451 | 0 | 932,451 | 0.9 | % | ||||||||||||||||||||
AM LLC |
213,605 | 213,605 | 0 | 213,605 | 0 | 213,605 | 0.2 | % | ||||||||||||||||||||
MPM AM |
70,092 | 70,092 | 0 | 70,092 | 0 | 70,092 | 0.1 | % | ||||||||||||||||||||
BV III GP(2) |
0 | 0 | 13,054,832 | 0 | 13,054,832 | 13,054,832 | 13.2 | % | ||||||||||||||||||||
BV III LLC(2) |
0 | 0 | 13,054,832 | 0 | 13,054,832 | 13,054,832 | 13.2 | % | ||||||||||||||||||||
Luke Evnin(3)(4) |
0 | 0 | 13,338,529 | 0 | 13,338,529 | 13,338,529 | 13.4 | % | ||||||||||||||||||||
Ansbert Gadicke(3)(4) |
0 | 0 | 13,338,529 | 0 | 13,338,529 | 13,338,529 | 13.4 | % | ||||||||||||||||||||
Nicholas Galakatos(3) |
0 | 0 | 13,268,437 | 0 | 13,268,437 | 13,268,437 | 13.4 | % | ||||||||||||||||||||
Michael Steinmetz(3) |
0 | 0 | 13,268,437 | 0 | 13,268,437 | 13,268,437 | 13.4 | % | ||||||||||||||||||||
Kurt Wheeler(3) |
0 | 0 | 13,268,437 | 0 | 13,268,437 | 13,268,437 | 13.4 | % | ||||||||||||||||||||
Nicholas Simon III(3) |
0 | 0 | 13,268,437 | 0 | 13,268,437 | 13,268,437 | 13.4 | % | ||||||||||||||||||||
Dennis Henner(3) |
0 | 0 | 13,268,437 | 0 | 13,268,437 | 13,268,437 | 13.4 | % |
(1) | This percentage is calculated based upon 99,237,510 shares of Issuers Common Stock
outstanding as of August 3, 2011, as disclosed in the Issuers Quarterly Report on Form
10-Q, filed with the Securities and Exchange Commission on August 4, 2011. |
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(2) | BV III GP and BV III LLC are the direct and indirect general partners of BV III QP, BV
III, BV III PF and BV III KG. The securities with respect to which these entities share
voting and dispositive power are held as follows: 11,048,038 shares of Common Stock by BV
III QP; 741,675 shares of Common Stock by BV III; 332,605 shares of Common Stock by BV III
PF; and 932,451 shares of Common Stock by BV III KG. |
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(3) | These Filing Persons are Series A Members of BV III LLC and managers of AM LLC. The
securities with respect to which these Filing Persons share voting and dispositive power
are held as follows: 11,048,038 shares of Common Stock by BV III QP; 741,675 shares of Common Stock by BV III; 332,668 shares of Common Stock by BV III PF; 932,451 shares of
Common Stock by BV III KG; and 213,605 shares of Common Stock by AM LLC. |
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(4) | Also includes 70,092 shares of Common Stock held by MPM AM, of which these Filing
Persons are members and with respect to which these Filing Persons share voting and
dispositive power. |
MPM Entity | Date of Transaction | Number of Shares Sold | Price Per Share | |||||||
BV III QP |
September 26, 2011 | 174,808 | $ | 1.11 | (1) | |||||
BV III |
September 26, 2011 | 11,754 | $ | 1.11 | (1) | |||||
BV III PF |
September 26, 2011 | 5,279 | $ | 1.11 | (1) | |||||
BV III KG |
September 26, 2011 | 14,774 | $ | 1.11 | (1) | |||||
AM LLC |
September 26, 2011 | 3,385 | $ | 1.11 | (1) | |||||
BV III QP |
September 27, 2011 | 166,485 | $ | 1.09 | (2) | |||||
BV III |
September 27, 2011 | 11,194 | $ | 1.09 | (2) | |||||
BV III PF |
September 27, 2011 | 5,028 | $ | 1.09 | (2) | |||||
BV III KG |
September 27, 2011 | 14,070 | $ | 1.09 | (2) | |||||
AM LLC |
September 27, 2011 | 3,223 | $ | 1.09 | (2) | |||||
BV III QP |
September 28, 2011 | 83,242 | $ | 1.02 | (3) | |||||
BV III |
September 28, 2011 | 5,597 | $ | 1.02 | (3) | |||||
BV III PF |
September 28, 2011 | 2,514 | $ | 1.02 | (3) | |||||
BV III KG |
September 28, 2011 | 7,035 | $ | 1.02 | (3) | |||||
AM LLC |
September 28, 2011 | 1,612 | $ | 1.02 | (3) | |||||
BV III QP |
September 29, 2011 | 42,782 | $ | 1.02 | ||||||
BV III |
September 29, 2011 | 2,876 | $ | 1.02 | ||||||
BV III PF |
September 29, 2011 | 1,292 | $ | 1.02 | ||||||
BV III KG |
September 29, 2011 | 3,615 | $ | 1.02 | ||||||
AM LLC |
September 29, 2011 | 828 | $ | 1.02 | ||||||
MPM AM |
September 29, 2011 | 2,407 | $ | 1.02 | ||||||
BV III QP |
September 30, 2011 | 19,300 | $ | 1.02 | ||||||
BV III |
September 30, 2011 | 1,298 | $ | 1.02 | ||||||
BV III PF |
September 30, 2011 | 583 | $ | 1.02 | ||||||
BV III KG |
September 30, 2011 | 1,631 | $ | 1.02 | ||||||
AM LLC |
September 30, 2011 | 374 | $ | 1.02 | ||||||
MPM AM |
September 30, 2011 | 122 | $ | 1.02 | ||||||
BV III QP |
October, 5, 2011 | 27,430 | $ | 1.02 | ||||||
BV III |
October, 5, 2011 | 1,844 | $ | 1.02 | ||||||
BV III PF |
October, 5, 2011 | 828 | $ | 1.02 | ||||||
BV III KG |
October, 5, 2011 | 2,318 | $ | 1.02 | ||||||
AM LLC |
October, 5, 2011 | 531 | $ | 1.02 | ||||||
MPM AM |
October, 5, 2011 | 173 | $ | 1.02 | ||||||
BV III QP |
October 6, 2011 | 140,773 | $ | 1.02 | (3) | |||||
BV III |
October 6, 2011 | 9,465 | $ | 1.02 | (3) |
MPM Entity | Date of Transaction | Number of Shares Sold | Price Per Share | |||||||
BV III PF |
October 6, 2011 | 4,252 | $ | 1.02 | (3) | |||||
BV III KG |
October 6, 2011 | 11,897 | $ | 1.02 | (3) | |||||
AM LLC |
October 6, 2011 | 2,726 | $ | 1.02 | (3) | |||||
MPM AM |
October 6, 2011 | 887 | $ | 1.02 | (3) | |||||
BV III QP |
October 7, 2011 | 227,889 | $ | 1.03 | (4) | |||||
BV III |
October 7, 2011 | 15,323 | $ | 1.03 | (4) | |||||
BV III PF |
October 7, 2011 | 6,882 | $ | 1.03 | (4) | |||||
BV III KG |
October 7, 2011 | 19,259 | $ | 1.03 | (4) | |||||
AM LLC |
October 7, 2011 | 4,412 | $ | 1.03 | (4) | |||||
MPM AM |
October 7, 2011 | 1,435 | $ | 1.03 | (4) | |||||
BV III QP |
October 10, 2011 | 190,459 | $ | 1.03 | (4) | |||||
BV III |
October 10, 2011 | 12,806 | $ | 1.03 | (4) | |||||
BV III PF |
October 10, 2011 | 5,752 | $ | 1.03 | (4) | |||||
BV III KG |
October 10, 2011 | 16,096 | $ | 1.03 | (4) | |||||
AM LLC |
October 10, 2011 | 3,688 | $ | 1.03 | (4) | |||||
MPM AM |
October 10, 2011 | 1,199 | $ | 1.03 | (4) |
(1) | Represents the weighted average sales price for the price increments ranging from
$1.07 to $1.16. |
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(2) | Represents the weighted average sales price for the price increments ranging from
$1.01 to $1.13. |
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(3) | Represents the weighted average sales price for the price increments ranging from
$1.02 to $1.03. |
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(4) | Represents the weighted average sales price for the price increments ranging from
$1.02 to $1.06. |
MPM BIOVENTURES III, L.P. | MPM BIOVENTURES III-QP, L.P. | |||||||||
By:
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MPM BioVentures III GP, L.P., its General Partner |
By: | MPM BioVentures III GP, L.P., its General Partner |
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By:
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MPM BioVentures III LLC, its General Partner |
By: | MPM BioVentures III LLC, its General Partner |
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By:
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/s/ Luke Evnin | By: | /s/ Luke Evnin | |||||||
Title: Series A Member | Title: Series A Member | |||||||||
MPM BIOVENTURES III PARALLEL FUND, L.P. | MPM BIOVENTURES III GMBH & CO. BETEILIGUNGS KG | |||||||||
By:
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MPM BioVentures III GP, L.P., its General Partner |
By: | MPM BioVentures III GP, L.P., in its capacity as the Managing Limited Partner |
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By:
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MPM BioVentures III LLC, its General Partner |
By: | MPM BioVentures III LLC, its General Partner |
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By:
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/s/ Luke Evnin | |||||||||
Name: Luke Evnin | By: | /s/ Luke Evnin
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Title: Series A Member | Name: Luke Evnin | |||||||||
Title: Series A Member | ||||||||||
MPM ASSET MANAGEMENT INVESTORS 2003 BVIII LLC |
MPM BIOVENTURES III GP, L.P. | |||||||||
By: | MPM BioVentures III LLC, its General Partner |
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By:
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/s/ Luke Evnin
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Title: Manager | By: | /s/ Luke Evnin
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Title: Series A Member | ||||||||||
MPM BIOVENTURES III LLC | MPM ASSET MANAGEMENT LLC | |||||||||
By:
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/s/ Luke Evnin
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By: | /s/ Luke Evnin
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Title: Series A Member | Title: Member | |||||||||
/s/ Luke Evnin | /s/ Ansbert Gadicke | |||||||||
Luke Evnin | Ansbert Gadicke | |||||||||
/s/ Nicholas Galakatos | /s/ Michael Steinmetz | |||||||||
Nicholas Galakatos | Michael Steinmetz |
/s/ Kurt Wheeler | /s/ Nicholas Simon III | |||||||||
Kurt Wheeler | Nicholas Simon III | |||||||||
/s/ Dennis Henner | ||||||||||
Dennis Henner |
MPM BIOVENTURES III, L.P. | MPM BIOVENTURES III-QP, L.P. | |||||||||
By:
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MPM BioVentures III GP, L.P., its General Partner |
By: | MPM BioVentures III GP, L.P., its General Partner |
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By:
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MPM BioVentures III LLC, its General Partner |
By: | MPM BioVentures III LLC, its General Partner |
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By:
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/s/ Luke Evnin
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By: | /s/ Luke Evnin
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Title: Series A Member | Title: Series A Member | |||||||||
MPM BIOVENTURES III PARALLEL FUND, L.P. | MPM BIOVENTURES III GMBH & CO. BETEILIGUNGS KG | |||||||||
By:
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MPM BioVentures III GP, L.P., its General Partner | By: | MPM BioVentures III GP, L.P., in its capacity as the Managing Limited Partner | |||||||
By:
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MPM BioVentures III LLC, its General Partner |
By: | MPM BioVentures III LLC, its General Partner |
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By:
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/s/ Luke Evnin
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Name: Luke Evnin | By: | /s/ Luke Evnin
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Title: Series A Member | Name: Luke Evnin | |||||||||
Title: Series A Member | ||||||||||
MPM ASSET MANAGEMENT INVESTORS 2003 BVIII LLC |
MPM BIOVENTURES III GP, L.P. | |||||||||
By: | MPM BioVentures III LLC, its General Partner |
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By:
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/s/ Luke Evnin
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Title: Manager | By: | /s/ Luke Evnin
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Title: Series A Member | ||||||||||
MPM BIOVENTURES III LLC | MPM ASSET MANAGEMENT LLC | |||||||||
By:
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/s/ Luke Evnin
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By: | /s/ Luke Evnin
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Title: Series A Member | Title: Member | |||||||||
/s/ Luke Evnin | /s/ Ansbert Gadicke | |||||||||
Luke Evnin | Ansbert Gadicke | |||||||||
/s/ Nicholas Galakatos | /s/ Michael Steinmetz | |||||||||
Nicholas Galakatos | Michael Steinmetz |
/s / Kurt Wheeler | /s/ Nicholas Simon III | |||||||||
Kurt Wheeler | Nicholas Simon III | |||||||||
/s/ Dennis Henner | ||||||||||
Dennis Henner |