Synta Pharmaceuticals Corp.
|
(Name of Issuer)
|
Common Stock
|
(Title of Class of Securities)
|
87162T206
|
(CUSIP Number)
|
Mr. Heath N. Weisberg
Caxton Corporation
731 Alexander Road, Bldg. 2
Princeton, New Jersey 08540
(609) 919-7608
|
(Name, Address and Telephone Number of Person Authorized to
Receive Notices and Communications)
|
06/07/13, 06/10/13, 06/18/13, 6/19/13, 6/20/13,
06/21/13, 06/24/13, 06/25/13, 06/26/13 and 06/27/13
|
(Date of Event which Requires Filing of this Statement)
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
CxSynta LLC
02-0604347
|
(2)
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(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:
|
|
7,761,716
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
11.2%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Caxton Corporation
22-2437619
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(3)
|
SEC USE ONLY
|
|
(4)
|
SOURCE OF FUNDS (SEE INSTRUCTIONS).
|
|
AF
|
(5)
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 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:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
11,961,519 |
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
17.3%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
CO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2011-A Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
125,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
125,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
125,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.2%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2011-B Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
125,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
125,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
125,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.2%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2011-C Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
125,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
125,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
125,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.2%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2011-D Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
125,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
125,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
125,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.2%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2012-A Synta Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
475,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
475,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
475,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.7%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2012-B Synta Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
475,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
475,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
475,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.7%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2012-C Synta Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
475,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
475,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
475,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.7%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2012-D Synta Investment Trust
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
475,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
475,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
475,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.7%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner 2012 Family Trust B
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
New York
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
0
|
(8)
|
SHARED VOTING POWER:
|
|
3,100,000
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
3,100,000
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
3,100,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
4.5%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Ben-Ur, David
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(3)
|
SEC USE ONLY
|
|
(4)
|
SOURCE OF FUNDS (SEE INSTRUCTIONS).
|
|
PF
|
(5)
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
United States
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
6,200
|
(8)
|
SHARED VOTING POWER:
|
|
0
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
6,200
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
0
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
6,200
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.0%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
IN
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Krishnamurthy, Arvind
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(3)
|
SEC USE ONLY
|
|
(4)
|
SOURCE OF FUNDS (SEE INSTRUCTIONS).
|
|
PF
|
(5)
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
United States
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
5,000
|
(8)
|
SHARED VOTING POWER:
|
|
0
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
5,000
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
0
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
5,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.0%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
IN
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Shteinbuk, Yuriy
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(3)
|
SEC USE ONLY
|
|
(4)
|
SOURCE OF FUNDS (SEE INSTRUCTIONS).
|
|
PF
|
(5)
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
United States
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
3,000
|
(8)
|
SHARED VOTING POWER:
|
|
0
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
3,000
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
0
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
3,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.0%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
IN
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Weisberg, Heath
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(3)
|
SEC USE ONLY
|
|
(4)
|
SOURCE OF FUNDS (SEE INSTRUCTIONS).
|
|
PF
|
(5)
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
United States
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
3,000
|
(8)
|
SHARED VOTING POWER:
|
|
0
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
3,000
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
0
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
3,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.0%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
IN
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Wolfe, Jason
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(3)
|
SEC USE ONLY
|
|
(4)
|
SOURCE OF FUNDS (SEE INSTRUCTIONS).
|
|
PF
|
(5)
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
United States
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
4,000
|
(8)
|
SHARED VOTING POWER:
|
|
0
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
4,000
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
0
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
4,000
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
0.0%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
IN
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
KFO HOLDINGS LLC
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(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)
|
[_]
|
(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:
|
|
4,199,803
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
0
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
4,199,803
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
4,199,803
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
6.1%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
OO
|
(1)
|
NAMES OF REPORTING PERSONS
|
|
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
|
||
Kovner, Bruce
|
(2)
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
(a)
|
[_]
|
(b)
|
[X]
|
(3)
|
SEC USE ONLY
|
|
(4)
|
SOURCE OF FUNDS (SEE INSTRUCTIONS).
|
|
AF,PF
|
(5)
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
|
[_]
|
(6)
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
|
United States
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
(7)
|
SOLE VOTING POWER:
|
|
6,202,330
|
(8)
|
SHARED VOTING POWER:
|
|
17,461,519
|
(9)
|
SOLE DISPOSITIVE POWER:
|
|
6,202,330
|
(10)
|
SHARED DISPOSITIVE POWER:
|
|
17,461,519
|
(11)
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON. | |
23,663,849
|
(12)
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS).
|
[_]
|
|
(13)
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11).
|
|
34.2%
|
(14)
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS).
|
|
IN
|
(a)
|
(i) CxSynta LLC beneficially owns 7,761,716 shares of Common Stock, representing approximately 11.2% of the 69,133,471 shares of Common Stock reported to be outstanding in the Company's 10-Q filed with the Securities and Exchange Commission on April 30, 2013. The percentages used herein and in the rest of this Amendment No. 9 are calculated based upon such number of outstanding shares.
|
(b)
|
Caxton Corporation and Mr. Kovner, as Chairman and sole shareholder of Caxton Corporation, the managing member of CxSynta LLC and the manager of KFO Holdings LLC, may be deemed to share voting and dispositive power over 7,761,716 shares of Common Stock owned directly by CxSynta LLC and over 4,199,803 shares of Common Stock owned directly by KFO Holdings LLC. Mr. Kovner may be deemed to share voting and dispositive power with respect to the aggregate 5,500,000 shares of Common Stock held by the following trusts: Kovner 2011-A Investment Trust, Kovner 2011-B Investment Trust, Kovner 2011-C Investment Trust, Kovner 2011-D Investment Trust, Kovner 2012-A Synta Investment Trust, Kovner 2012-B Synta Investment Trust, Kovner 2012-C Synta Investment Trust, Kovner 2012-D Synta Investment Trust and Kovner 2012 Family Trust B. Mr. Ben-Ur has sole voting and dispositive power over the 6,200 shares of Common Stock owned directly by him. Mr. Krishnamurthy has sole voting and dispositive power over the 5,000 shares of Common Stock owned directly by him. Mr. Shteinbuk has sole voting and dispositive power over the 3,000 shares of Common Stock owned directly by him. Mr. Weisberg has sole voting and dispositive power over the 3,000 shares of Common Stock owned directly by him. Mr. Wolfe has sole voting and dispositive power over the 4,000 shares of Common Stock owned directly by him. In addition, Mr. Kovner has sole voting and dispositive power with respect to the 6,202,330 shares of Common Stock (which includes the options thereon) that he directly beneficially owns.
|
(c)
|
On June 7, 2013, David Ben-Ur purchased 1,000 shares of Common Stock at an average price of $4.54 per share. On June 7, 2013, Jason Wolfe purchased 2,000 shares of Common Stock at an average price of $4.46 per share. On June 7, 2013, Heath Weisberg purchased 2,000 shares of Common Stock at an average price of $4.48 per share. On June 7, 2013, Yuriy Shteinbuk purchased 1,000 shares of Common Stock at an average price of $4.60 per share. On June 10, 2013, Arvind Krishnamurthy purchased 2,500 shares of Common Stock at an average price of $4.50 per share. On June 18, 2013, Kovner 2012 Family Trust B purchased 200,000 shares of Common Stock at an average price of $4.00 per share. On June 19, 2013, Jason Wolfe purchased 2,000 shares of Common Stock at an average price of $3.95 per share. On June 19, 2013, Yuriy Shteinbuk purchased 500 shares of Common Stock at an average price of $3.98 per share. On June 20, 2013, Heath Weisberg purchased 1,000 shares of Common Stock at an average price of $3.86 per share. On June 21, 2013, Kovner 2012
|
|
Family Trust B purchased 50,000 shares of Common Stock at an average price of $4.23 per share. On June 24, 2013, Kovner 2012 Family Trust B purchased 200,000 shares of Common Stock at an average price of $4.43 per share. On June 25, 2013, Kovner 2012 Family Trust B purchased 200,000 shares of Common Stock at an average price of $4.35 per share. On June 26, 2013, Kovner 2012 Family Trust B purchased 300,000 shares of Common Stock at an average price of $4.65 per share. On June 27, 2013, Kovner 2012 Family Trust B purchased 150,000 shares of Common Stock at an average price of $4.71 per share.
|
Date: 06/28/2013
|
CxSynta LLC
|
By: Caxton Corporation,
|
|
Managing Member of CxSynta LLC
/s/ Heath N. Weisberg, Chief Compliance Officer
|
Date: 06/28/2013
|
Caxton Corporation
|
/s/ Heath N. Weisberg, Chief Compliance Officer
|
|
Date: 06/28/2013
|
Kovner 2011-A Investment Trust
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
Kovner 2011-B Investment Trust
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
Kovner 2011-C Investment Trust
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
Kovner 2011-D Investment Trust
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
Kovner 2012-A Synta Investment Trust
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
Kovner 2012-B Synta Investment Trust
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
Kovner 2012-C Synta Investment Trust
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
Date: 06/28/2013
|
Kovner 2012-D Synta Investment Trust
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
Kovner 2012 Family Trust B
|
/s/ Karen Cross, Vice President, Treasurer of Cadence Trust Company
|
|
Date: 06/28/2013
|
David Ben-Ur
|
/s/David Ben-Ur
|
|
Date: 06/28/2013
|
Arvind Krishnamurhty
|
/s/Arvind Krishnamurthy
|
|
Date: 06/28/2013
|
Yuriy Shteinbuk
|
/s/Yuriy Shteinbuk
|
|
Date: 06/28/2013
|
Heath N. Weisberg
|
/s/Heath N. Weisberg
|
|
Date: 06/28/2013
|
Jason Wolfe
|
/s/Jason Wolfe
|
|
Date: 06/28/2013
|
KFO Holdings LLC
|
By Caxton Corporation, Manager
|
|
of KFO Holdings LLC
|
|
/s/Heath N. Weisberg, Chief Compliance Officer
|
|
Date: 06/28/2013
|
Bruce S. Kovner
|
/s/Heath N. Weisberg, as attorney in fact for Bruce Kovner
|
|