o
|
Rule 13d-1(b)
|
x
|
Rule 13d-1(c)
|
o
|
Rule 13d-1(d)
|
CUSIP No. 888314101
|
13G
|
Page 2 of 14 Pages
|
1.
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Deerfield Mgmt, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) o
(b) x
|
|
3.
|
SEC USE ONLY
|
||
4.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER OF
SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5.
|
SOLE VOTING POWER
0
|
|
6.
|
SHARED VOTING POWER
6,588,234 (1)
|
||
7.
|
SOLE DISPOSITIVE POWER
0
|
||
8.
|
SHARED DISPOSITIVE POWER
6,588,234 (1)
|
||
9.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,588,234 (1)
|
||
10.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|
¨
|
|
11.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
8.05%
|
||
12.
|
TYPE OF REPORTING PERSON*
PN
|
CUSIP No. 888314101
|
13G
|
Page 3 of 14 Pages
|
1.
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Deerfield Management Company, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) o
(b) x
|
|
3.
|
SEC USE ONLY
|
||
4.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER OF
SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5.
|
SOLE VOTING POWER
0
|
|
6.
|
SHARED VOTING POWER
6,588,234 (2)
|
||
7.
|
SOLE DISPOSITIVE POWER
0
|
||
8.
|
SHARED DISPOSITIVE POWER
6,588,234 (2)
|
||
9.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,588,234 (2)
|
||
10.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|
¨
|
|
11.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
8.05%
|
||
12.
|
TYPE OF REPORTING PERSON*
PN
|
CUSIP No. 888314101
|
13G
|
Page 4 of 14 Pages
|
1.
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Deerfield Special Situations Fund, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) o
(b) x
|
|
3.
|
SEC USE ONLY
|
||
4.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER OF
SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5.
|
SOLE VOTING POWER
0
|
|
6.
|
SHARED VOTING POWER
513,882 (3)
|
||
7.
|
SOLE DISPOSITIVE POWER
0
|
||
8.
|
SHARED DISPOSITIVE POWER
513,882 (3)
|
||
9.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
513,882 (3)
|
||
10.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|
¨
|
|
11.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.68%
|
||
12.
|
TYPE OF REPORTING PERSON*
PN
|
CUSIP No. 888314101
|
13G
|
Page 5 of 14 Pages
|
1.
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Deerfield Special Situations International Master Fund, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) o
(b) x
|
|
3.
|
SEC USE ONLY
|
||
4.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
British Virgin Islands
|
||
NUMBER OF
SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5.
|
SOLE VOTING POWER
0
|
|
6.
|
SHARED VOTING POWER
803,764 (4)
|
||
7.
|
SOLE DISPOSITIVE POWER
0
|
||
8.
|
SHARED DISPOSITIVE POWER
803,764 (4)
|
||
9.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
803,764 (4)
|
||
10.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|
¨
|
|
11.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
1.06%
|
||
12.
|
TYPE OF REPORTING PERSON*
PN
|
CUSIP No. 888314101
|
13G
|
Page 6 of 14 Pages
|
1.
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Deerfield Private Design Fund II, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) o
(b) x
|
|
3.
|
SEC USE ONLY
|
||
4.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER OF
SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5.
|
SOLE VOTING POWER
0
|
|
6.
|
SHARED VOTING POWER
2,456,094 (5)
|
||
7.
|
SOLE DISPOSITIVE POWER
0
|
||
8.
|
SHARED DISPOSITIVE POWER
2,456,094 (5)
|
||
9.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,456,094 (5)
|
||
10.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|
¨
|
|
11.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
3.16%
|
||
12.
|
TYPE OF REPORTING PERSON*
PN
|
CUSIP No. 888314101
|
13G
|
Page 7 of 14 Pages
|
1.
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Deerfield Private Design International II, L.P.
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) o
(b) x
|
|
3.
|
SEC USE ONLY
|
||
4.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
British Virgin Islands
|
||
NUMBER OF
SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5.
|
SOLE VOTING POWER
0
|
|
6.
|
SHARED VOTING POWER
2,814,494 (6)
|
||
7.
|
SOLE DISPOSITIVE POWER
0
|
||
8.
|
SHARED DISPOSITIVE POWER
2,814,494 (6)
|
||
9.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,814,494 (6)
|
||
10.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|
¨
|
|
11.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
3.61%
|
||
12.
|
TYPE OF REPORTING PERSON*
PN
|
CUSIP No. 888314101
|
13G
|
Page 8 of 14 Pages
|
1.
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
James E. Flynn
|
||
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) o
(b) x
|
|
3.
|
SEC USE ONLY
|
||
4.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
||
NUMBER OF
SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5.
|
SOLE VOTING POWER
0
|
|
6.
|
SHARED VOTING POWER
6,588,234 (7)
|
||
7.
|
SOLE DISPOSITIVE POWER
0
|
||
8.
|
SHARED DISPOSITIVE POWER
6,588,234 (7)
|
||
9.
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,588,234 (7)
|
||
10.
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|
¨
|
|
11.
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
8.05%
|
||
12.
|
TYPE OF REPORTING PERSON*
IN
|
CUSIP No. 888314101
|
13G
|
Page 9 of 14 Pages
|
Item 1(a). | Name of Issuer: | |
Titan Pharmaceuticals, Inc.
|
||
Item 1(b). | Address of Issuer's Principal Executive Offices: | |
400 Oyster Point Blvd., Suite 505, South San Francisco, CA 94080
|
||
Item 2(a). | Name of Person Filing: | |
James E. Flynn, Deerfield Mgmt, L.P., Deerfield Management Company, L.P., Deerfield Special Situations Fund, L.P., Deerfield Special Situations International Master Fund, L.P., Deerfield Private Design Fund II, L.P., Deerfield Private Design International II, L.P.
|
||
Item 2(b). | Address of Principal Business Office, or if None, Residence: | |
780 Third Avenue, 37th Floor, New York, NY 10017
|
||
Item 2(c). | Citizenship: | |
Deerfield Mgmt, L.P., Deerfield Management Company, L.P., Deerfield Special Situations Fund, L.P., Deerfield Private Design Fund II, L.P. - Delaware limited partnerships
Deerfield Special Situations International Master Fund, L.P., Deerfield Private Design International II, L.P. – British Virgin Islands limited partnerships
|
||
Item 2(d). | Title of Class of Securities: | |
Common Stock
|
||
Item 2(e). | CUSIP Number: | |
888314101
|
||
Item 3. |
If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:
|
(a) | o |
Broker or dealer registered under Section 15 of the Exchange Act.
|
|
(b) | o |
Bank as defined in Section 3(a)(6) of the Exchange Act
|
|
(c) | o |
Insurance company as defined in Section 3(a)(19) of the Exchange Act.
|
|
(d) | o |
Investment company registered under Section 8 of the Investment Company Act.
|
|
(e) | o |
An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
|
CUSIP No. 888314101
|
13G
|
Page 10 of 14 Pages
|
(f) | o |
An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
|
(g) | o |
A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
|
(h) | o |
A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
|
(i) | o |
A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
|
|
(j) | o |
A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);
|
|
(k) | o |
Group, in accordance with Rule 13d-1(b)(1)(ii)(K).
|
Item 4. | Ownership. |
(a) |
Amount beneficially owned**:
|
||
Deerfield Mgmt, L.P. – 6,588,234 shares
Deerfield Management Company, L.P. – 6,588,234 shares
Deerfield Special Situations Fund, L.P. – 513,882 shares
Deerfield Special Situations International Master Fund, L.P. - 803,764 shares
Deerfield Private Design Fund II, L.P. – 2,456,094 shares
Deerfield Private Design International II, L.P. – 2,814,494 shares
James E. Flynn – 6,588,234 shares
|
|||
(b) |
Percent of class**:
|
||
Deerfield Mgmt, L.P. – 8.05%
Deerfield Management Company, L.P. – 8.05%
Deerfield Special Situations Fund, L.P. – 0.68%
Deerfield Special Situations International Master Fund, L.P. - 1.06%
Deerfield Private Design Fund II, L.P. – 3.16%
Deerfield Private Design International II, L.P. – 3.61%
James E. Flynn – 8.05%
|
(c) |
Number of shares as to which such person has**:
|
||||
(i) | Sole power to vote or to direct the vote |
All Reporting Persons - 0
|
|||
(ii) | Shared power to vote or to direct the vote |
Deerfield Mgmt, L.P. – 6,588,234
Deerfield Management Company, L.P. – 6,588,234
Deerfield Special Situations Fund, L.P. – 513,882
Deerfield Special Situations International Master Fund, L.P. – 803,764
Deerfield Private Design Fund II, L.P. – 2,456,094
Deerfield Private Design International II, L.P. – 2,814,494
James E. Flynn - 6,588,234
|
CUSIP No. 888314101
|
13G
|
Page 11 of 14 Pages
|
(iii) |
Sole power to dispose or to direct the disposition of
|
All Reporting Persons - 0
|
|||
(iv) |
Shared power to dispose or to direct the disposition of
|
Deerfield Mgmt, L.P. – 6,588,234
Deerfield Management Company, L.P. – 6,588,234
Deerfield Special Situations Fund, L.P. – 513,882
Deerfield Special Situations International Master Fund, L.P. – 803,764
Deerfield Private Design Fund II, L.P. – 2,456,094
Deerfield Private Design International II, L.P. – 2,814,494
James E. Flynn - 6,588,234
|
Item 5.
|
Ownership of Five Percent or Less of a Class.
|
|
|
Item 6.
|
Ownership of More Than Five Percent on Behalf of Another Person. |
|
N/A
|
Item 7.
|
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
|
N/A
|
CUSIP No. 888314101
|
13G
|
Page 12 of 14 Pages
|
Item 8.
|
Identification and Classification of Members of the Group. |
|
See Exhibit B
|
Item 9.
|
Notice of Dissolution of Group. |
|
N/A
|
Item 10.
|
Certifications. |
CUSIP No. 888314101
|
13G
|
Page 13 of 14 Pages
|
CUSIP No. 888314101
|
13G
|
Page 14 of 14 Pages
|