Delaware
|
001-33038
|
84-1475642
|
||
(State
or Other Jurisdiction
of
Incorporation)
|
(Commission
File Number)
|
(IRS
Employer
Identification
No.)
|
1180
Avenue of the Americas
19th
Floor
New
York, NY
|
10036
|
|
(Address
of Principal Executive Offices)
|
(Zip
Code)
|
o
|
Written
communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425).
|
o
|
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12).
|
o
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR 240.14d-2(b)).
|
o
|
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act
(17 CFR
240.13e-4(c)).
|
Entry
into a Material Definitive
Agreement.
|
Financial
Statements and Exhibits.
|
(d)
|
Exhibits
|
Exhibit No.
|
Description
|
|
1.1
|
Underwriting
Agreement dated May 27, 2010 between ZIOPHARM Oncology, Inc. and Jefferies
& Company, Inc., as representative of the several underwriters named
therein
|
|
5.1
|
Opinion
of Maslon Edelman Borman & Brand, LLP
|
|
23.1
|
Consent
of Maslon Edelman Borman & Brand, LLP (included as part of
Exhibit 5.1)
|
|
99.1
|
Press
Release, dated May 26, 2010
|
|
99.2
|
Press
Release, dated May 27,
2010
|
Exhibit No.
|
Description
|
|
1.1
|
Underwriting
Agreement dated May 27, 2010 between ZIOPHARM Oncology, Inc. and Jefferies
& Company, Inc., as representative of the several underwriters named
therein
|
|
5.1
|
Opinion
of Maslon Edelman Borman & Brand, LLP
|
|
99.1
|
Press
Release, dated May 26, 2010
|
|
99.2
|
Press
Release, dated May 27,
2010
|