SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
ROSENWALD LINDSAY A MD

(Last) (First) (Middle)
787 SEVENTH AVENUE,
48TH FLOOR

(Street)
NEW YORK, NY 10019

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
09/13/2005
3. Issuer Name and Ticker or Trading Symbol
ZIOPHARM ONCOLOGY INC [ ESWB ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 476,678 D
Common Stock 737,777 I Owned by individuals and pledged to Lindsay A. Rosenwald, M.D. to secure certain obligations(1)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Warrants 05/31/2005 05/31/2012 Common Stock 221,011 4.75 D
Warrants 12/23/2004 12/23/2011 Common Stock 62,621 4.75 I Owned by Paramount Biocapital Investments, LLC(2)
Explanation of Responses:
1. These Shares are held by certain individuals and pledged to Dr. Rosenwald pursuant to pledge agreements to secure certain obligations. Dr. Rosenwald disclaims beneficial ownership of these Shares, except to the extent of his pecuniary interest therein, if any.
2. These Warrants are held by Paramount Biocapital Investments, LLC, of which Dr. Rosenwald is managing member. Dr. Rosenwald disclaims beneficial ownership of these Warrants, except to the extent of his pecuniary interest therein, if any.
/s/ Lindsay A. Rosenwald, M.D. 09/22/2005
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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