Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  STRICKLAND JAMES M
2. Date of Event Requiring Statement (Month/Day/Year)
07/25/2007
3. Issuer Name and Ticker or Trading Symbol
IMARX THERAPEUTICS INC [IMRX]
(Last)
(First)
(Middle)
C/O IMARX THERAPEUTICS, INC., 1635 EAST 18TH STREET
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
07/25/2007
(Street)

TUCSON, AZ 85719
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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 2,000
D
 
Common Stock 21,890
I
Coronado Venture Fund IV, L.P. (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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
Stock Option (Right to Buy)   (2) 08/02/2014 Common Stock 11,000 $ 15 D  
Series A Preferred Stock   (3)   (4) Common Stock 57,205 (5) $ (5) I Coronado Venture Fund IV, L.P. (1)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
STRICKLAND JAMES M
C/O IMARX THERAPEUTICS, INC.
1635 EAST 18TH STREET
TUCSON, AZ 85719
  X      

Signatures

James M. Strickland 07/30/2007
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The reporting person is the managing partner of the sole general partner of Coronado Venture Fund IV, LP and may be deemed to have voting and dispositive powers over the shares. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
(2) The option vests in four (4) equal installments on August 2, 2005, 2006, 2007 and 2008, and may be exercised prior to vesting, subject to certain rights of repurchase by the Issuer.
(3) These shares of Preferred Stock will automatically convert into shares of Common Stock upon the closing of the Issuer's initial public offering.
(4) Not applicable.
(5) These shares of Preferred Stock will automatically convert into Common Stock upon the closing of the Issuer's initial public offering, and reflect a 2.75/2.63 conversion ratio, as adjusted to reflect a 6-for-10 and subsequent 1-for-3 reverse stock split.

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