IMARX THERAPEUTICS INC

Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2010-06-30

Quarterly Report for period ending 2010-03-31

Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2010-03-31

Annual Report for period ending 2009-12-31

Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2009-12-31

Annual Report for period ending 2008-12-31

Quarterly Report for period ending 2009-03-31

Quarterly Report for period ending 2009-06-30

Quarterly Report for period ending 2009-09-30

Quarterly Report for period ending 2009-09-30

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Notice of termination of registration of a class of securities under Section 12(b)

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities

Notice of Effectiveness

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

None

Form for the registration / listing of a class of securities on a national securities exchange pursuant to Section 12(b)

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Blackbridge Capital LLC: Major Shareholders

Scotti Donald James: Major Shareholders

Takats Joseph Richard: Major Shareholders

Scotti Donald James: Statement of changes in beneficial ownership of securities

Takats Joseph Richard: Statement of changes in beneficial ownership of securities

Sylvan Edward: Initial statement of beneficial ownership of securities

Sylvan Terry: Initial statement of beneficial ownership of securities

Doban Michael: Initial statement of beneficial ownership of securities

Takats Joseph Richard: Initial statement of beneficial ownership of securities

Scotti Donald James: Initial statement of beneficial ownership of securities

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Prospectus filed pursuant to Rule 424(b)(1)

General form of registration statement for all companies including face-amount certificate companies

General form of registration statement for all companies including face-amount certificate companies

Filing under Securities Act Rules 163/433 of free writing prospectuses

General form of registration statement for all companies including face-amount certificate companies

General form of registration statement for all companies including face-amount certificate companies

General form of registration statement for all companies including face-amount certificate companies

General form of registration statement for all companies including face-amount certificate companies

Registration Withdrawal Request

Definitive proxy statements

Preliminary proxy statement not related to a contested matter or merger/acquisition

Definitive proxy statement relating to a merger, acquisition, or disposition

Preliminary proxy statement relating to a merger, acquisition, or disposition

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements