Mast Therapeutics, Inc. (Form: 8-K)  

 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

     
Date of Report (Date of Earliest Event Reported):   May 15, 2013

Mast Therapeutics, Inc.
__________________________________________
(Exact name of registrant as specified in its charter)

     
Delaware 001-32157 84-1318182
_____________________
(State or other jurisdiction 		_____________
(Commission 		______________
(I.R.S. Employer
of incorporation) File Number) Identification No.)
      
12390 El Camino Real, Suite 150, San Diego, California   92130
_________________________________
(Address of principal executive offices) 		  ___________
(Zip Code)
     
Registrant’s telephone number, including area code:   858-552-0866

Not Applicable
______________________________________________
Former name or former address, if changed since last report

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Top of the Form

Item 2.02 Results of Operations and Financial Condition.

On May 15, 2013, Mast Therapeutics, Inc. issued a press release announcing its financial results for the three months ended March 31, 2013. A copy of the press release is furnished as Exhibit 99.1 hereto.





Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

The list of exhibits called for by this Item is incorporated by reference to the Exhibit Index filed with this report.





The information set forth under Item 2.02 and in Exhibit 99.1 is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934 and is not to be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in any such filing.

Top of the Form

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

         
    Mast Therapeutics, Inc.
          
May 15, 2013   By:   /s/ Patrick L. Keran
       
        Name: Patrick L. Keran
        Title: President and Chief Operating Officer

Top of the Form

Exhibit Index


     
Exhibit No.   Description
 
99.1
  Press release, dated May 15, 2013