On June 27, 2012, Synta Pharmaceuticals Corp. ("Synta") announced results from a planned interim analysis of the GALAXY trial, a randomized Phase 2b/3 study designed to evaluate the efficacy and safety of Synta's lead Hsp90 inhibitor, ganetespib, in combination with standard-of-care docetaxel vs. docetaxel alone as second-line treatment for advanced non-small cell lung cancer, and held a conference call to present the results. A copy of the presentation used on the conference call is furnished as Exhibit 99.1 to this Current Report on Form 8-K, and shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities under such Section 18, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act except as shall be expressly set forth by specific reference in such filing.

On June 27, 2012, Synta issued a press release announcing results from the planned interim analysis of the GALAXY trial described above. A copy of the press release is filed as Exhibit 99.2 to this Current Report on Form 8-K and is incorporated herein by reference.

(d) Exhibits.

Exhibit
Number                             Description

99.1      GALAXY Trial Interim Results Presentation, dated June 27, 2012

99.2      Press Release, dated June 27, 2012