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):  February 20, 2013

Astrotech Corporation

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code:

(512) 485-9530

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:

o  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01.

Other Events.

On February 20, 2013, a shareholder derivative lawsuit was filed in the District Court of Travis County, Texas against the current directors and chief executive officer of Astrotech Corporation (the “Company”) and against the Company, as nominal defendant. The complaint alleges, among other things, that the directors and chief executive officer breached fiduciary duties to the Company in connection with certain corporate transactions, including loans to subsidiaries and purchases of outstanding shares of the Company’s common stock. The Company intends to vigorously defend the lawsuit.

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.