UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

Amendment #1

(Mark One)

For the quarterly period ended September 30, 2012

OR

For the transition period from                  to

Commission file number 001-33117

GLOBALSTAR, INC.

(Exact Name of Registrant as Specified in Its Charter)

300 Holiday Square Blvd.

Covington, Louisiana 70433

(Address of principal executive offices and zip code)

(985) 335-1500

Registrant’s telephone number, including area code

Indicate by check mark if the Registrant is a well-known seasoned issuer as defined in Rule 405 of the Securities Act. Yes ¨ No x

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ¨No x

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No x

As of October 26, 2012, 305,985,723 shares of voting common stock and 127,105,723 shares of nonvoting common stock were outstanding. Unless the context otherwise requires, references to common stock in this Report mean Registrant’s voting common stock. 

EXPLANATORY NOTE

This Amendment No. 1 on Form 10-Q/A (the “Amendment”) amends our Form 10-Q for the quarter ended September 30, 2012, which was originally filed on November 14, 2012 (the “Original 10-Q”). We are filing this Amendment as required by comments received from the Commission Staff relating to its review of our confidential treatment request filed with the Original 10-Q. The Amendment involves no material information or changes to the Original 10-Q. It is being filed solely to re-file Exhibits 10.3 and 10.4 to the Original 10-Q. Consistent with this change, Item 6 of Part II and new Exhibit 31.1 are being filed, as required by the Commission regulations.

Except as set forth above, the Original 10-Q is not amended, updated, or otherwise modified. This Amendment does not reflect events occurring after November 14, 2012, the date of the Original 10-Q, or modify or update those disclosures that may have been affected by subsequent events.

Item 6. Exhibits

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.