<PAGE>
Rule 424(b)(3)
Registration No. 333-75677
GLOBALSTAR TELECOMMUNICATIONS LIMITED
PROSPECTUS SUPPLEMENT NO. 6 DATED SEPTEMBER 25, 2000
TO PROSPECTUS DATED APRIL 5, 1999
The Selling Holders table on pages 31 - 33 of the Prospectus is hereby
amended to update the information regarding the following entities and their
respective number of shares of Preferred Stock and Common Stock:
Number of Shares Number of Shares
of Preferred of Conversion
Selling Holders Stock Shares
--------------- ---------------- ----------------
Selling Holders
Donaldson, Lufkin & Jenrette Sec. Corp. 80,000 171,996
-------------------------------------------------
