The
Company's common stock was listed on the OTC Bulletin
Board of the NASD from 1994 through 1999 under the
symbol TNGO. On December 10, 1999, the American Stock Exchange
("AMEX") approved the application of the Company to have its common
stock on the AMEX commenced on December 21, 1999 under the symbol TGC.
To view the Company's SEC filings, including recent forms 10-K,
8-K and 10-Q click
here
Click here to view only SEC filings related to insider transactions
(Section 16 filings) |
