Attached files
file | filename |
---|---|
10-K - FORM 10-K - Oncternal Therapeutics, Inc. | c13747e10vk.htm |
EX-31.2 - EXHIBIT 31.2 - Oncternal Therapeutics, Inc. | c13747exv31w2.htm |
EX-31.1 - EXHIBIT 31.1 - Oncternal Therapeutics, Inc. | c13747exv31w1.htm |
EX-23.1 - EXHIBIT 23.1 - Oncternal Therapeutics, Inc. | c13747exv23w1.htm |
EX-32.2 - EXHIBIT 32.2 - Oncternal Therapeutics, Inc. | c13747exv32w2.htm |
EX-10.57 - EXHIBIT 10.57 - Oncternal Therapeutics, Inc. | c13747exv10w57.htm |
EXHIBIT 32.1
CERTIFICATION PURSUANT TO
18 U. S. C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
18 U. S. C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of GTx, Inc. (the Company) on Form 10-K for the year ended
December 31, 2010, as filed with the Securities and Exchange Commission on the date hereof (the
Report), I, Mitchell S. Steiner, Chief Executive Officer of the Company certify, pursuant to Rule
13a-14(b) or Rule 15d-14(b) and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:
1. | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934; and |
2. | The information contained in the Report fairly presents, in all material respects, the
financial condition and results of operations of the Company. |
Date: March 8, 2011
/s/ Mitchell S. Steiner |
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Chief Executive Officer and |
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Vice-Chairman of the Board of Directors |
This certification accompanies the Form 10-K to which it relates, is not deemed filed with the
Securities and Exchange Commission and is not to be incorporated by reference into any filing of
the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934
(whether made before or after the date of the Form 10-K), irrespective of any general incorporation
language contained in such filing.