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):  August 5, 2008

 

thinkorswim Group Inc.

 (Exact Name of registrant as specified in its charter)

 

Delaware

 

000-52012

 

76-0685039

(State or other jurisdiction

 of incorporation)

 

(Commission

 File Number)

 

(IRS Employer

 Identification No.)

 

 

 

 

 

45 Rockefeller Plaza, Suite 2012, New York, NY

 

10111

(Address of principal executive offices)

 

(Zip Code)

 

Registrant’s telephone number, including area code: (801) 816-6918

 

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

 

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))

 

 

 


Table of Contents

 

8-K

 

 

Item 8.01

Other Events

 

Signatures

 

 

 

2


 

Item 8.01 Other Events.

 

On August 5, 2008, Lee K. Barba, Chairman and CEO of thinkorswim Group Inc. (the “Company”), exercised 550,000 options that were granted to him on August 28, 2002 and had an expiration date of August 28, 2008. The options had an exercise price of $0.18. In addition, Mr. Barba sold approximately 350,000 shares of the Company’s stock he already owned in order to generate cash flow for tax payments immediately payable related to the option exercise.   Mr. Barba continues to beneficially own approximately 3.7 million shares, including shares underlying options, or 5.5 percent of the shares outstanding.

 

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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.

 

Date: August 6, 2008

 

thinkorswim Group Inc.

 

 

 

 

 

 

By:

/s/ Ida K. Kane

 

 

 

Ida K. Kane

 

 

 

Senior Vice President and

 

 

 

Chief Financial Officer

 

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