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 313, 2012

Penson Worldwide, Inc.

(Exact Name of Registrant as Specified in Charter)

Delaware

001-32878

75-2896356

(State or Other Jurisdiction

of Incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

1700 Pacific Avenue, Suite 1400

Dallas, Texas 75201

(Address of Principal Executive Offices)

Registrant’s telephone number, including area code: (214) 765-1100

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 (see General Instruction A.2. below):

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8 5.0102 ~~Other~~Departure ~~Events~~of Directors or Certain Officers, Election of Directors; Appointment of Certain Officers; Compensatory Arrangement for Certain Officers.

AsOn ~~previously announced by Penson Worldwide~~August 13, ~~Inc. (the “Company”)~~2012, ~~Penson~~Andrew ~~Financial~~Koslow ~~Services,~~tendered ~~Inc.~~his ~~(“PFSI”),~~resignation aas ~~subsidiary of the Company~~Secretary, Executive ~~recently~~Vice ~~completed~~President ~~certain~~and ~~strategic~~General ~~transactions~~Counsel ~~with~~of ~~Knight~~Penson ~~Execution &~~Worldwide, ~~Clearing~~Inc. ~~Services~~(the ~~LLC~~“Company”) and ~~Apex Clearing~~from ~~Corporation~~all ~~that~~positions ~~resulted~~with ~~in a significant refocus of~~ the Company’s ~~business,~~and/or ~~including~~its subsidiaries, ~~among~~effective ~~other~~as ~~things,~~of the ~~cessation~~end of ~~PFSI as a clearing broker-dealer in~~ the ~~United~~day ~~States. Accordingly,~~ on August 317, 2012,. ~~PFSI~~Mr. Koslow ~~filed~~resigned ~~a Form~~to ~~BDW~~take ~~(Uniform~~a ~~Request~~position ~~for~~at ~~Broker-Dealer~~another ~~Withdrawal)~~company. ~~with~~The ~~the~~Company ~~Securities~~has ~~and~~no ~~Exchange~~current ~~Commission~~plans ~~(the “SEC”) and Financial Industry Regulatory Authority (“FINRA”)~~ to ~~voluntarily~~fill ~~withdraw its registration with~~ the ~~SEC~~role ~~as a broker-dealer and to resign as a member~~ of ~~the~~General ~~FINRA.~~Counsel ~~Such withdrawal request is subject to the approval and acceptance~~ of the ~~SEC~~Company ~~and~~at ~~FINRA,~~this ~~which are pending~~time.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Penson Worldwide, Inc.	~~Penson Worldwide, Inc.~~
Date: August 8, 2012		By:	/s/ Daniel P. Son
Date: August 14, 2012	By:	/s/ Daniel P. Son
		Daniel P. Son	~~Daniel P. Son~~
		Chief Executive Officer	~~Chief Executive Officer~~

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