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EFFECTIVE AUGUST 23RD, 2004

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)  April 11, 2005

eSpeed, Inc.

(Exact name of registrant as specified in its charter)


Delaware 0-28191 13-4063515
(State of other jurisdiction (Commission (IRS Employer
of incorporation) File Number) Identification No.)

110 East 59th Street, New York, NY 10022

(Address of principal executive offices)

Registrant's telephone number, including area code  212-938-5000

N/A

(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 (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 8.01.    OPTIONAL OTHER EVENTS.

On April 11, 2005, eSpeed, Inc. announced the departure of Stephen Bookbinder, Senior Managing Director and Head of Sales.

ITEM 9.01.    FINANCIAL STATEMENTS AND EXHIBITS.

(c)   Exhibits.
99.1   eSpeed, Inc. press release dated April 11, 2005.

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.

eSpeed, Inc.
Date: April 11, 2005 By:  /s/Stephen M. Merkel  
Stephen M. Merkel
Executive Vice President and General Counsel