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 14, 2004

MANUGISTICS GROUP, INC.

(Exact name of registrant as specified in its charter)

Delaware

_______________________________
(State or other jurisdiction of incorporation)

9715 Key West Avenue
Rockville, Maryland 20850

________________________________
(Address of principal executive offices)

Registrant’s telephone number, including area code:

(301) 255-5000

_______________________

Item 9. Regulation FD Disclosure.

On April 14, 2004, Manugistics Group, Inc. (the “Company”) announced via press release the Company’s strategic alliance with IBM. A copy of the Company’s press release is attached hereto as Exhibit 99.1. This Form 8-K, the information contained herein, and the attached exhibit are furnished under Item 9 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission. The information contained herein and in the accompanying exhibit shall not be incorporated by reference to any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference to such filing.

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.

EXHIBIT INDEX