ATLANTIC DATA SERVICES INC

Q: Jun 30 2003

FY: Mar 31 2003

Q: Dec 31 2002

Q: Sep 30 2002

Q: Jun 30 2002

FY: Mar 31 2002

Q: Dec 31 2001

Q: Sep 30 2001

Q: Jun 1 2001

FY: Mar 31 2001

Q: Dec 31 2000

Q: Sep 30 2000

Q: Jun 30 2000

FY: Mar 31 2000

Q: Dec 31 1999

Q: Sep 30 1999

Q: Jun 30 1999

FY: Mar 31 1999

Q: Dec 31 1998

Q: Sep 30 1998

Other events

FILED AS OF DATE: 20030731

5,7

7,9

2,7

2,7

2,7

4,7

Certification of termination of registration of a class of securities (Section 12(g))

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

No description available

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

No description available

No description available

No description available

No description available

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

MCCARTHY THOMAS P

HOWE ROBERT W

GENERAL ATLANTIC PARTNERS II L P

CAHILL PETER A

RAYMOND GEORGE F

MCGRATH PAUL K

DRISCOLL RICHARD D

GOLZ ERIK C

HOWE ROBERT W

GALLAGHER WILLIAM H

KENNEDY LEE M

NAAR ISAAC H

GENERAL ATLANTIC PARTNERS II L P

HODGSON DAVID C

GENERAL ATLANTIC PARTNERS LLC

GAP COINVESTMENT PARTNERS L P

ATLANTIC DATA SERVICES INC

ATLANTIC DATA SERVICES INC

ATLANTIC DATA SERVICES INC

ATLANTIC DATA SERVICES INC