INTERNATIONAL TELECOMMUNICATION DATA SYSTEMS INC

Q: Sep 30 1999

Q: Jun 30 1999

Q: Mar 31 1999

FY: Dec 31 1998

Q: Sep 30 1998

Q: Jun 30 1998

Q: Mar 31 1998

FY: Dec 31 1997

FY: Dec 31 1997

Q: Sep 30 1997

Q: Sep 30 1997

Q: Aug 7 1997

Q: Mar 31 1997

FY: Dec 31 1996

Q: Sep 30 1996

5

7

2,7

No description available

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

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

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

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Post Effective Amendment to S-8

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

Prospectus Supplement with Pricing Information

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

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

Amended Initial Registration Statement

No description available

Amended Initial Registration Statement

Amended Initial Registration Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

DRESDNER BANK AG /FI

DRESDNER RCM GLOBAL INVESTORS LLC

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

DRESDNER RCM GLOBAL INVESTORS LLC

DRESDNER BANK AG /FI

DRESDNER RCM GLOBAL INVESTORS LLC

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

SPITZER MARK D

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

ESSEX INVESTMENT MANAGEMENT CO INC

WELLS ANNE L