MCK COMMUNICATIONS INC

Q: Jul 31 2003

FY: Apr 30 2003

Q: Jan 31 2003

Q: Oct 31 2002

Q: Jul 31 2002

FY: Apr 30 2002

FY: Apr 30 2002

Q: Jan 31 2002

Q: Oct 31 2001

Q: Jul 31 2001

Q: Jan 31 2001

Q: Oct 31 2000

Q: Oct 31 2001

Q: Jul 31 2001

FY: Apr 30 2001

FY: Apr 30 2001

Q: Jan 31 2001

Q: Oct 31 2000

Q: Jul 31 2000

FY: Apr 30 2000

12,7

7,9

5,7

5,7

5,7

5,7

9

5,7

5,7

2

2,7

2,7

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

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

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

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

Amended Initial Registration Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

033 ASSET MANAGEMENT LLC /

DOYLE ANN

NOLETTE THOMAS

SEVERINO PAUL J

LANDRY JOHN

LEVINE ALAN B

CURLEY PATRICK

HOULIHAN ELIZABETH

033 ASSET MANAGEMENT LLC /

033 ASSET MANAGEMENT LLC /

033 ASSET MANAGEMENT LLC /

033 ASSET MANAGEMENT LLC /

SUMMIT VENTURES IV LP

033 ASSET MANAGEMENT LLC /

033 ASSET MANAGEMENT LLC /

PUTNAM INVESTMENTS INC

033 ASSET MANAGEMENT LLC /

PUTNAM INVESTMENTS INC

SUMMIT VENTURES IV LP

PUTNAM INVESTMENTS INC